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Candesartan
CAS No. 139481-59-7
C24H20N6O3 M.W. 440.47
C-011
Candesartan		 Candesartan Cilexetil Impurity D
CAS No. N/A
C33H34N6O6 M.W. 610.68
C-0110
Candesartan Cilexetil Impurity D
Candesartan Ethyl Ester
CAS No. N/A
C26H24N6O3 M.W. 468.52
C-0111
Candesartan Ethyl Ester		 N-Cilexetil Candesartan Ethyl Ester
CAS No. N/A
C35H38N6O6 M.W. 638.73
C-0112
N-Cilexetil Candesartan Ethyl Ester
N-Trityl Candesartan
CAS No. 139481-72-4
C43H34N6O3 M.W. 682.79
C-0113
N-Trityl Candesartan		 Candesartan-d4
CAS No. 139481-59-7(non-d)
C24H16D4N6O3 M.W. 444.49
C-012
Candesartan-d4
Candesartan N-glucuronide
C30H28N6O9 M.W. 616.59
C-013
Candesartan N-glucuronide		 Candesartan N2-glucuronide
C30H28N6O9 M.W. 616.59
C-014
Candesartan N2-glucuronide
Candesartan Cilexetil
CAS No. 145040-37-5
C33H34N6O6 M.W. 610.68
C-015
Candesartan Cilexetil		 Desethyl Candesartan Cilexetil
CAS No. 86963-11-8
C31H30N6O6 M.W. 582.62
C-016
Desethyl Candesartan Cilexetil
1-Ethyl-Candesartan Cilexetil
CAS No. 914613-35-7
C35H38N6O6 M.W. 638.73
C-017
1-Ethyl-Candesartan Cilexetil		 2-Ethyl-Candesartan Cilexetil
CAS No. 914613-36-8
C35H38N6O6 M.W. 638.73
C-018
2-Ethyl-Candesartan Cilexetil
Candesartan Cilexetil Impurity C
CAS No. N/A
C33H34N6O6 M.W. 610.68
C-019
Candesartan Cilexetil Impurity C		 Carvedilol
CAS No. 72956-09-3
C24H26N2O4 M.W. 406.49
C-021
Carvedilol
4'-Hydroxyphenyl Carvedilol-d5
C24H21N2O5D5 M.W. 427.52
C-0210
4		 4'-Hydroxyphenyl Carvedilol Sulfate
C24H26N2O8S M.W. 502.55
C-0211
4
Carvedilol glucuronide
C30H34N2O10 M.W. 582.61
C-0212
Carvedilol glucuronide		 Carvedilol Impurity A
CAS No. NA
C36H43N3O7 M.W. 629.76
C-0213
Carvedilol Impurity A
Carvedilol Impurity B
CAS No. NA
C39H39N3O6 M.W. 645.76
C-0214
Carvedilol Impurity B		 Carvedilol Impurity C
CAS No. NA
C31H32N2O4 M.W. 496.61
C-0215
Carvedilol Impurity C
N-[2-(2-Methoxyphenoxy)ethyl]benzyl amine
CAS No. 3246-03-5
C16H19NO2 M.W. 257.34
C-0216
N-[2-(2-Methoxyphenoxy)ethyl]benzyl amine		 4-(2,3-Epoxypropoxy)carbazole
CAS No. 51997-51-4
C15H13NO2 M.W. 239.28
C-0217
4-(2,3-Epoxypropoxy)carbazole
Carvedilol Impurity D
C39H39N3O6 M.W. 645.76
C-0218
Carvedilol Impurity D		 Carvedilol Bisalkylpyrocatechol derivative
CAS No. N/A
C40H42N4O6 M.W. 674.80
C-0219
Carvedilol Bisalkylpyrocatechol derivative
Carvedilol-d5
CAS No. 72956-09-03(non-d)
C24H21D5N2O4 M.W. 411.52
C-022
Carvedilol-d5		 3-Hydroxy Carvedilol
CAS No. 146574-43-8
C24H26N2O5 M.W. 422.49
C-0220
3-Hydroxy Carvedilol
Carvedilol Related Compound F
CAS No. 1246820-73-4
C24H30N2O4 M.W. 410.52
C-0221
Carvedilol Related Compound F		 O-Desmethyl carvedilol
CAS No. 72956-44-6
C23H24N2O4 M.W. 392.46
C-023
O-Desmethyl carvedilol
4'-Hydroxyphenyl Carvedilol
CAS No. 142227-49-4
C24H26N2O5 M.W. 422.49
C-024
4		 5'-Hydroxyphenyl carvedilol
CAS No. 142227-51-8
C24H26N2O5 M.W. 422.49
C-025
5
R-(+)-Carvedilol
CAS No. 95093-99-5
C24H26N2O4 M.W. 406.49
C-026
R-(+)-Carvedilol		 S-(-)-Carvedilol
CAS No. 95094-00-1
C24H26N2O4 M.W. 406.49
C-027
S-(-)-Carvedilol
(S)-(-)-Carvedilol-d4
C24H22N2O4D4 M.W. 410.51
C-028
(S)-(-)-Carvedilol-d4		 R-(+)-Carvedilol-d4
C24H22N2O4D4 M.W. 410.51
C-029
R-(+)-Carvedilol-d4
Celecoxib-d7
CAS No. 169590-42-5 (non-d)
C17H7D7F3N3O2S M.W. 388.42
C-031
Celecoxib-d7		 Celecoxib Impurity 1
C17H16F3N3O3S M.W. 399.39
C-0310
Celecoxib Impurity 1
Celecoxib Impurity 2
C11H9F3N2 M.W. 226.20
C-0311
Celecoxib Impurity 2		 Celecoxib Impurity C
CAS No. N/A
C17H14F3N3O2S M.W. 381.38
C-0312
Celecoxib Impurity C
Hydroxymethyl celecoxib
CAS No. 170571-00-3
C17H14F3N3O3S M.W. 397.38
C-032
Hydroxymethyl celecoxib		 Carboxylic acid celecoxib
CAS No. 170571-01-4
C17H12F3N3O4S M.W. 411.36
C-033
Carboxylic acid celecoxib
4-Chlorobenzenesulphonamide
C6H6ClNO2S M.W. 191.64
C-034
4-Chlorobenzenesulphonamide		 Celecoxib
C17H14F3N3O2S M.W. 381.38
C-035
Celecoxib
Celecoxib Impurity A
CAS No. 170570-01-1
C17H14F3N3O2S M.W. 381.38
C-036
Celecoxib Impurity A		 Celecoxib Related Compound B
CAS No. 331943-04-5
C17H14F3N3O2S M.W. 381.38
C-037
Celecoxib Related Compound B
4-Hydrazinobenzenesulfonamide
CAS No. 4392-54-5
C6H9N3O2S M.W. 187.22
C-038
4-Hydrazinobenzenesulfonamide		 1-(4-Methylphenyl)-4,4,4,-trifluorobutane-1,3-dione
CAS No. 720-94-5
C11H9F3O2 M.W. 230.19
C-039
1-(4-Methylphenyl)-4,4,4,-trifluorobutane-1,3-dione
Ciclopirox glucuronide
CAS No. 79419-54-8
C18H25NO8 M.W. 381.43
C-051
Ciclopirox glucuronide		 Ciclopirox-d11
CAS No. 29342-05-0
C12H6D11NO2 M.W. 218.34
C-052
Ciclopirox-d11
Ciclopirox-d11 glucuronide
CAS No. 79419-54-8
C18H14D11NO8 M.W. 392.50
C-053
Ciclopirox-d11 glucuronide		 Cilazapril
CAS No. 88768-40-5
C22H31N3O5 M.W. 417.51
C-061
Cilazapril
Cilazaprilat
CAS No. 90139-06-3
C20H27N3O5 M.W. 389.46
C-062
Cilazaprilat		 Cilostazol
CAS No. 73963-62-9
C20H27N5O2 M.W. 369.47
C-071
Cilostazol
Cilostazol-d4
CAS No. 73963-62-9(non-d)
C20H23D4N5O2 M.W. 373.49
C-072
Cilostazol-d4		 OPC-13213 (trans): 3,4-dihydro-6-[4-[1-(trans-4-hydroxycyclohexyl)-1H-tetrazol-5-yl]butoxy]-2-(1H)-Quinolinone
CAS No. 87153-04-6
C20H27N5O3 M.W. 385.47
C-073
OPC-13213 (trans): 3,4-dihydro-6-[4-[1-(trans-4-hydroxycyclohexyl)-1H-tetrazol-5-yl]butoxy]-2-(1H)-Quinolinone
OPC-13217 (cis): 3,4-dihydro-6-[4-[1-(trans-4-hydroxycyclohexyl)-1H-tetrazol-5-yl]butoxy]-2-(1H)-Quinolinone
CAS No. 87153-06-8
C20H27N5O3 M.W. 385.47
C-074
OPC-13217 (cis): 3,4-dihydro-6-[4-[1-(trans-4-hydroxycyclohexyl)-1H-tetrazol-5-yl]butoxy]-2-(1H)-Quinolinone		 OPC-3930: 6-[3-(1-cyclohexyl-1H-tetrazol-5-yl)propoxy]-2(1H)-Quinolinone
CAS No. 73963-46-9
C19H23N5O3 M.W. 355.44
C-075
OPC-3930: 6-[3-(1-cyclohexyl-1H-tetrazol-5-yl)propoxy]-2(1H)-Quinolinone
OPC-13015: 6-[4-(1-cyclohexyl-1H-tetrazol-5-yl)propoxy]-2(1H)-Quinolinone
CAS No. 73963-62-9
C20H25N5O2 M.W. 367.45
C-076
OPC-13015: 6-[4-(1-cyclohexyl-1H-tetrazol-5-yl)propoxy]-2(1H)-Quinolinone		 Cilostazol Impurity 1
C29H34N6O4 M.W. 530.63
C-077
Cilostazol Impurity 1
Cilostazol Impurity 2
C20H29N5O3 M.W. 387.49
C-078
Cilostazol Impurity 2		 Ciprofloxacin
CAS No. 86393-32-0
C17H18FN3O3 M.W. 333.37
C-081
Ciprofloxacin
Ciprofloxacin Impurity F
C17H19N3O4 M.W. 329.36
C-0810
Ciprofloxacin Impurity F		 6-Chloro-1-Ethyl-4-Oxo-7-(Piperazin-1-yl)-1,4-Dihydroquinoline-3-Carboxylic acid
CAS No. 67681-84-9
C16H18ClN3O3 M.W. 335.79
C-0811
6-Chloro-1-Ethyl-4-Oxo-7-(Piperazin-1-yl)-1,4-Dihydroquinoline-3-Carboxylic acid
Formyl Ciprofloxacin
C18H18FN3O4 M.W. 359.36
C-0812
Formyl Ciprofloxacin		 Ciprofloxacin-d8 HCl
C17H10FN3O3D8. HCl M.W. 339.40 36.46
C-082
Ciprofloxacin-d8 HCl
Sulfociprofloxacin
CAS No. 105093-21-8
C17H18FN3O6S M.W. 413.43
C-083
Sulfociprofloxacin		 Ciprofloxacin-acyl-β-D-glucuronide
C23H26FN3O9 M.W. 507.48
C-084
Ciprofloxacin-acyl-β-D-glucuronide
Ciprofloxacin Impurity A
C13H9ClFNO3 M.W. 281.67
C-085
Ciprofloxacin Impurity A		 Ciprofloxacin Impurity B
CAS No. 93107-11-0
C17H19N3O3 M.W. 313.36
C-086
Ciprofloxacin Impurity B
Ciprofloxacin Impurity C
CAS No. 103222-12-4
C15H16FN3O3 M.W. 305.31
C-087
Ciprofloxacin Impurity C		 Ciprofloxacin Impurity D
CAS No. 133210-96-5
C17H18ClN3O3 M.W. 347.80
C-088
Ciprofloxacin Impurity D
Ciprofloxacin Impurity E
C16H18FN3O M.W. 287.34
C-089
Ciprofloxacin Impurity E		 Citalopram.HBr
CAS No. 59729-32-7
C20H21FN2O.HBr M.W. 405.31
C-091
Citalopram.HBr
(-)-(R)-Citalopram-d4 Oxalate
CAS No. 62498-69-5 (non-d)
C20H17FN2OD4.C2H2O4 M.W. 328.43 90.04
C-0910
(-)-(R)-Citalopram-d4 Oxalate		 (+)-(S)-Desmethyl Citalopram Oxalate
C19H19FN2O.C2H2O4 M.W. 310.37 90.04
C-0911
(+)-(S)-Desmethyl Citalopram Oxalate
(-)-(R)-Desmethyl Citalopram Oxalate
C19H19FN2O.C2H2O4 M.W. 310.37 90.04
C-0912
(-)-(R)-Desmethyl Citalopram Oxalate		 S-Citalopram N-Oxide
CAS No. 917482-45-2
C20H21FN2O2 M.W. 340.40
C-0913
S-Citalopram N-Oxide
Desfluoro Citalopram Oxalate
CAS No. 1093072-86-6
C20H22N2O.C2H2O4 M.W. 396.45
C-0914
Desfluoro Citalopram Oxalate		 3-Oxo Citalopram
CAS No. 372941-54-3
C20H19FN2O2 M.W. 338.39
C-0915
3-Oxo Citalopram
Citalopram Related Compound I
CAS No. N/A
C20H23FN2O2 M.W. 342.42
C-0916
Citalopram Related Compound I		 Citalopram Related Compound II
CAS No. N/A
C20H23FN2O2 M.W. 342.42
C-0917
Citalopram Related Compound II
Citalopram Related Compound III
CAS No. N/A
C26H25F2NO2 M.W. 421.49
C-0918
Citalopram Related Compound III		 (S)-N-Didesmethyl Citalopram Oxalate
C18H17FN2O. C2H2O4 M.W. 296.35 90.04
C-0919
(S)-N-Didesmethyl Citalopram Oxalate
Citalopram-d4.HBr
CAS No. 59729-32-7(non-d)
C20H15D6FN2O.HBr M.W. 411.85
C-092
Citalopram-d4.HBr		 (R)-N-Didesmethyl Citalopram Oxalate
C18H17FN2O.C2H2O4 M.W. 296.35 90.04
C-0920
(R)-N-Didesmethyl Citalopram Oxalate
Escitalopram Impurity C
CAS No. N/A
C19H23BrFNO2 HBr M.W. 396.30 80.91
C-0921
Escitalopram Impurity C		 N-Chloromethyl Citalopram-d6 Chloride
C21H17ClFN2OD6 . Cl M.W. 379.92 35.45
C-0923
N-Chloromethyl Citalopram-d6 Chloride
(S)-Desmethyl Citalopram-d4 Oxalate
CAS No. N/A
C19H15FN2OD4 C2H2O4 M.W. 314.40 90.04
C-0924
(S)-Desmethyl Citalopram-d4 Oxalate		 (R)-Desmethyl Citalopram-d4 Oxalate
CAS No. N/A
C19H15FN2OD4 C2H2O4 M.W. 314.40 90.04
C-0925
(R)-Desmethyl Citalopram-d4 Oxalate
(+)-(S)-Citalopram Oxalate
CAS No. 128196-01-0
C20H21FN2O.C2H2O4 M.W. 324.40 90.04
C-093
(+)-(S)-Citalopram Oxalate		 (-)-(R)-Citalopram Oxalate
CAS No. 62498-69-5
C20H21FN2O.C2H2O4 M.W. 324.40 90.04
C-094
(-)-(R)-Citalopram Oxalate
N-Desmethyl Citalopram HBr
C19H19FN2O.HBr M.W. 391.28
C-095
N-Desmethyl Citalopram HBr		 N-Desmethyl Citalopram-d4 Oxalate
C19H15FN2OD4.C2H2O4 M.W. 314.40 90.04
C-096
N-Desmethyl Citalopram-d4 Oxalate
Didesmethyl citalopram.HBr
CAS No. 62498-69-5
C18H17FN2O.HBr M.W. 377.26
C-097
Didesmethyl citalopram.HBr		 Didesmethyl citalopram-d4.HBr
CAS No. 62498-69-5(non-d)
C18H13D4FN2O.HBr M.W. 393.27
C-098
Didesmethyl citalopram-d4.HBr
(+)-(S)-Citalopram-d4 Oxalate
CAS No. 128196-01-0 (non-d)
C20H17FN2OD4.C2H2O4 M.W. 328.43 90.04
C-099
(+)-(S)-Citalopram-d4 Oxalate		 Clopamide
CAS No. 636-54-4
C14H20ClN3O3S M.W. 345.85
C-100001
Clopamide
Clopamide-d6
CAS No. N/A
C14H14ClN3O3SD6 M.W. 351.89
C-100002
Clopamide-d6		 2-(4-Chloro-3-Sulphobenzoyl)-Benzoic Acid
CAS No. N/A
C14H9ClO6S M.W. 340.74
C-100003
2-(4-Chloro-3-Sulphobenzoyl)-Benzoic Acid
Carbetocin
CAS No. 37025-55-1
C45H69N11O12S M.W. 988.18
C-10001
Carbetocin		 Cibenzoline Impurity (N-(2-aminoethyl-2,2-diphenyl Cyclopropanecarboxamide)
CAS No. 109546-07-8
C18H20N2O M.W. 280.37
C-10002
Cibenzoline Impurity (N-(2-aminoethyl-2,2-diphenyl Cyclopropanecarboxamide)
Chlorthalidone-d4
CAS No. N/A
C14H7ClN2O4SD4 M.W. 342.80
C-10002
Chlorthalidone-d4		 Cibenzoline Impurity (N-(2-aminoethyl-2,2-diphenyl Cyclopropanecarboxamide-d4)
C18H16N2OD4 M.W. 284.40
C-10003
Cibenzoline Impurity (N-(2-aminoethyl-2,2-diphenyl Cyclopropanecarboxamide-d4)
Cevimeline-d4 HCl
C10H13NOSD4.HCl M.W. 203.34 36.46
C-1002
Cevimeline-d4 HCl		 Cevimeline N-Oxide
CAS No. 469890-14-0
C10H17NO2S M.W. 215.32
C-1003
Cevimeline N-Oxide
Cevimeline Sulfoxide
CAS No. 124751-36-6
C10H17NO2S M.W. 215.32
C-1004
Cevimeline Sulfoxide		 Cevimeline N, S-Dioxide
C10H17NO3S M.W. 231.32
C-1005
Cevimeline N, S-Dioxide
Cevimeline N-beta-D-Glucuronide
C16H25NO7S M.W. 375.44
C-1006
Cevimeline N-beta-D-Glucuronide		 Clenbuterol-d9
C12H9Cl2N2OD9 M.W. 286.12
C-101
Clenbuterol-d9
Clobetasol Propionate
CAS No. 25122-46-7
C25H32ClFO5 M.W. 466.98
C-101001
Clobetasol Propionate		 Clobetasol Propionate Impurity B
CAS No. N/A
C22H26ClFO3 M.W. 392.90
C-101002
Clobetasol Propionate Impurity B
Chloramphenicol-D5
C11H7Cl2N2O5D5 M.W. 328.16
C-10101
Chloramphenicol-D5		 Chlorphenamine Impurity A Dimaleate
CAS No. N/A
C16H24ClN3 2 C4H4O4 M.W. 293.84 2 116.07
C-1011
Chlorphenamine Impurity A Dimaleate
Chlorphenamine Impurity B
CAS No. N/A
C10H9N3 M.W. 171.20
C-1012
Chlorphenamine Impurity B		 Chlorphenamine Impurity C Maleate (Chlorpheniramine Impurity C Maleate)
CAS No. N/A
C15H17ClN2. C4H4O4 M.W. 260.77 116.07
C-1013
Chlorphenamine Impurity C Maleate (Chlorpheniramine Impurity C Maleate)
Chlorphenamine Impurity D Maleate
CAS No. N/A
C17H18ClN3. C4H4O4 M.W. 299.81 116.07
C-1014
Chlorphenamine Impurity D Maleate		 Clenbuterol Impurity A
CAS No. N/A
C7H5Cl2NO M.W. 190.03
C-102
Clenbuterol Impurity A
Clortalidone
CAS No. 77-36-1
C14H11ClN2O4S M.W. 338.77
C-102001
Clortalidone		 Clortalidone-d4
CAS No. N/A
C14H7ClN2O4SD4 M.W. 342.80
C-102002
Clortalidone-d4
Caroverine HCl
CAS No. 55750-05-5
C22H28N3O2Cl M.W. 401.94
C-10201
Caroverine HCl		 Cyclophosphamide-d8
CAS No. NA
C7H7Cl2N2O2PD8 M.W. 269.14
C-1021
Cyclophosphamide-d8
4-Hydroxy Cyclophosphamide
CAS No. NA
C7H15Cl2N2O3P M.W. 277.09
C-1022
4-Hydroxy Cyclophosphamide		 Alcocyclophosphamide
CAS No. NA
C7H17Cl2N2O3P M.W. 279.10
C-1023
Alcocyclophosphamide
Cyclophosphamide Impurity A
C7H16ClN2O3P M.W. 242.64
C-1024
Cyclophosphamide Impurity A		 Cyclophosphamide Impurity B
C8H17Cl2N2O2P M.W. 275.12
C-1025
Cyclophosphamide Impurity B
Cyclophosphamide Impurity C
C7H15ClN2 M.W. 162.66
C-1026
Cyclophosphamide Impurity C		 Cyclophosphamide Impurity D
C7H14N2 M.W. 126.20
C-1027
Cyclophosphamide Impurity D
N-Dechloroethyl Cyclophosphamide
CAS No. 36761-83-8
C5H12ClN2O2P M.W. 198.59
C-1028
N-Dechloroethyl Cyclophosphamide		 Clenbuterol Impurity C
CAS No. N/A
C8H7Cl2NO M.W. 204.06
C-103
Clenbuterol Impurity C
Clobetasole Propionate Impurity A
C25H33FO6 M.W. 448.54
C-103001
Clobetasole Propionate Impurity A		 Clobetasole Propionate Impurity B
C22H26ClFO3 M.W. 392.90
C-103002
Clobetasole Propionate Impurity B
Clobetasole Propionate Impurity C
C25H32ClFO5 M.W. 466.98
C-103003
Clobetasole Propionate Impurity C		 Clobetasole Propionate Impurity D
C25H34ClFO5 M.W. 469.00
C-103004
Clobetasole Propionate Impurity D
delta(3)-Cefotiam
CAS No. 142182-63-6
C18H23N9O4S3 M.W. 525.63
C-10301
delta(3)-Cefotiam		 Cefotiam Dihydrochloride
CAS No. 66309-69-1
C18H23N9O4S3. 2 HCl M.W. 525.63 2 36.46
C-10302
Cefotiam Dihydrochloride
Aminoquat
CAS No. NA
C9H23N2 M.W. 159.30
C-1031
Aminoquat		 Decylaminoquat
CAS No. NA
C19H43N2 M.W. 299.57
C-1032
Decylaminoquat
Amino Dihexylquat (Amino Dihexyltrimethylammonium Bromide HBr)
CAS No. NA
C18H43N3. 2Br. HBr M.W. 301.56 2x79.90 80.91
C-1033
Amino Dihexylquat (Amino Dihexyltrimethylammonium Bromide HBr)		 Clenbuterol Impurity D
CAS No. N/A
C8H9NO M.W. 135.17
C-104
Clenbuterol Impurity D
Cefcapene
CAS No. 135889-00-8
C17H19N5O6S2 M.W. 453.50
C-104001
Cefcapene		 Cefcapene-d5
CAS No. N/A
C17H14N5O6S2D5 M.W. 458.53
C-104002
Cefcapene-d5
4-epi-Chlortetracycline Hydrochloride
C22H23ClN2O8 . HCl M.W. 478.89 36.46
C-10401
4-epi-Chlortetracycline Hydrochloride		 delta2-Cefcapene Pivoxil
C23H29N5O8S2 M.W. 567.64
C-10403
delta2-Cefcapene Pivoxil
Corticosterone-d8
CAS No. NA
C21H22O4D8 M.W. 354.52
C-1041
Corticosterone-d8		 17-Dehydro-21-hydroxy Hydrocortisone
C21H30O5 M.W. 362.47
C-1042
17-Dehydro-21-hydroxy Hydrocortisone
Clenbuterol Impurity E
CAS No. N/A
C8H6BrCl2NO M.W. 282.95
C-105
Clenbuterol Impurity E		 Combretastatin A4
CAS No. 117048-59-6
C18H20O5 M.W. 316.36
C-105001
Combretastatin A4
Combretastatin A4-d3
CAS No. N/A
C18H17O5D3 M.W. 319.38
C-105002
Combretastatin A4-d3		 Ciclesonide-d7
C32H37O7D7 M.W. 547.75
C-10501
Ciclesonide-d7
Ceftazidime Impurity A
CAS No. NA
C22H24N6O7S2 M.W. 548.60
C-1051
Ceftazidime Impurity A		 Ceftazidime Impurity B
CAS No. NA
C22H22N6O7S2 M.W. 546.58
C-1052
Ceftazidime Impurity B
Ceftazidime Impurity C
CAS No. NA
C13H13N3O3S M.W. 291.33
C-1053
Ceftazidime Impurity C		 Ceftazidime Impurity E
CAS No. NA
C26H30N6O7S2 M.W. 602.69
C-1054
Ceftazidime Impurity E
Ceftazidime Impurity G
CAS No. NA
C11H14N4O5S M.W. 314.32
C-1055
Ceftazidime Impurity G		 Ceftazidime Impurity H
CAS No. NA
C23H24N6O7S2 M.W. 560.61
C-1056
Ceftazidime Impurity H
Clenbuterol Impurity F
CAS No. N/A
C12H18BrClN2O M.W. 321.65
C-106
Clenbuterol Impurity F		 Cefotaxime
CAS No. 63527-52-6
C16H17N5O7S2 M.W. 455.47
C-106001
Cefotaxime
3-Desacetyl Cefotaxime Lactone
CAS No. 66340-33-8
C14H13N5O5S2 M.W. 395.42
C-106002
3-Desacetyl Cefotaxime Lactone		 Cefotaxime Impurity A
CAS No. N/A
C14H15N5O5S2 M.W. 397.43
C-106003
Cefotaxime Impurity A
Cefotaxime Impurity B
CAS No. N/A
C14H15N5O6S2 M.W. 413.43
C-106004
Cefotaxime Impurity B		 Cibenzoline
CAS No. 53267-01-9
C18H18N2 M.W. 262.36
C-10601
Cibenzoline
Cefuroxime Sodium
CAS No. 238-63-2
C16H15N4O8S. Na M.W. 423.38 22.99
C-1061
Cefuroxime Sodium		 Cefuroxime Axetil delta-3 Isomer (Impurity A)
CAS No. N/A
C20H22N4O10S M.W. 510.48
C-1062
Cefuroxime Axetil delta-3 Isomer (Impurity A)
Cromoglycate Sodium
CAS No. 15826-37-6
C23H14O11 . 2 Na M.W. 466.36 2 22.99
C-107001
Cromoglycate Sodium		 Cromoglycate Sodium-d5
C23H9O11D5 . 2 Na M.W. 471.39 2 22.99
C-107002
Cromoglycate Sodium-d5
Carboplatin
CAS No. 41575-94-4
C6H12N2O4Pt M.W. 371.26
C-10701
Carboplatin		 Cimaterol
CAS No. 45239-37-1
C12H17N3O M.W. 219.29
C-1071
Cimaterol
Cimaterol-d7
CAS No. N/A
C12H10N3OD7 M.W. 226.33
C-1072
Cimaterol-d7		 Cerivastatin Sodium Salt
CAS No. 143201-11-0
C26H33FNO5.Na M.W. 458.56 22.99
C-10801
Cerivastatin Sodium Salt
Cinchocaine Impurity B (2-Hydroxyquinoline-4-Carboxylic Acid)
C10H7NO3 M.W. 189.17
C-1081
Cinchocaine Impurity B (2-Hydroxyquinoline-4-Carboxylic Acid)		 Cinchocaine Impurity C (Dibucaine Impurity C)
CAS No. N/A
C16H21N3O2 M.W. 287.36
C-1082
Cinchocaine Impurity C (Dibucaine Impurity C)
Cefodizime
C20H20N6O7S4 M.W. 584.67
C-10901
Cefodizime		 Ceftibuten
C15H14N4O6S2 M.W. 410.43
C-1091
Ceftibuten
2'-Chloroacetophenone
CAS No. 2142-68-9
C8H7ClO M.W. 154.60
C-11001
2'-Chloroacetophenone		 Cefdinir
CAS No. 91832-40-5
C14H13N5O5S2 M.W. 395.42
C-1101
Cefdinir
Cefdinir 3-isomer
C15H14N4O5S2 M.W. 394.43
C-1102
Cefdinir 3-isomer		 Cefdinir delactam isomers
C14H15N5O6S2 M.W. 413.43
C-1103
Cefdinir delactam isomers
Cefdinir 7-isomer
C15H14N4O5S2 M.W. 394.43
C-1104
Cefdinir 7-isomer		 E-Cefdinir
C14H13N5O5S2 M.W. 395.42
C-1105
E-Cefdinir
Cefdinir Impurity 1
CAS No. 71091-93-5
C13H13N5O5S2 M.W. 383.41
C-1106
Cefdinir Impurity 1		 Cefdinir Impurity 3
C13H15N5O4S2 M.W. 369.42
C-1107
Cefdinir Impurity 3
Thiazolylacetylglycine Oxime Acetal
CAS No. 178422-40-7
C7H10N4O4S M.W. 246.25
C-1108
Thiazolylacetylglycine Oxime Acetal		 Thiazolylacetylglycine Oxime
CAS No. 178949-03-6
C7H8N4O4S M.W. 244.23
C-1109
Thiazolylacetylglycine Oxime
Clomipramine-d3
CAS No. 136765-29-2
C19H20D3ClN2 M.W. 317.83
C-111
Clomipramine-d3		 Cefdinir Sulfoxide
CAS No. 934986-48-8
C14H13N5O6S2 M.W. 411.42
C-1110
Cefdinir Sulfoxide
Cefepime impurity F
C32H42N9O7S3 M.W. 760.94
C-11102
Cefepime impurity F		 Cefepime impurity A
C19H24N6O5S2 M.W. 480.57
C-11103
Cefepime impurity A
Delta2-Cefepime Etherate
C19H24N6O5S2 . C4H10O M.W. 480.57 74.12
C-11104
Delta2-Cefepime Etherate		 Cefoxitin Sodium Salt
C16H16N3O7S2.Na M.W. 426.45 22.99
C-1111
Cefoxitin Sodium Salt
Cefdinir Thiazine Analog
CAS No. 178422-39-4
C14H15N5O6S2 M.W. 413.43
C-1112
Cefdinir Thiazine Analog		 Cedinir Isoxazole Analog
C13H11N3O6S M.W. 337.31
C-1113
Cedinir Isoxazole Analog
Cefdinir Glyoxalic Analog
CAS No. 79350-14-4
C14H12N4O5S2 M.W. 380.40
C-1114
Cefdinir Glyoxalic Analog		 Cefdinir Lactone
CAS No. 946573-41-7
C14H13N5O5S2 M.W. 395.42
C-1115
Cefdinir Lactone
Clomipramine HCl
C19H23ClN2. HCl M.W. 314.86 36.46
C-112
Clomipramine HCl		 2-Amino-3-hydroxy phenazine
C12H9N3O M.W. 211.23
C-11201
2-Amino-3-hydroxy phenazine
Cycloserine Diketopiperazine (Mixture of Isomers)
C6H12N4O4 M.W. 204.19
C-11301
Cycloserine Diketopiperazine (Mixture of Isomers)		 rac-Cycloserine-15N, d3
CAS No. 1219176-26-7
C3H3N2O2D3 M.W. 106.10
C-11302
rac-Cycloserine-15N, d3
Chromoglycate Sodium
CAS No. 15826-37-6
C23H14O11 . 2 Na M.W. 466.36 2 22.99
C-11401
Chromoglycate Sodium		 Chromoglycate-d5 Sodium
C23H9O11D5 . 2 Na M.W. 471.39 2 22.99
C-11402
Chromoglycate-d5 Sodium
Clofarabine
C10H11ClFN5O3 M.W. 303.68
C-11501
Clofarabine		 Cefathiamidine-d12
CAS No. N/A
C19H16N4O6S2D12 M.W. 484.66
C-116004
Cefathiamidine-d12
Cefathiamidine
C19H28N4O6S2 M.W. 472.59
C-11601
Cefathiamidine		 Desacetyl Cefathiamidine
C17H26N4O5S2 M.W. 430.55
C-11602
Desacetyl Cefathiamidine
Cefathiamidine Lactone
C17H24N4O4S2 M.W. 412.53
C-11603
Cefathiamidine Lactone		 Octyl 4-Methoxycinnamate (Octinoxate)
CAS No. 5466-77-3
C18H26O3 M.W. 290.41
C-11701
Octyl 4-Methoxycinnamate (Octinoxate)
Uridine Diphosphate Choline (UDPC)
CAS No. 99492-83-8
C14H25N3O12P2 M.W. 489.32
C-119001
Uridine Diphosphate Choline (UDPC)		 Cytidine Diphosphate Ethanolamine (CDPEA)
CAS No. 3038-18-8
C11H20N4O11P2 M.W. 446.25
C-119002
Cytidine Diphosphate Ethanolamine (CDPEA)
Cephalomannine
C45H53NO14 M.W. 831.92
C-11901
Cephalomannine		 7-epi-Cephalomannine
CAS No. 150547-36-7
C45H53NO14 M.W. 831.92
C-11902
7-epi-Cephalomannine
Cefradine
CAS No. 38821-53-3
C16H19NO4S M.W. 349.41
C-120001
Cefradine		 Cefradine Impurity C (Isomer 1), Cefradine Impurity D (Isomer 2)
CAS No. N/A
C16H19N3O5S M.W. 365.41
C-120002
Cefradine Impurity C (Isomer 1), Cefradine Impurity D (Isomer 2)
Cefradine Impurity E
CAS No. N/A
C16H17N3O5S M.W. 363.39
C-120003
Cefradine Impurity E		 Carfilzomib
CAS No. 868540-17-4
C40H57N5O7 M.W. 719,93
C-121001
Carfilzomib
Carfilzomib-d8
CAS No. N/A
C40H49N5O7D8 M.W. 727.98
C-121002
Carfilzomib-d8		 Cobicistat
CAS No. 1004316-88-4
C40H53N7O5S2 M.W. 776.04
C-122001
Cobicistat
Cobicistat-d8
CAS No. N/A
C40H45N7O5S2D8 M.W. 784.09
C-122002
Cobicistat-d8		 2-[4-(Methylamino)methyl-1,3-Thiazole-2-yl] Propane-2-ol
CAS No. 1051463-24-1
C8H14N2OS M.W. 186.28
C-122003
2-[4-(Methylamino)methyl-1,3-Thiazole-2-yl] Propane-2-ol
(2S)-2-Amino-4-Meorpholine-4-yl-Butanoic Acid
CAS No. 854893-19-9
C8H16N2O3 M.W. 188.23
C-122004
(2S)-2-Amino-4-Meorpholine-4-yl-Butanoic Acid		 Crizotinib
CAS No. 877399-52-5
C21H22Cl2FN5O M.W. 450.34
C-123001
Crizotinib
Crizotinib-d5
CAS No. 1395950-84-1
C21H17Cl2FN5OD5 M.W. 455.38
C-123002
Crizotinib-d5		 Cefuroxime Impurity B
CAS No. N/A
C20H22N4O10S M.W. 510.48
C-123003
Cefuroxime Impurity B
Cefuroxime Impurity C
CAS No. N/A
C18H15Cl3N4O9S M.W. 569.76
C-123004
Cefuroxime Impurity C		 Cefuroxime Impurity D
CAS No. N/A
C16H16N4O8S M.W. 424.39
C-123005
Cefuroxime Impurity D
Cefuroxime Impurity E
CAS No. N/A
C15H15N3O6S M.W. 365.37
C-123006
Cefuroxime Impurity E		 Carbuterol
CAS No. 34866-47-2
C13H21N3O3 M.W. 267.33
C-124001
Carbuterol
Carbuterol-d9
CAS No. 34866-47-2(non-d)
C13H12N3O3D9 M.W. 276.38
C-124002
Carbuterol-d9		 Chlorpromazine-d6
C17H13ClN2SD6 M.W. 324.91
C-125001
Chlorpromazine-d6
Chlorpromazine
C17H19ClN2S M.W. 318.87
C-125002
Chlorpromazine		 S-Decyanomethyl-S-(1-methyl-1H-tetrazol-5-yl) Cefmetazole
CAS No. 74228-11-8
C15H18N10O5S3 M.W. 514.57
C-126001
S-Decyanomethyl-S-(1-methyl-1H-tetrazol-5-yl) Cefmetazole
Cefprozil Impurity C
CAS No. 147103-93-3
C11H11N3O3 M.W. 233.23
C-127001
Cefprozil Impurity C		 Cefprozil Impurity D
C10H12N2O3S M.W. 240.28
C-127002
Cefprozil Impurity D
Cefprozil Impurity E
C26H26N4O7S M.W. 538.58
C-127003
Cefprozil Impurity E		 Cefprozil Impurity F
C10H12N2O3S M.W. 240.28
C-127004
Cefprozil Impurity F
Cefprozil Impurity G
C18H21N3O6S M.W. 407.45
C-127005
Cefprozil Impurity G		 Cefprozil Impurity H
C26H26N4O7S M.W. 538.58
C-127006
Cefprozil Impurity H
Cefprozil Impurity I
C18H21N3O6S M.W. 407.45
C-127007
Cefprozil Impurity I		 Cefprozil Impurity J
C26H26N4O7S M.W. 538.58
C-127008
Cefprozil Impurity J
Cefprozil Impurity K
C18H19N3O5S M.W. 389.43
C-127009
Cefprozil Impurity K		 Cefprozil Impurity L
CAS No. 203007-73-2
C10H13NO4 M.W. 211.22
C-127010
Cefprozil Impurity L
Cefprozil Impurity M
C21H23N3O7S M.W. 461.50
C-127011
Cefprozil Impurity M		 Cefprozil Impurity N
C21H23N3O7S M.W. 461.50
C-127012
Cefprozil Impurity N
Cyproheptadine Impurity B (Dibenzosuberenone)
CAS No. 2222-33-5
C15H10O M.W. 206.25
C-128001
Cyproheptadine Impurity B (Dibenzosuberenone)		 Calcitriol Derivatizing Agent 1
C16H22N5O3 . Br M.W. 332.39 79.90
C-129001
Calcitriol Derivatizing Agent 1
Calcitriol Derivatizing Agent 2
C8H7N4O2 . I M.W. 191.17 126.90
C-129002
Calcitriol Derivatizing Agent 2		 Epi-Calcitriol
CAS No. 66791-71-7
C27H44O3 M.W. 416.65
C-129003
Epi-Calcitriol
Cyamemazine
CAS No. 3546-03-0
C19H21N3S M.W. 323.46
C-130001
Cyamemazine		 Cyamemazine-d6
C19H15N3SD6 M.W. 329.50
C-130002
Cyamemazine-d6
Cyamemazine sulfoxide
CAS No. 13384-45-7
C19H21N3OS M.W. 339.46
C-130003
Cyamemazine sulfoxide		 N-Desmethyl Cyamemazine Maleate
CAS No. N/A
C18H19N3S C4H4O4 M.W. 309.44 116.07
C-130004
N-Desmethyl Cyamemazine Maleate
Clopidogrel H2SO4
CAS No. 135046-48-9
C16H16ClNO2S.H2O4S M.W. 321.83 98.08
C-131
Clopidogrel H2SO4		 Clopidogrel N-Methyl Impurity I
C16H18ClNO2S M.W. 323.84
C-1310
Clopidogrel N-Methyl Impurity I
Camostat Mesylate
CAS No. 59721-29-8
C20H22N4O5 CHO3S M.W. 398.42 96.11
C-131001
Camostat Mesylate		 Clopidogrel Impurity B
CAS No. N/A
C16H16ClNO2S HCl M.W. 321.83 36.46
C-1311
Clopidogrel Impurity B
Clopidogrel Related Compound B
CAS No. 144750-52-7
C16H16ClNO2S HCl M.W. 321.83 36.46
C-1312
Clopidogrel Related Compound B		 Clopidogrel Ethyl Ester
CAS No. N/A
C17H18ClNO2S M.W. 335.86
C-1313
Clopidogrel Ethyl Ester
Clopidogrel Related Compound C (R-Clopidogrel)
CAS No. 120202-71-3
C16H16ClNO2S H2O4S M.W. 321.83 98.08
C-1314
Clopidogrel Related Compound C (R-Clopidogrel)		 Clopidogrel Metabolite I
CAS No. N/A
C16H18ClNO4S M.W. 355.84
C-1315
Clopidogrel Metabolite I
Clopidogrel Metabolite I-d3
CAS No. N/A
C16H15ClNO4SD3 M.W. 358.86
C-1316
Clopidogrel Metabolite I-d3		 Clopidogrel Metabolite II
CAS No. N/A
C25H26ClNO6S M.W. 504.01
C-1317
Clopidogrel Metabolite II
Clopidogrel Metabolite II-d3
CAS No. N/A
C25H23ClNO6SD3 M.W. 507.02
C-1318
Clopidogrel Metabolite II-d3		 2-Oxo-Clopidogrel-13C, d3
CAS No. N/A
C16H13ClNO3SD3 HCl M.W. 341.83 36.46
C-1319
2-Oxo-Clopidogrel-13C, d3
Clopidogrel-d3 hydrogensulfate
CAS No. 135046-48-9
C16H13D3ClNO2S M.W. 422.93
C-132
Clopidogrel-d3 hydrogensulfate		 (R)-Clopidogrel Carboxylic Acid
CAS No. 324757-50-8
C15H14ClNO2S M.W. 307.80
C-1320
(R)-Clopidogrel Carboxylic Acid
Carbocisteine-13C3
CAS No. N/A
C5H9NO4S M.W. 182.16
C-132001
Carbocisteine-13C3		 (S)-Clopidogrel Carboxylic Acid (Clopidogrel Related Compound A)
CAS No. 144457-28-3
C15H14ClNO2S M.W. 307.80
C-1321
(S)-Clopidogrel Carboxylic Acid (Clopidogrel Related Compound A)
Clopidogrel Impurity 1
C16H13ClNO2S . I M.W. 318.80 126.90
C-1322
Clopidogrel Impurity 1		 Clopidogrel Impurity 2
C16H15ClNO2S . Cl M.W. 320.82 35.45
C-1323
Clopidogrel Impurity 2
Clopidogrel Impurity 3
C14H11ClNS . Cl M.W. 260.77 35.45
C-1324
Clopidogrel Impurity 3		 Clopidogrel Impurity 4
C14H13ClNS . Cl M.W. 262.78 35.45
C-1325
Clopidogrel Impurity 4
Clopidogrel Impurity
CAS No. 141109-20-8
C15H16ClNO2S . HCl M.W. 309.82 36.46
C-1326
Clopidogrel Impurity		 Clopidogrel Carboxylic Acid HCl
CAS No. 144750-42-5
C15H14ClNO2S.HCl M.W. 307.80 36.46
C-133
Clopidogrel Carboxylic Acid HCl
Canrenone
CAS No. 976-71-6
C22H28O3 M.W. 340.47
C-133001
Canrenone		 Canrenone-d6
CAS No. N/A
C22H22O3D6 M.W. 346.50
C-133002
Canrenone-d6
Clopidogrel acyl glucuronide
C21H22ClNO8S M.W. 483.93
C-134
Clopidogrel acyl glucuronide		 2-Oxo Clopidogrel (Mixture of Diastereomers)
C16H16ClNO3S M.W. 337.83
C-135
2-Oxo Clopidogrel (Mixture of Diastereomers)
Cefadroxil-d4
CAS No. N/A
C16H13N3O5SD4 H2O M.W. 367.42 18.02
C-135001
Cefadroxil-d4		 Cefadroxil Impurity B (7-ADCA)
CAS No. N/A
C8H10N2O3S M.W. 214.24
C-135002
Cefadroxil Impurity B (7-ADCA)
Clopidogrel-d4 Hydrogensulfate
C16H12ClNO2SD4.H2O4S M.W. 325.85 98.08
C-136
Clopidogrel-d4 Hydrogensulfate		 Codeine Impurity C
C36H40N2O6 M.W. 596.73
C-136001
Codeine Impurity C
Clopidogrel-d4 Carboxylic Acid
C15H10ClNO2SD4 M.W. 311.83
C-137
Clopidogrel-d4 Carboxylic Acid		 Clopidogrel Carboxylic Acid
C15H14ClNO2S M.W. 307.80
C-138
Clopidogrel Carboxylic Acid
Clozapine-d3
CAS No. 5786-21-0(non-d)
C18H16D3ClN4 M.W. 329.85
C-141
Clozapine-d3		 Clozapine N+-Glucuronide
CAS No. N/A
C24H28ClN4O6 M.W. 503.97
C-1410
Clozapine N+-Glucuronide
Clozapine-5-N-Glucuronide
CAS No. N/A
C24H27ClN4O6 M.W. 502.97
C-1411
Clozapine-5-N-Glucuronide		 Clozapine-d4
CAS No. 5786-21-0 (non-d)
C18H15D4ClN4 M.W. 330.88
C-142
Clozapine-d4
Clozapine
C18H19ClN4 M.W. 326.83
C-143
Clozapine		 N-Desmethyl Clozapine
C17H17ClN4 M.W. 312.80
C-144
N-Desmethyl Clozapine
Clozapine Impurity A
CAS No. 50892-62-1
C13H9ClN2O M.W. 244.68
C-145
Clozapine Impurity A		 N-Desmethyl Clozapine-d8
C17H9ClN4D8 M.W. 320.85
C-146
N-Desmethyl Clozapine-d8
Clozapine EP Impurity B
C30H24Cl2N6 M.W. 539.47
C-147
Clozapine EP Impurity B		 Clozapine EP Impurity D
C18H21ClN4O M.W. 344.85
C-148
Clozapine EP Impurity D
Clozapine N-Oxide
CAS No. N/A
C17H16ClN4O2 M.W. 343.80
C-149
Clozapine N-Oxide		 Colchicine-d6
C22H19NO6D6 M.W. 405.47
C-151
Colchicine-d6
2-Demethyl Colchicine Glucuronide
CAS No. N/A
C27H31NO12 M.W. 561.55
C-1510
2-Demethyl Colchicine Glucuronide		 3-Demethyl Colchicine Glucuronide
CAS No. 477-27-2
C27H31NO12 M.W. 561.55
C-1511
3-Demethyl Colchicine Glucuronide
2-Demethyl Colchicine Sulfate
CAS No. N/A
C21H23NO9S M.W. 465.48
C-1512
2-Demethyl Colchicine Sulfate		 3-Demethyl Colchicine Sulfate
CAS No. N/A
C21H23NO9S M.W. 465.48
C-1513
3-Demethyl Colchicine Sulfate
10-Demethyl Colchicine
CAS No. N/A
C21H23NO6 M.W. 385.42
C-1514
10-Demethyl Colchicine		 Colchicine
CAS No. 64-86-8
C22H25NO6 M.W. 399.45
C-1516
Colchicine
Colchicine Impurity A (N-Desacetyl-N-Formyl Colchicine)
CAS No. 7411-12-3
C21H23NO6 M.W. 385.42
C-1517
Colchicine Impurity A (N-Desacetyl-N-Formyl Colchicine)		 Colchicine Impurity C
CAS No. N/A
C22H25NO6 M.W. 399.45
C-1518
Colchicine Impurity C
Demecolcine-d3
C21H22NO5D3 M.W. 374.45
C-152
Demecolcine-d3		 Demecolcine-d6
C21H19NO5D6 M.W. 377.47
C-153
Demecolcine-d6
2-Demethyl Colchicine
CAS No. 102491-80-5
C21H23NO6 M.W. 385.42
C-154
2-Demethyl Colchicine		 2-Demethyl Colchicine-d3
CAS No. N/A
C21H20NO6D3 M.W. 388.44
C-155
2-Demethyl Colchicine-d3
2-Demethyl Colchicine-13C-d3
CAS No. N/A
C20H20NO613CD3 M.W. 389.43
C-156
2-Demethyl Colchicine-13C-d3		 3-Demethyl Colchicine
CAS No. 7336-33-6
C21H23NO6 M.W. 385.42
C-157
3-Demethyl Colchicine
3-Demethyl Colchicine-d3
CAS No. N/A
C21H20NO6D3 M.W. 388.44
C-158
3-Demethyl Colchicine-d3		 3-Demethyl Colchicine-13C-d3
CAS No. N/A
C20H20NO613CD3 M.W. 389.43
C-159
3-Demethyl Colchicine-13C-d3
7-Hydroxy Coumarin-d5
CAS No. 93-35-6
C9HD5O3 M.W. 167.18
C-161
7-Hydroxy Coumarin-d5		 7-Hydroxycoumarin glucuronide
CAS No. 66695-14-5
C15H14O9 M.W. 338.27
C-162
7-Hydroxycoumarin glucuronide
7-Hydroxycoumarin-d5 glucuronide
CAS No. 66695-14-5(non-d)
C15H9D5O9 M.W. 343.30
C-163
7-Hydroxycoumarin-d5 glucuronide		 7-Hydroxycoumarin sulfate
CAS No. 69526-88-1
C15H6O6S M.W. 242.21
C-164
7-Hydroxycoumarin sulfate
7-Hydroxycoumarin-d5 sulfate
CAS No. 69526-88-1(non-d)
C15HD5O6S M.W. 247.24
C-165
7-Hydroxycoumarin-d5 sulfate		 Coumarin-d4
CAS No. 185056-83-1(non-d)
C9H2O2D4 M.W. 150.17
C-166
Coumarin-d4
7-Ethoxy Coumarin-d5
C11H5O3D5 M.W. 195.23
C-167
7-Ethoxy Coumarin-d5		 7-Hydroxy Coumarin Glucuronide Sodium
C15H13O9.Na M.W. 337.27 22.99
C-168
7-Hydroxy Coumarin Glucuronide Sodium
7-Ethoxy Coumarin
C11H10O3 M.W. 190.20
C-169
7-Ethoxy Coumarin		 Captopril disulfide
CAS No. 64806-05-09
C18H28N2O6S2 M.W. 432.56
C-171
Captopril disulfide
Captopril Impurity O
C21H34N2O6S2 M.W. 474.64
C-1710
Captopril Impurity O		 Captopril
CAS No. 62571-86-2
C9H15NO3S M.W. 217.29
C-172
Captopril
Captopril-d3
C9H12NO3SD3 M.W. 220.31
C-173
Captopril-d3		 Captopril Impurity F
CAS No. N/A
C9H15NO3S M.W. 217.29
C-174
Captopril Impurity F
Captopril Impurity N
C8H14O4S2 M.W. 238.33
C-175
Captopril Impurity N		 Captopril Impurity H
C15H23NO5S2 M.W. 361.48
C-176
Captopril Impurity H
Captopril Impurity I
C18H28N2O5S2 M.W. 416.56
C-177
Captopril Impurity I		 Captopril Impurity L
C19H30N2O6S2 M.W. 446.59
C-178
Captopril Impurity L
Captopril Impurity M
C13H21NO5S2 M.W. 335.44
C-179
Captopril Impurity M		 Caffeine
C8H10N4O2 M.W. 194.19
C-181
Caffeine
Caffeine-d3
(7-methyl-d3)
CAS No. 26351-04-2
C8H7N4O2D3 M.W. 197.21
C-182
Caffeine-d3		 Caffeine-d9
CAS No. 72238-85-8
C8HN4O2D9 M.W. 203.25
C-183
Caffeine-d9
Caffeine Impurity C
C8H10N4O2 M.W. 194.19
C-184
Caffeine Impurity C		 Caffeine Impurity E
C7H12N4O M.W. 168.20
C-185
Caffeine Impurity E
Caffeine Impurity F
C7H8N4O2 M.W. 180.17
C-186
Caffeine Impurity F		 Carbamazepine-d10
CAS No. 132183-78-9
C15H2N2OD10 M.W. 246.33
C-191
Carbamazepine-d10
Eslicarbazepine
C15H14N2O2 M.W. 254.29
C-1910
Eslicarbazepine		 10-Keto-iminodibenzyl
CAS No. 21737-58-6
C14H11NO M.W. 209.25
C-1911
10-Keto-iminodibenzyl
Carbamazepine-10, 11-epoxide-d10
(11-epoxide-d10)
C15H2N2O2D10 M.W. 262.33
C-192
Carbamazepine-10, 11-epoxide-d10		 Carbamazepine-10,11-epoxide
C15H12N2O2 M.W. 252.28
C-193
Carbamazepine-10,11-epoxide
10-Methoxy Carbamazepine
CAS No. 28721-09-7
C16H14N2O2 M.W. 266.30
C-194
10-Methoxy Carbamazepine		 rac-10,11-Dihydro-10,11-dihydroxycarbamazepine-d10
C15H4N2O3D10 M.W. 280.35
C-196
rac-10,11-Dihydro-10,11-dihydroxycarbamazepine-d10
10,11 - Dihydro-10,11-Dihydroxy Carbamazepine (mixture of isomers)
C15H14N2O3 M.W. 270.29
C-197
10,11 - Dihydro-10,11-Dihydroxy Carbamazepine (mixture of isomers)		 10-Methoxyiminostilbene
CAS No. 4698-11-7
C15H13NO M.W. 223.28
C-198
10-Methoxyiminostilbene
Carbamazepine
CAS No. 298-46-4
C15H12N2O M.W. 236.28
C-199
Carbamazepine		 2-[4-[(4-Chlorophenyl)phenyl methyl]-1-piperazinyl]ethanol
C19H23ClN2O M.W. 330.86
C-2001
2-[4-[(4-Chlorophenyl)phenyl methyl]-1-piperazinyl]ethanol
Cetirizine-d4
CAS No. 130018-77-8
C21H25ClN2O3.2 HCl M.W. 388.90 2 36.46
C-201
Cetirizine-d4		 Cetirizine Impurity C
CAS No. NA
C21H25ClN2O3 M.W. 388.90
C-2010
Cetirizine Impurity C
Cetirizine Impurity E
CAS No. NA
C23H29ClN2O4 M.W. 432.95
C-2011
Cetirizine Impurity E		 Cetirizine Impurity G
CAS No. NA
C19H23ClN2O M.W. 330.86
C-2012
Cetirizine Impurity G
Cetirizine Impurity-6
CAS No. NA
C11H14Cl2O2S M.W. 281.20
C-2013
Cetirizine Impurity-6		 Cetirizine Impurity-7
CAS No. NA
C23H23ClN2O2S M.W. 426.97
C-2014
Cetirizine Impurity-7
Cetirizine Impurity-8
CAS No. NA
C21H26ClN3O2 M.W. 387.91
C-2015
Cetirizine Impurity-8		 Cetirizine Impurity (4-Chlorobenzophenone)
C13H9ClO M.W. 216.67
C-2016
Cetirizine Impurity (4-Chlorobenzophenone)
Cetirizine Lactose Ester
C33H45ClN2O13 M.W. 713.19
C-2017
Cetirizine Lactose Ester		 Deschloro Cetirizine Dihydrochloride
CAS No. 83881-54-3
C21H26N2O3 . HCl M.W. 354.45 36.46
C-2018
Deschloro Cetirizine Dihydrochloride
Cetirizine Methyl Ester
C22H27ClN2O3 M.W. 402.93
C-2019
Cetirizine Methyl Ester		 (S)-Cetirizine
(Dextrocetirizine)
CAS No. 130018-76-7
C21H25ClN2O3.2 HCl M.W. 388.90 2 36.46
C-202
(S)-Cetirizine
4-Chloro Benzhydrol
C13H11ClO M.W. 218.69
C-2020
4-Chloro Benzhydrol		 Cetirizine Impurity D
C30H28Cl2N2 . 2 HCl M.W. 487.48 2 36.46
C-2021
Cetirizine Impurity D
Cetirizine Related Compound
CAS No. 108983-83-1
C19H24N2O 2HCl M.W. 296.42 2x36.46
C-2022
Cetirizine Related Compound		 Cetirizine Propanediol Ester Impurity
CAS No. N/A
C24H31ClN2O4 M.W. 446.98
C-2023
Cetirizine Propanediol Ester Impurity
Cetirizine Glycerol Ester Impurity
CAS No. N/A
C24H31ClN2O5 M.W. 462.98
C-2024
Cetirizine Glycerol Ester Impurity		 Cetirizine Related Compound D
CAS No. N/A
C22H27ClN2O3 M.W. 402.93
C-2025
Cetirizine Related Compound D
Cetirizine diHCl
CAS No. 83881-52-1
C21H25ClN2O3. 2 HCl M.W. 388.90 2 36.46
C-2026
Cetirizine diHCl		 (S)-Cetirizine-d4
(Dextrocetirizine-d4)
CAS No. 130018-76-7(non-d)
C21H25ClN2O3.2 HCl M.W. 388.90 2 36.46
C-203
(S)-Cetirizine-d4
(R)-(-)-Cetirizine
(Levocetirizine)
CAS No. 130018-77-8
C21H25ClN2O3.2 HCl M.W. 388.90 2 36.46
C-204
(R)-(-)-Cetirizine		 (R)-Cetirizine-d4
(Levocetirizine-d4)
CAS No. 130018-77-8(non-d)
C21H25ClN2O3.2 HCl M.W. 388.90 2 36.46
C-205
(R)-Cetirizine-d4
Cetirizine-d8
C21H17ClN2O3D8.2 HCl M.W. 396.95 2 36.46
C-206
Cetirizine-d8		 (R)-(-)-Cetirizine Dihydrochloride
C21H25ClN2O3.2 HCl M.W. 388.90 2 36.46
C-207
(R)-(-)-Cetirizine Dihydrochloride
Cetirizine Impurity A
CAS No. NA
C17H19ClN2 M.W. 286.81
C-208
Cetirizine Impurity A		 Cetirizine Impurity B
CAS No. NA
C19H21ClN2O2 M.W. 344.84
C-209
Cetirizine Impurity B
(s)-(-)-Carbidopa-d3
C10H11N2O4D3 M.W. 229.25
C-211
(s)-(-)-Carbidopa-d3		 Carbidopa
C10H14N2O4 M.W. 226.23
C-212
Carbidopa
Carbidopa-d6
CAS No. N/A
C10H8N2O4D6 M.W. 232.27
C-213
Carbidopa-d6		 6-Hydroxy Chlorzoxazone
CAS No. 1750-45-4
C7H4ClNO3 M.W. 185.57
C-221
6-Hydroxy Chlorzoxazone
6-Hydroxy Chlorzoxazone-d2
CAS No. 1750-45-4(non-d)
C7H2ClNO3D2 M.W. 187.58
C-222
6-Hydroxy Chlorzoxazone-d2		 Chlorzoxazone-d3
CAS No. 95-25-0(non-d)
C7HClNO2D3 M.W. 172.59
C-223
Chlorzoxazone-d3
6-Hydroxy Chlorzoxazone-15N-d2
CAS No. 1750-45-4 (non-d)
C7H2ClNO3D2 M.W. 188.57
C-224
6-Hydroxy Chlorzoxazone-15N-d2		 Chlorzoxazone
C7H4ClNO2 M.W. 169.57
C-225
Chlorzoxazone
Chlorpyriphos-d10
CAS No. 39475-55-3 (non-d)
C9HCl3NO3PSD10 M.W. 360.65
C-231
Chlorpyriphos-d10		 Clofibric acid-d4
CAS No. 882-09-7 (non-d)
C10H7ClO3D4 M.W. 218.67
C-241
Clofibric acid-d4
Clofibrate-d4
CAS No. 637-07-0 (non-d)
C10H7ClO3D4 M.W. 246.73
C-242
Clofibrate-d4		 Clonidine-d4 HCl
CAS No. 67151-02-4(non-d)
C9H5Cl2N3D4.HCl M.W. 34.12 36.46
C-251
Clonidine-d4 HCl
4-Hydroxy Clonidine
CAS No. 57101-48-1
C9H9Cl2N3O M.W. 246.10
C-252
4-Hydroxy Clonidine		 Clotrimazole-d5
CAS No. 23593-75-1 (non-d)
C22H12ClN2D5 M.W. 349.87
C-261
Clotrimazole-d5
1-(2-Chlorophenyl-diphenylmethyl)-1H-pyrazole
CAS No. 289905-88-0
C22H17ClN2 M.W. 344.85
C-2610
1-(2-Chlorophenyl-diphenylmethyl)-1H-pyrazole		 2-Chlorophenyl-phenyl-dichloromethane
CAS No. 3509-85-1
C13H9N3 M.W. 271.58
C-2611
2-Chlorophenyl-phenyl-dichloromethane
2-Chlorophenyl-diphenylmethane
CAS No. 56153-60-7
C19H15Cl M.W. 278.78
C-2612
2-Chlorophenyl-diphenylmethane		 Clotrimazole
CAS No. 23593-75-1
C22H17ClN2 M.W. 344.85
C-262
Clotrimazole
Clotrimazole Impurity A
CAS No. 66774-02-5
C19H15ClO M.W. 294.78
C-263
Clotrimazole Impurity A		 Clotrimazole Impurity B
CAS No. 23593-71-7
C22H17ClN2 M.W. 344.85
C-264
Clotrimazole Impurity B
Clotrimazole Impurity C
CAS No. 42074-68-0
C19H14Cl2 M.W. 313.23
C-265
Clotrimazole Impurity C		 Clotrimazole Impurity E
CAS No. 5162-03-8
C13H9ClO M.W. 216.67
C-266
Clotrimazole Impurity E
Clotrimazole Impurity F
CAS No. 15469-97-3
C22H18N2 M.W. 310.40
C-267
Clotrimazole Impurity F		 2-Chlorophenyl-trichloromethane
CAS No. 2136-89-2
C7H4Cl4 M.W. 229.92
C-268
2-Chlorophenyl-trichloromethane
Cortisone-d2
CAS No. 53-06-5 (non-d)
C21H26O5D2 M.W. 362.47
C-271
Cortisone-d2		 20-beta-Dihydrocortisol-d4
CAS No. N/A
C21H28O5D4 M.W. 368.51
C-2710
20-beta-Dihydrocortisol-d4
Hydroxycortisone Impurity D
CAS No. N/A
C21H30O6 M.W. 378.47
C-2711
Hydroxycortisone Impurity D		 Hydroxycortisone Impurity H
CAS No. N/A
C21H30O6 M.W. 378.47
C-2712
Hydroxycortisone Impurity H
Hydroxycortisone Impurity I
CAS No. 103795-84-2
C21H30O6 M.W. 378.47
C-2713
Hydroxycortisone Impurity I		 Hydroxycortisone Impurity M
CAS No. N/A
C21H30O5 M.W. 362.47
C-2714
Hydroxycortisone Impurity M
Hydroxycortisone Impurity N
CAS No. N/A
C42H58O10 M.W. 722.92
C-2715
Hydroxycortisone Impurity N		 Hydroxycortisone Impurity O
CAS No. N/A
C21H30O6 M.W. 378.47
C-2716
Hydroxycortisone Impurity O
Cortisol-d2
(Hydrocortisone-d2)
CAS No. 50-23-7(non-d)
C21H28O5D2 M.W. 364.48
C-272
Cortisol-d2		 Cortisol-d4
(Hydrocortisone-d4)
CAS No. 50-23-7(non-d)
C21H26O5D4 M.W. 366.49
C-273
Cortisol-d4
11-Deoxycortisol-d2
CAS No. NA
C21H28O4D2 M.W. 348.48
C-274
11-Deoxycortisol-d2		 Tetrahydro-11-deoxy Cortisol
C21H34O4 M.W. 350.50
C-275
Tetrahydro-11-deoxy Cortisol
Tetrahydro-11-deoxy Cortisol-d5
C21H29O4D5 M.W. 355.53
C-276
Tetrahydro-11-deoxy Cortisol-d5		 Cortisol-d5
CAS No. N/A
C21H25O5D5 M.W. 367.50
C-277
Cortisol-d5
20-beta-Dihydrocortisol
CAS No. 116-58-5
C21H32O5 M.W. 364.49
C-278
20-beta-Dihydrocortisol		 20-beta-Dihydrocortisol-d5
CAS No. N/A
C21H27O5D5 M.W. 369.52
C-279
20-beta-Dihydrocortisol-d5
Cyproterone Acetate Impurity F (Cyproterone)
CAS No. 2098-66-0
C22H27ClO3 M.W. 374.91
C-281
Cyproterone Acetate Impurity F (Cyproterone)		 Cyproterone Impurity I
CAS No. 13698-49-2
C23H27ClO4 M.W. 402.92
C-2810
Cyproterone Impurity I
Cyproterone Impurity E
C24H30O5 M.W. 398.50
C-2811
Cyproterone Impurity E		 Cyproterone Impurity B
C25H32O5 M.W. 412.53
C-2812
Cyproterone Impurity B
Cyproterone Impurity G
C24H31ClO5 M.W. 434.96
C-2813
Cyproterone Impurity G		 Cyproterone Impurity C
C24H30Cl2O4 M.W. 453.41
C-2814
Cyproterone Impurity C
Cyproterone Impurity A
C24H30O4 M.W. 382.50
C-2815
Cyproterone Impurity A		 Cyproterone Impurity J
CAS No. 15423-97-9
C24H30O5 M.W. 398.50
C-2816
Cyproterone Impurity J
Cyproterone-d5
CAS No. 2098-66-0 (non-d)
C24H26ClO3D5 M.W. 407.97
C-282
Cyproterone-d5		 Cyproterone acetate
CAS No. 427-51-0
C26H33ClO4 M.W. 445.00
C-283
Cyproterone acetate
Cyproterone acetate-13C2-d3
CAS No. 427-51-0 (non-d)
C26H30ClO4D3 M.W. 450.02
C-284
Cyproterone acetate-13C2-d3		 Cyproterone acetate-d5
CAS No. 427-51-0 (non-d)
C26H28ClO4D5 M.W. 450.02
C-285
Cyproterone acetate-d5
15-Hydroxy cyproterone
C24H31ClO4 M.W. 418.97
C-286
15-Hydroxy cyproterone		 15-Hydroxy cyproterone acetate
C26H33ClO5 M.W. 461.00
C-287
15-Hydroxy cyproterone acetate
Cyproterone Acetate-d3
C24H26ClO4D3 M.W. 419.97
C-288
Cyproterone Acetate-d3		 15-beta-Hydroxy Cyproterone
CAS No. 65423-26-9
C24H29ClO5 M.W. 432.95
C-289
15-beta-Hydroxy Cyproterone
Creatinine-d3
CAS No. 143827-20-7(non-d)
C4H4N3OD3 M.W. 116.14
C-291
Creatinine-d3		 Cyanazine-d5
C9H8ClN6D5 M.W. 245.73
C-301
Cyanazine-d5
Cyclobenzaprine-d3 HCl
CAS No. 352431-15-3
C20H18ND3.HCl M.W. 278.42 36.46
C-311
Cyclobenzaprine-d3 HCl		 Cyclobenzaprine Related Compound A
CAS No. 18029-54-4
C20H23NO M.W. 293.41
C-3110
Cyclobenzaprine Related Compound A
3-Hydroxy Cyclobenzaprine
CAS No. 30235-48-4
C20H21NO M.W. 291.40
C-3112
3-Hydroxy Cyclobenzaprine		 3,5-Dihydroxy-N-Methylprotriptyline
CAS No. 30235-47-3
C20H23NO2 M.W. 309.40
C-3113
3,5-Dihydroxy-N-Methylprotriptyline
Cyclobenzaprine
CAS No. 303-53-7
C20H21N M.W. 275.40
C-312
Cyclobenzaprine		 Cyclobenzaprine-13C-d3
CAS No. 303-53-7(non-d)
C20H18ND3 M.W. 279.40
C-313
Cyclobenzaprine-13C-d3
Cyclobenzaprine N-Glucuronide (mixture of isomers)
C26H29NO6 M.W. 451.52
C-314
Cyclobenzaprine N-Glucuronide (mixture of isomers)		 Cyclobenzaprine-N-oxide
C20H21NO M.W. 291.40
C-315
Cyclobenzaprine-N-oxide
N-Desmethyl Cyclobenzaprine-d3 HCl
C19H16ND3. HCl M.W. 264.39 36.46
C-316
N-Desmethyl Cyclobenzaprine-d3 HCl		 N-Desmethyl Cyclobenzaprine HCl
C19H19N.HCl M.W. 261.37 36.46
C-317
N-Desmethyl Cyclobenzaprine HCl
Cyclobenzaprine-d6 HCl
C20H15ND6.HCl M.W. 281.43 36.46
C-318
Cyclobenzaprine-d6 HCl		 Cyclobenzaprine-N-Glucuronide-d3 (mixture of isomers) Bromide
C26H27NO6D3.Br M.W. 455.55 79.90
C-319
Cyclobenzaprine-N-Glucuronide-d3 (mixture of isomers) Bromide
Clauvanic Acid Impurity A
C8H12N2O2 M.W. 168.20
C-321
Clauvanic Acid Impurity A		 Clauvanic Acid Impurity B
C11H16N2O4 M.W. 240.26
C-322
Clauvanic Acid Impurity B
Clauvanic Acid Impurity C
C10H16N2O2 M.W. 196.25
C-323
Clauvanic Acid Impurity C		 Clauvanic Acid Impurity D
C7H9NO3 M.W. 155.15
C-324
Clauvanic Acid Impurity D
Clauvanic Acid Impurity E
C16H18N2O10 M.W. 398.33
C-325
Clauvanic Acid Impurity E		 Clauvanic Acid Impurity F
C13H14N2O5 M.W. 278.27
C-326
Clauvanic Acid Impurity F
Clauvanic Acid Impurity G
C26H26N2O11 M.W. 542.50
C-327
Clauvanic Acid Impurity G		 Chlorguanide (Proguanil)
CAS No. 500-92-5
C11H16ClN5 M.W. 253.74
C-331
Chlorguanide (Proguanil)
Chlorguanide-d6 HCl
CAS No. 500-92-5 (non-d)
C11H10ClN5D6.HCl M.W. 259.77 36.46
C-332
Chlorguanide-d6 HCl		 Chlorguanide Impurity A (Proguanil Impurity A)
CAS No. 44830-55-9
C5H10N4 M.W. 126.16
C-333
Chlorguanide Impurity A (Proguanil Impurity A)
Cycloguanil
CAS No. 516-21-2
C11H14ClN5 M.W. 251.72
C-341
Cycloguanil		 Cycloguanil-d6
CAS No. 516-21-2 (non-d)
C11H8ClN5D6 M.W. 257.76
C-342
Cycloguanil-d6
Capecitabine-d11
CAS No. 154361-50-9 (non-d)
C15H11FN3O6D11 M.W. 370.42
C-351
Capecitabine-d11		 3’-(5’-Deoxy-Alfa-D-ribofuranoyl) Capecitabine
CAS No. 1262133-68-5
C20H30FN3O9 M.W. 475.48
C-3510
3’-(5’-Deoxy-Alfa-D-ribofuranoyl) Capecitabine
Capecitabine impurity E
CAS No. 910129-15-6
C15H22FN3O6 M.W. 359.36
C-3511
Capecitabine impurity E		 Capecitabine impurity F
CAS No. 162204-30-0
C15H22FN3O6 M.W. 359.36
C-3512
Capecitabine impurity F
alpha-Capecitabine
C15H22FN3O6 M.W. 359.36
C-3513
alpha-Capecitabine		 Capecitabine
CAS No. 154361-50-9
C15H11FN3O6D11 M.W. 359.36
C-352
Capecitabine
5'-DFCR (5'-Deoxy-5-fluorocytidine)
CAS No. 66335-38-4
C9H12FN3O4 M.W. 245.21
C-353
5'-DFCR (5'-Deoxy-5-fluorocytidine)		 5'-DFUR (5'-Deoxy-5-fluorouridine, Doxifluridine)
CAS No. 3094-09-5
C9H11FN2O5 M.W. 246.20
C-354
5'-DFUR (5'-Deoxy-5-fluorouridine, Doxifluridine)
5'-DFUR-13C5 (5'-Deoxy-5-fluorouridine, Doxifluridine-13C5)
CAS No. 3094-09-5 (non-labeled)
C9H11FN2O5 M.W. 251.22
C-355
5'-DFUR-13C5 (5'-Deoxy-5-fluorouridine, Doxifluridine-13C5)		 2-Deoxy-5-fluorouridine (Floxuridine)
CAS No. 50-91-9
C9H11FN2O5 M.W. 246.20
C-356
2-Deoxy-5-fluorouridine (Floxuridine)
Tetrahydrouridine
CAS No. 18771-50-1
C9H11FN2O5 M.W. 246.20
C-357
Tetrahydrouridine		 3’-(5’-Deoxy-Beta-D-ribofuranoyl) Capecitabine
CAS No. 1262133-64-1
C20H30FN3O9 M.W. 475.48
C-358
3’-(5’-Deoxy-Beta-D-ribofuranoyl) Capecitabine
2’-(5’-Deoxy-Beta-D-ribofuranoyl) Capecitabine
CAS No. 1262133-66-3
C20H30FN3O9 M.W. 475.48
C-359
2’-(5’-Deoxy-Beta-D-ribofuranoyl) Capecitabine		 Colchicine-13C-d3
CAS No. 64-86-8-9 (non-d)
C22H22NO6D3 M.W. 403.45
C-361
Colchicine-13C-d3
Clarithromycin-13C-d3
CAS No. 81103-11-9 (non-d)
C38H66NO13D3 M.W. 751.98
C-371
Clarithromycin-13C-d3		 Clarithromycin Impurity C
CAS No. 103450-87-9
C38H70N2O13 M.W. 762.99
C-3710
Clarithromycin Impurity C
14-Hydroxy clarithromycin-13C-d3
C38H66NO14D3 M.W. 767.98
C-372
14-Hydroxy clarithromycin-13C-d3		 N-Desmethyl Clarithromycin
C37H67NO13 M.W. 733.95
C-373
N-Desmethyl Clarithromycin
Clarithromycin
C38H69NO13 M.W. 747.97
C-374
Clarithromycin		 Clarithromycin N-Oxide
C38H69NO14 M.W. 763.97
C-375
Clarithromycin N-Oxide
Clarithromycin Impurity F
C39H72NO13 M.W. 763.01
C-376
Clarithromycin Impurity F		 Clarithromycin Impurity G
C39H72N2O13 M.W. 777.01
C-377
Clarithromycin Impurity G
Clarithromycin Impurity H
C38H69NO13 M.W. 747.97
C-378
Clarithromycin Impurity H		 Clarithromycin Impurity E
C39H71NO13 M.W. 762.00
C-379
Clarithromycin Impurity E
Cinnarizine
CAS No. 298-57-7
C26H28N2 M.W. 368.53
C-381
Cinnarizine		 Cinnarizine-d8
CAS No. 298-57-7 (non-d)
C26H20N2D8 M.W. 376.58
C-382
Cinnarizine-d8
Cinnarizine Impurity A
C17H20N2 M.W. 252.36
C-383
Cinnarizine Impurity A		 Cinnarizine Impurity B
C26H28N2 M.W. 368.53
C-384
Cinnarizine Impurity B
Cinnarizine Impurity C
C35H37N2Cl M.W. 521.13
C-385
Cinnarizine Impurity C		 Cinnarizine Impurity D
C35H36N2 M.W. 484.69
C-386
Cinnarizine Impurity D
(Z)-Cinnarizine-d8
C26H20D8N2 M.W. 376.56
C-387
(Z)-Cinnarizine-d8		 Cinnarizine Impurity E
CAS No. N/A
C30H30N2 M.W. 418.39
C-388
Cinnarizine Impurity E
Cinacalcet (R-Enantiomer)
CAS No. 226256-56-0
C22H22F3N M.W. 357.42
C-401
Cinacalcet (R-Enantiomer)		 Cinacalcet Impurity 3
C22H22F3N M.W. 357.42
C-4010
Cinacalcet Impurity 3
Cinacalcet Impurity 4
C22H20F3N M.W. 355.41
C-4011
Cinacalcet Impurity 4		 Cinacalcet Impurity 5
C22H24F3N M.W. 359.44
C-4012
Cinacalcet Impurity 5
Cinacalcet Impurity 6
C10H9F3 M.W. 186.18
C-4013
Cinacalcet Impurity 6		 Cinacalcet Impurity 7
C11H13F3O3S M.W. 282.28
C-4014
Cinacalcet Impurity 7
Cinacalcet Impurity 8
C32H31F6N M.W. 543.60
C-4015
Cinacalcet Impurity 8		 Cinacalcet Impurity 9
C22H25N M.W. 303.45
C-4016
Cinacalcet Impurity 9
Cinacalcet Impurity 10
C22H22F3N M.W. 357.42
C-4017
Cinacalcet Impurity 10		 Cinacalcen Dihydro Impurity 1
CAS No. N/A
C22H24F3N HCl M.W. 359.44 36.46
C-4018
Cinacalcen Dihydro Impurity 1
Cinacalcen Dihydro Impurity 2
CAS No. N/A
C22H24F3N HCl M.W. 359.44 36.46
C-4019
Cinacalcen Dihydro Impurity 2		 Cinacalcet-d3 (R-Enantiomer)
CAS No. 226256-56-0 (non-d)
C22H19F3ND3 M.W. 360.44
C-402
Cinacalcet-d3 (R-Enantiomer)
rac Cinacalcet-d3 (methyl-d3) Hydrochloride
CAS No. 364782-34-3 (non-d)
C22H22F3N2 HCl M.W. 396.90
C-403
rac Cinacalcet-d3 (methyl-d3) Hydrochloride		 rac Cinacalcet HCl
C22H22F3N . HCl M.W. 357.42 36.46
C-404
rac Cinacalcet HCl
Tetrahydro Cinacalcet Impurity
C22H26F3N M.W. 361.45
C-405
Tetrahydro Cinacalcet Impurity		 Cinacalcet N-Oxide Impurity
CAS No. 1229224-94-5
C22H21F3NO M.W. 372.41
C-406
Cinacalcet N-Oxide Impurity
(R)-alpha-Methyl-N-[3-[3-(trifluoromethyl)phenyl]methyl]-1-naphthalenemethaneamine
C20H18F3N M.W. 329.37
C-407
(R)-alpha-Methyl-N-[3-[3-(trifluoromethyl)phenyl]methyl]-1-naphthalenemethaneamine		 (alphaS)-alpha-Methyl-N-[3-[3-(trifluoromethyl)phenyl)propyl]-1-napthalenemethanamine Hydrochloride
C22H22F3N . HCl M.W. 357.42 36.46
C-408
(alphaS)-alpha-Methyl-N-[3-[3-(trifluoromethyl)phenyl)propyl]-1-napthalenemethanamine Hydrochloride
Cystine-d4
CAS No. 56-89-3 (non-d)
C6H8N2O4S2D4 M.W. 244.33
C-411
Cystine-d4		 Taurochenodeoxycholic Acid
C26H45NO6S M.W. 499.72
C-421
Taurochenodeoxycholic Acid
Chenodeoxycholic-2,2,4,4-D4 Acid
C24H36O4D4 M.W. 396.61
C-422
Chenodeoxycholic-2,2,4,4-D4 Acid		 Taurochenodeoxycholic-2,2,4,4-D4 Acid
C26H41NO6SD4 M.W. 503.74
C-423
Taurochenodeoxycholic-2,2,4,4-D4 Acid
Cimetidine-d3
C10H13N6SD3 M.W. 255.36
C-431
Cimetidine-d3		 Cimetidine
CAS No. 51481-61-9
C10H16N6S M.W. 252.34
C-432
Cimetidine
Cimetidine Sulphoxide Dihydrochloride
CAS No. 54237-72-8
C10H16N6OS 2HCl M.W. 268.34 2x36.46
C-433
Cimetidine Sulphoxide Dihydrochloride		 Cimetidine Impurity D
CAS No. N/A
C9H17N5S M.W. 227.33
C-434
Cimetidine Impurity D
Cyromazin-d4
C6H6N6D4 M.W. 170.21
C-441
Cyromazin-d4		 Cytidine-d2
C9H11N3O5D2 M.W. 245.23
C-451
Cytidine-d2
5-Aza-2'-deoxy cytidine-15N4
C8H12N4O4 M.W. 232.18
C-452
5-Aza-2'-deoxy cytidine-15N4		 Carebastine
CAS No. 90729-42-3
C32H37NO4 M.W. 499.66
C-461
Carebastine
Carebastine-d5
CAS No. 90729-42-3 (non-d)
C32H32NO4D5 M.W. 504.69
C-462
Carebastine-d5		 Cephalexin
CAS No. 15686-71-2
C16H17N3O4S M.W. 347.40
C-471
Cephalexin
Cephalexin Impurity E
CAS No. 146794-70-9
C13H18N2O4S M.W. 298.36
C-4710
Cephalexin Impurity E		 Cephalexin Impurity F
CAS No. N/A
C16H17N3O4S M.W. 347.40
C-4711
Cephalexin Impurity F
Cephalexin Impurity J
C16H17N3O5S M.W. 363.39
C-4712
Cephalexin Impurity J		 Cephalexin Impurity K
C24H24N4O5S.CH2O2 M.W. 480.55 46.03
C-4713
Cephalexin Impurity K
Cephalexin Diketopiperazine
CAS No. 59865-11-1
C16H17N3O4S M.W. 347.40
C-4714
Cephalexin Diketopiperazine		 Cephalexin Impurity A (D-Phenylglycine)
CAS No. N/A
C8H9NO2 M.W. 151.17
C-4715
Cephalexin Impurity A (D-Phenylglycine)
Cephalexin-d5
CAS No. 15686-71-2 (non-d)
C16H12N3O4SD5 M.W. 352.43
C-472
Cephalexin-d5		 Cephalexin Sulfoxide
CAS No. 52210-38-5
C16H17N3O5S M.W. 363.39
C-473
Cephalexin Sulfoxide
L-Cephalexin
CAS No. 34632-04-7
C16H17N3O4S M.W. 347.40
C-474
L-Cephalexin		 N-Ethoxycarbonyl-7-ADCA
CAS No. 72820-16-7
C11H14N2O5S M.W. 286.31
C-475
N-Ethoxycarbonyl-7-ADCA
Cephalexin Phenylglycin
C24H24N4O5S M.W. 480.55
C-476
Cephalexin Phenylglycin		 Cephalexin Dimer
C32H32N6O7S2 M.W. 676.78
C-477
Cephalexin Dimer
Cephalexin Impurity C
CAS No. N/A
C24H24N4O5S M.W. 480.55
C-478
Cephalexin Impurity C		 Cephalexin Impurity D
CAS No. N/A
C5H6O2S M.W. 130.17
C-479
Cephalexin Impurity D
Chlorpheniramine-d4 maleate
CAS No. 113-92-8 (non-d)
C16H15ClN2D4.C4H4O4 M.W. 278.82 116.07
C-481
Chlorpheniramine-d4 maleate		 Chlorpheniramine N-Oxide HCl
C16H19ClN2O.HCl M.W. 290.80 36.46
C-482
Chlorpheniramine N-Oxide HCl
Chlorpheniramine-d6 Maleate
C16H13ClN2D6.C4H4O4 M.W. 280.83 116.07
C-483
Chlorpheniramine-d6 Maleate		 S-(+)-Chlorpheniramine Maleate
C16H19ClN2.C4H4O4 M.W. 274.80 116.07
C-484
S-(+)-Chlorpheniramine Maleate
R-(-)-Chlorpheniramine Maleate
C16H19ClN2.C4H4O4 M.W. 274.80 116.07
C-485
R-(-)-Chlorpheniramine Maleate		 Chlorpheniramine Maleate
C16H19ClN2. C4H4O4 M.W. 274.80 116.07
C-486
Chlorpheniramine Maleate
Chlorpheniramine Impurity D Maleate
C17H18ClN3. C4H4O4 M.W. 299.81 116.07
C-487
Chlorpheniramine Impurity D Maleate		 Chlorphenamine Impurity A Dimaleate
C16H24ClN3. 2 C4H4O4 M.W. 293.84 2 116.07
C-488
Chlorphenamine Impurity A Dimaleate
1-(3-chlorophenyl)-piperazine (m-CPP)
C10H13ClN2 M.W. 196.68
C-491
1-(3-chlorophenyl)-piperazine (m-CPP)		 1-(3-chlorophenyl)-piperazine-d8 (m-CPP-d8)
C10H5ClN2D8 M.W. 204.73
C-492
1-(3-chlorophenyl)-piperazine-d8 (m-CPP-d8)
Clindamycin-13C-d3
C18H30ClN2O5SD3 M.W. 429.00
C-501
Clindamycin-13C-d3		 Clindamycin sulfoxide
C18H33ClN2O6S M.W. 440.99
C-502
Clindamycin sulfoxide
Clindamycin 3-Phosphate
C18H34ClN2O8PS M.W. 504.97
C-503
Clindamycin 3-Phosphate		 Clindamycin 4-Phosphate
C18H34ClN2O8PS M.W. 504.97
C-504
Clindamycin 4-Phosphate
Cholecalciferol-d7
CAS No. 67-97-0 (non-d)
C27H37OD7 M.W. 391.69
C-511
Cholecalciferol-d7		 25-Hydroxycholecalciferol
C27H44O2 M.W. 400.65
C-512
25-Hydroxycholecalciferol
25-hydroxycholecalciferol-d6
C27H38O3D6 M.W. 422.69
C-513
25-hydroxycholecalciferol-d6		 Cholecalciferol glucuronide
C33H52O7 M.W. 560.78
C-514
Cholecalciferol glucuronide
Cholecalciferol sulfate
C27H44O4S M.W. 464.71
C-515
Cholecalciferol sulfate		 Cefprozil
CAS No. 92665-29-7
C18H19N3O5S M.W. 389.43
C-521
Cefprozil
Cefprozil-d4
CAS No. 92665-29-7 (non-d)
C18H15N3O5SD4 M.W. 393.46
C-522
Cefprozil-d4		 Cholesterol-d7
C27H39OD7 M.W. 393.71
C-531
Cholesterol-d7
20(R), 22(R)-Dihydroxy Cholesterol
CAS No. 53448-11-6
C27H46O3 M.W. 418.67
C-5310
20(R), 22(R)-Dihydroxy Cholesterol		 Cholestane-3β,5α,6β-triol
CAS No. 1253-84-5
C27H48O3 M.W. 420.68
C-5311
Cholestane-3β,5α,6β-triol
Cholestane-3β,5α,6β-triol-d5
C27H43O3D5 M.W. 425.71
C-5312
Cholestane-3β,5α,6β-triol-d5		 7a,12a-Dihydroxycholest-4-en-3-one-d3
CAS No. N/A
C27H41O3D3 M.W. 419.67
C-5313
7a,12a-Dihydroxycholest-4-en-3-one-d3
22-alpha-Hydroxy Cholesterol
CAS No. 17954-98-2
C27H46O2 M.W. 402.67
C-5314
22-alpha-Hydroxy Cholesterol		 Cholesterol-d4
C27H42OD4 M.W. 390.69
C-532
Cholesterol-d4
Cholesterol-d6
C27H40OD6 M.W. 392.71
C-533
Cholesterol-d6		 4-Hydroxy Cholesterol
C27H46O2 M.W. 402.67
C-534
4-Hydroxy Cholesterol
4-Hydroxy Cholesterol-d7
C27H39O2D7 M.W. 409.71
C-535
4-Hydroxy Cholesterol-d7		 27-Hydroxy 7-ketocholesterol
C27H44O3 M.W. 416.65
C-536
27-Hydroxy 7-ketocholesterol
27-Hydroxy 7-ketocholesterol-d10
C27H34O3D10 M.W. 426.71
C-537
27-Hydroxy 7-ketocholesterol-d10		 27-Carboxy 7-Ketocholesterol
C27H42O4 M.W. 430.63
C-538
27-Carboxy 7-Ketocholesterol
27-Carboxy 7-Ketocholesterol-d10
C27H32O4D10 M.W. 440.69
C-539
27-Carboxy 7-Ketocholesterol-d10		 Cyclosporine
C62H111N11O12 M.W. 1202.64
C-541
Cyclosporine
Cyclosporin D
C63H113N11O12 M.W. 1216.67
C-542
Cyclosporin D		 Cotinine
C10H12N2O M.W. 176.22
C-551
Cotinine
Norcotinine
C9H10N2O M.W. 162.19
C-552
Norcotinine		 Norcotinine N-Oxide
C9H10N2O2 M.W. 178.19
C-553
Norcotinine N-Oxide
Cotinine-d4
CAS No. 110952-70-0 (non-d)
C10H8N2OD4 M.W. 180.24
C-554
Cotinine-d4		 Cotinine-d7
C10H5N2OD7 M.W. 183.28
C-555
Cotinine-d7
Cotinine N-Oxide
C10H12N2O2 M.W. 192.22
C-556
Cotinine N-Oxide		 Cotinine N-glucuronide
C16H20N2O7 M.W. 352.35
C-557
Cotinine N-glucuronide
Cotinine-d3
CAS No. 110952-70-0(non-d)
C10H9N2OD3 M.W. 179.24
C-558
Cotinine-d3		 Lysine Clonixinate
C13H11ClN2O2.C6H14N2O2 M.W. 262.70 146.19
C-561
Lysine Clonixinate
Cholic-2,2,4,4-D4 Acid
C24H36O5D4 M.W. 412.61
C-571
Cholic-2,2,4,4-D4 Acid		 Glycochenodeoxycholic acid-d4
CAS No. N/A
C26H39NO5D4 M.W. 453.66
C-5710
Glycochenodeoxycholic acid-d4
Taurocholic-2,2,4,4-D4 Acid
C26H41NO7SD4 M.W. 519.74
C-572
Taurocholic-2,2,4,4-D4 Acid		 Taurocholic Acid
C26H45NO7S M.W. 515.72
C-573
Taurocholic Acid
Cholic Acid
C24H40O5 M.W. 408.58
C-574
Cholic Acid		 Taurodeoxycholic acid
CAS No. 516-50-7
C26H45NO6S M.W. 499.72
C-575
Taurodeoxycholic acid
Taurodeoxycholic acid-d4
CAS No. N/A
C26H41NO6SD4 M.W. 503.74
C-576
Taurodeoxycholic acid-d4		 Glycocholic acid
CAS No. 475-31-0
C26H43NO6 M.W. 465.64
C-577
Glycocholic acid
Glycocholic acid-d4
CAS No. N/A
C26H39NO6D4 M.W. 469.66
C-578
Glycocholic acid-d4		 Glycochenodeoxycholic acid
CAS No. 640-79-9
C26H43NO5 M.W. 449.64
C-579
Glycochenodeoxycholic acid
alpha-Cypermethrin
C22H19Cl2NO3 M.W. 416.31
C-581
alpha-Cypermethrin		 Choline Citrate
3(C5H14NO) C6H5O7 M.W. 501.61
C-591
Choline Citrate
Choline Citrate
3(C5H14NO) C6H5O7 M.W. 501.61
C-591
Choline Citrate		 Choline Dihydrogen Citrate
C5H14NO.C6H7O7 M.W. 104.17 191.12
C-592
Choline Dihydrogen Citrate
Carprofen
CAS No. 53716-49-7
C15H12ClNO2 M.W. 273.72
C-601
Carprofen		 Chlorambucil
CAS No. 305-03-3
C14H19Cl2NO2 M.W. 304.22
C-611
Chlorambucil
Chlorambucil-d8
CAS No. 305-03-3 (non-d)
C14H11Cl2NO2D8 M.W. 312.27
C-612
Chlorambucil-d8		 Phenylacetic acid mustard
CAS No. 10477-72-2
C12H15Cl2NO2 M.W. 276.16
C-613
Phenylacetic acid mustard
Phenylacetic acid mustard-d8
CAS No. 10477-72-2 (non-d)
C12H7Cl2NO2D8 M.W. 284.21
C-614
Phenylacetic acid mustard-d8		 3,4-Dehydrochlorambucil
CAS No. N/A
C14H17Cl2NO2 M.W. 302.20
C-615
3,4-Dehydrochlorambucil
Clocinizine
CAS No. 298-55-5
C26H27ClN2 M.W. 402.97
C-621
Clocinizine		 Clocinizine-d8
CAS No. 298-55-5 (non-d)
C26H19ClN2D8 M.W. 411.04
C-622
Clocinizine-d8
Carisoprodol-d3
CAS No. 78-44-4 (non-d)
C12H21N2O4D3 M.W. 263.35
C-631
Carisoprodol-d3		 Carisoprodol
CAS No. 78-44-4
C12H24N2O4 M.W. 260.34
C-632
Carisoprodol
Carisoprodol-d7
C12H17N2O4D7 M.W. 267.38
C-633
Carisoprodol-d7		 Carisbamate (RWJ-333369)
CAS No. 194085-75-1
C9H10ClNO3 M.W. 215.64
C-641
Carisbamate (RWJ-333369)
Carisbamate-15N-13C-d2
CAS No. 194085-75-1 (non labeled)
C9H8ClNO3D2 M.W. 219.63
C-642
Carisbamate-15N-13C-d2		 Carisbamate glucuronide (mixture of diasteromers)
CAS No. N/A
C15H18ClNO9 M.W. 391.77
C-643
Carisbamate glucuronide (mixture of diasteromers)
R-Carisbamate (RWJ-452399)
C9H10ClNO3 M.W. 215.64
C-644
R-Carisbamate (RWJ-452399)		 R-Carisbamate-15N-13C-d2
C9H8ClNO3D2 M.W. 219.63
C-645
R-Carisbamate-15N-13C-d2
R-Carisbamate glucuronide (mixture of diasteromers)
C15H18ClNO9 M.W. 391.77
C-646
R-Carisbamate glucuronide (mixture of diasteromers)		 Carisbamate-d4
CAS No. 1292841-50-9
C9H6ClNO3D4 M.W. 219.66
C-647
Carisbamate-d4
Chlormadinone Acetate
CAS No. 302-22-7
C23H29ClO4 M.W. 404.94
C-651
Chlormadinone Acetate		 3-Hydroxy Chlormadinone Acetate-d3
C22H26ClO4D3 M.W. 395.95
C-6510
3-Hydroxy Chlormadinone Acetate-d3
3-Hydroxy Chlormadinone Acetate-13C-d3
C22H26ClO4D3 M.W. 397.92
C-6511
3-Hydroxy Chlormadinone Acetate-13C-d3		 Chlormadinone-d6 Acetate
C23H23ClO4D6 M.W. 410.97
C-6512
Chlormadinone-d6 Acetate
Chlormadinone
CAS No. 1961-77-9
C20H25ClO3 M.W. 348.87
C-652
Chlormadinone		 Chlormadinone-d7
C21H20ClO3D7 M.W. 369.94
C-653
Chlormadinone-d7
Chlormadinone-d7 Acetate
C23H22ClO4D7 M.W. 411.98
C-654
Chlormadinone-d7 Acetate		 Chlormadinone Acetate-d3
C23H26ClO4D3 M.W. 407.96
C-655
Chlormadinone Acetate-d3
Chlormadinone Acetate-13C-d3
C23H26ClO4D3 M.W. 409.93
C-656
Chlormadinone Acetate-13C-d3		 3-Hydroxy Chlormadinone
C20H27ClO3 M.W. 350.89
C-657
3-Hydroxy Chlormadinone
3-Hydroxy Chlormadinone-d5
C21H24ClO3D5 M.W. 369.95
C-658
3-Hydroxy Chlormadinone-d5		 3-Hydroxy Chlormadinone Acetate
CAS No. 17184-15-5
C22H29ClO4 M.W. 392.93
C-659
3-Hydroxy Chlormadinone Acetate
Cefaclor-d5
C15H9ClN3O4SD5 M.W. 372.84
C-661
Cefaclor-d5		 Cefaclor
CAS No. 53994-73-3
C15H14ClN3O4S M.W. 367.81
C-662
Cefaclor
Cefaclor impurity E
C14H14ClN3O4S M.W. 355.80
C-663
Cefaclor impurity E		 Cefaclor Delta-3-Isomer
CAS No. N/A
C15H14ClN3O4S M.W. 367.81
C-664
Cefaclor Delta-3-Isomer
Carbinoxamine-d6 Maleate
C16H13ClN2OD6.C4H4O4 M.W. 296.83 116.07
C-671
Carbinoxamine-d6 Maleate		 Carbinoxamine
CAS No. 486-16-8
C16H19ClN2O M.W. 290.80
C-672
Carbinoxamine
Ciprofibrate
CAS No. 52214-84-3
C13H14Cl2O3 M.W. 289.16
C-681
Ciprofibrate		 Ciprofibrate-d6
CAS No. N/A
C13H8Cl2O3D6 M.W. 295.20
C-682
Ciprofibrate-d6
Ciprofibrate-O-Belta-D-Glucuronide
CAS No. N/A
C19H22Cl2O9 M.W. 465.29
C-683
Ciprofibrate-O-Belta-D-Glucuronide		 Curcumin
C21H20O6 M.W. 368.39
C-691
Curcumin
Curcumin-d6
C21H14O6D6 M.W. 374.43
C-692
Curcumin-d6		 Curcumin Glucuronide
C27H28O12 M.W. 544.52
C-693
Curcumin Glucuronide
Curcumin Sulfate
CAS No. 339286-19-0
C21H19O9S C16H36N M.W. 447.44 242.47
C-694
Curcumin Sulfate		 Campesterol (mixture of isomers)
C28H48O M.W. 400.69
C-701
Campesterol (mixture of isomers)
Coenzyme Q10
CAS No. 303-98-0
C59H90O4 M.W. 863.37
C-711
Coenzyme Q10		 Coenzyme Q10-d5
CAS No. 303-98-0 (non-labelled)
C59H85O4D5 M.W. 868.40
C-712
Coenzyme Q10-d5
Coenzyme Q10-d6
CAS No. 303-98-0 (non-labelled)
C59H84O4D6 M.W. 869.41
C-713
Coenzyme Q10-d6		 DL-Carnitine HCl
C7H15NO3.HCl M.W. 161.20 36.46
C-721
DL-Carnitine HCl
L-(-)-Carnitine
CAS No. 541-15-1
C7H15NO3 M.W. 161.20
C-722
L-(-)-Carnitine		 7-Ethyl-10-Hydroxy Camptothecin
C22H20N2O5 M.W. 392.42
C-731
7-Ethyl-10-Hydroxy Camptothecin
7-Ethyl-10-Hydroxy Camptothecin-d3
CAS No. N/A
C22H17N2O5D3 M.W. 395.45
C-732
7-Ethyl-10-Hydroxy Camptothecin-d3		 7-Ethyl-10-Hydroxy Camptothecin-d5
CAS No. 718612-51-2
C22H15N2O5D5 M.W. 397.45
C-733
7-Ethyl-10-Hydroxy Camptothecin-d5
7-Ethyl Camptothecin
CAS No. 78287-27-1
C22H20N2O4 M.W. 376.42
C-734
7-Ethyl Camptothecin		 10-Hydroxy Camptothecin
CAS No. 19685-09-7
C20H16N2O5 M.W. 364.36
C-735
10-Hydroxy Camptothecin
7,11-Diethyl-10-hydroxycamptothecin
CAS No. 947687-01-6
C24H24N2O5 M.W. 420.47
C-736
7,11-Diethyl-10-hydroxycamptothecin		 Clobutinol HCl
C14H22ClNO.HCl M.W. 255.79 36.46
C-741
Clobutinol HCl
Clofazimine
CAS No. 2030-63-9
C27H24Cl2N4 M.W. 475.43
C-751
Clofazimine		 Clofazimine-d7
CAS No. 2030-63-9 (non-d)
C27H17Cl2N4D7 M.W. 482.47
C-752
Clofazimine-d7
Clofazimine Related Compound B
C27H23ClN4 M.W. 438.96
C-753
Clofazimine Related Compound B		 Cefditoren Sodium Salt
C19H17N6O5S3.Na M.W. 505.58 22.99
C-761
Cefditoren Sodium Salt
Cefditoren-d3
C19H15N6O5S3D3 M.W. 509.60
C-762
Cefditoren-d3		 Cefditoren Pivoxil
CAS No. 117467-28-4
C25H28N6O7S3 M.W. 620.73
C-763
Cefditoren Pivoxil
N-Acetyl-S-(2-carbamoyl-2-hydroxyethyl)cysteine
C8H14N2O5S M.W. 250.28
C-77010
N-Acetyl-S-(2-carbamoyl-2-hydroxyethyl)cysteine		 Acetylcysteine Impurity C
C10H16N2O6S2 M.W. 324.38
C-771
Acetylcysteine Impurity C
S-Carboxypropyl-L- Cysteine-(R)-Sulfoxide
CAS No. N/A
C7H13NO5S M.W. 223.25
C-7711
S-Carboxypropyl-L- Cysteine-(R)-Sulfoxide		 S-Carboxypropyl-L- Cysteine-(S)-Sulfoxide
CAS No. N/A
C7H13NO5S M.W. 223.25
C-7712
S-Carboxypropyl-L- Cysteine-(S)-Sulfoxide
Acetylcysteine Impurity D
C7H11NO4S M.W. 205.23
C-772
Acetylcysteine Impurity D		 L-Cysteine
C3H7NO2S M.W. 121.16
C-773
L-Cysteine
S-(1,2-Dichlorovinyl)-Cysteine
C5H7Cl2NO2S M.W. 216.09
C-774
S-(1,2-Dichlorovinyl)-Cysteine		 S-(1,2-dichlorovinyl) cysteine-13C3-15N
C5H7Cl2NO2S M.W. 220.05
C-775
S-(1,2-dichlorovinyl) cysteine-13C3-15N
S-Carboxymethyl-L-Cysteine Sulfoxide Lactam
CAS No. NA
C5H7NO4S M.W. 177.18
C-776
S-Carboxymethyl-L-Cysteine Sulfoxide Lactam		 S-Carboxymethyl-L-Cysteine Sulfoxide
CAS No. 638-23-3
C5H9NO5S M.W. 195.20
C-777
S-Carboxymethyl-L-Cysteine Sulfoxide
S-Carboxymethyl-L-cysteine Lactam
CAS No. N/A
C5H7NO3 M.W. 161.18
C-778
S-Carboxymethyl-L-cysteine Lactam		 S-Methyl-L-Cysteine-S-oxide
CAS No. 6853-87-8
C5H11NO3S M.W. 165.21
C-779
S-Methyl-L-Cysteine-S-oxide
Cefoperazole Impurity A
CAS No. 73240-08-1
C23H23N5O8S M.W. 529.53
C-781
Cefoperazole Impurity A		 Cefoperazole Impurity C
C2H4N4S M.W. 116.14
C-783
Cefoperazole Impurity C
Cefoperazone Sodium
C25H26N9O8S2.Na M.W. 644.67 22.99
C-784
Cefoperazone Sodium		 Cefoperazone Impurity B
CAS No. 711590-76-4
C25H26N9O8S2 M.W. 644,67
C-785
Cefoperazone Impurity B
Cefoperazone Impurity F
CAS No. 1315481-36-7
C25H26N9O8S2 M.W. 644.67
C-786
Cefoperazone Impurity F		 Cefoperazone impurity D
C10H10N5O3S2 M.W. 312.35
C-787
Cefoperazone impurity D
Cabergoline Impurity D
C23H34N4O M.W. 382.55
C-791
Cabergoline Impurity D		 Cabergoline Impurity A
C18H22N2O2 M.W. 298.39
C-792
Cabergoline Impurity A
Cabergoline
CAS No. 81409-90-7
C26H39N5O2 M.W. 453.63
C-793
Cabergoline		 Clioquinol EP Impurity A
CAS No. 130-16-5
C9H6ClNO M.W. 179.61
C-801
Clioquinol EP Impurity A
Clioquinol EP Impurity B
CAS No. 773-76-2
C9H5Cl2NO M.W. 214.05
C-802
Clioquinol EP Impurity B		 Clioquinol EP Impurity C
CAS No. 83-73-8
C9H5I2NO M.W. 396.96
C-803
Clioquinol EP Impurity C
Clevidipine
CAS No. 167221-71-8
C21H23Cl2NO6 M.W. 456.33
C-811
Clevidipine		 Clevidipine-d7
C21H16Cl2NO6D7 M.W. 463.37
C-812
Clevidipine-d7
Clevidipine Impurity 1
C16H15Cl2NO4 M.W. 356.21
C-813
Clevidipine Impurity 1		 Clevidipine Impurity 2
C25H29Cl2NO8 M.W. 542.42
C-814
Clevidipine Impurity 2
Clevidipine Impurity 3
C17H17Cl2NO4 M.W. 370.24
C-815
Clevidipine Impurity 3		 Clevidipine Impurity 4
C15H15Cl2NO2 M.W. 312.20
C-816
Clevidipine Impurity 4
Clevidipine Impurity 5
C21H21Cl2NO6 M.W. 454.31
C-817
Clevidipine Impurity 5		 Clevidipine Impurity 6
C15H13Cl2NO4 M.W. 342.18
C-818
Clevidipine Impurity 6
Trans-clomiphene (enclomiphene)
CAS No. 15690-55-8
C26H28ClNO M.W. 405.97
C-821
Trans-clomiphene (enclomiphene)		 Cis-clomiphene (Zuclomiphene)
CAS No. 15690-57-0
C26H28ClNO M.W. 405.97
C-822
Cis-clomiphene (Zuclomiphene)
Clomiphene-d5
C26H23ClNOD5 M.W. 411.00
C-823
Clomiphene-d5		 Clomiphene-N-Oxide
C26H28ClNO2 M.W. 421.97
C-824
Clomiphene-N-Oxide
3-Chloroclomiphene Citrate
CAS No. N/A
C26H27Cl2NO C6H8O7 M.W. 440.42 192.13
C-825
3-Chloroclomiphene Citrate		 Clavulanic acid imidazole-d3 derivative
C10H10N3O3D3 M.W. 226.25
C-831
Clavulanic acid imidazole-d3 derivative
Clavulanic acid-d4
C8H5NO5D4 M.W. 203.19
C-832
Clavulanic acid-d4		 Chlorhexidine Digluconate
C22H30Cl2N10.2 C6H12O7 M.W. 505.46 2 196.16
C-841
Chlorhexidine Digluconate
Cefpodoxime acid
C15H17N5O6S2 M.W. 427.46
C-851
Cefpodoxime acid		 Cefpodoxime-d3 acid
C15H14D3N5O6S2 M.W. 430.47
C-852
Cefpodoxime-d3 acid
Ceftiofur HCl
C19H17N5O7S3.HCl M.W. 523.57 36.46
C-861
Ceftiofur HCl		 Ceftiofur-d3
C19H14N5O7S3D3 M.W. 526.59
C-862
Ceftiofur-d3
Desfuroyl Ceftiofur
CAS No. 120882-22-6
C14H15N5O5S3 M.W. 429.50
C-863
Desfuroyl Ceftiofur		 trans-Capsaicin
CAS No. 404-86-4
C18H27NO3 M.W. 305.42
C-871
trans-Capsaicin
17-Hydroxy Capsaicin
CAS No. 69173-71-3
C18H27NO4 M.W. 321.42
C-8710
17-Hydroxy Capsaicin		 trans-Capsaicin-d3
CAS No. 1217899-52-9
C18H24NO3D3 M.W. 308.44
C-872
trans-Capsaicin-d3
trans-Capsaicin-13C-d3
C18H24NO3D3 M.W. 309.43
C-873
trans-Capsaicin-13C-d3		 cis-Capsaicin
CAS No. 25775-90-0
C18H27NO3 M.W. 305.42
C-874
cis-Capsaicin
cis-Capsaicin-d3
C18H24NO3D3 M.W. 308.44
C-875
cis-Capsaicin-d3		 cis-Capsaicin-13C-d3
C18H24NO3D3 M.W. 309.43
C-876
cis-Capsaicin-13C-d3
Dihydro Capsaicin
CAS No. 19408-84-5
C18H29NO3 M.W. 307.44
C-877
Dihydro Capsaicin		 16,17-Dehydro Capsaicin
CAS No. 509101-57-9
C18H25NO3 M.W. 303.40
C-878
16,17-Dehydro Capsaicin
16-Hydroxy Capsaicin
CAS No. 112848-19-8
C18H27NO4 M.W. 321.42
C-879
16-Hydroxy Capsaicin		 Cefetamet Pivoxil
CAS No. 65243-33-6
C20H25N5O7S2 M.W. 511.58
C-881
Cefetamet Pivoxil
Delta-2-Cefetamet Pivoxil
CAS No. 126617-54-7
C20H25N5O7S2 M.W. 511.58
C-882
Delta-2-Cefetamet Pivoxil		 (E)-Cefetamet Pivoxil
C20H25N5O7S2 M.W. 511.58
C-883
(E)-Cefetamet Pivoxil
Cefteram
CAS No. 82547-58-8
C16H17N9O5S2 M.W. 479.50
C-891
Cefteram		 d2-Cefteram
CAS No. 104691-34-1
C16H17N9O5S2 M.W. 479.50
C-892
d2-Cefteram
Cefteram Pivoxil
CAS No. 82547-81-7
C22H27N9O7S2 M.W. 593.64
C-893
Cefteram Pivoxil		 Delta-2-Cefteram Pivoxil
CAS No. 104712-44-9
C22H27N9O7S2 M.W. 593.64
C-894
Delta-2-Cefteram Pivoxil
Ceftizoxime
C13H13N5O5S2 M.W. 383.41
C-901
Ceftizoxime		 Cefixime
C16H15N5O7S2 M.W. 453.46
C-911
Cefixime
Cefixime-13C-15N2
CAS No. NA
C16H15N5O7S2 M.W. 456.43
C-912
Cefixime-13C-15N2		 Cefixime-13C3-15N2
CAS No. NA
C16H15N5O7S2 M.W. 458.41
C-913
Cefixime-13C3-15N2
Cefixime Impurity F
CAS No. 79368-95-9
C18H19N5O7S2 M.W. 481.51
C-914
Cefixime Impurity F		 Cefixime impurity A
C16H17N5O8S2 M.W. 471.47
C-915
Cefixime impurity A
Cefixime impurity B
C15H17N5O6S2 M.W. 427.46
C-916
Cefixime impurity B		 Cefixime impurity C
C16H15N5O7S2 M.W. 453.46
C-917
Cefixime impurity C
Cefixime impurity D
C16H15N5O7S2 M.W. 453.46
C-918
Cefixime impurity D		 Cefixime impurity E
C15H15N5O7S2 M.W. 441.44
C-919
Cefixime impurity E
Chloroquine Dihydrochloride
CAS No. 3545-67-3
C18H28Cl3N3 M.W. 392.79
C-921
Chloroquine Dihydrochloride		 Chloroquine-d5 Diphosphate
CAS No. 5-67-3 (non-d)
C18H21ClN3D5. 2 H3O4P M.W. 324.91 2 98.00
C-922
Chloroquine-d5 Diphosphate
Desethyl Chloroquine-d4
CAS No. 1476-52-4 (non-d)
C16H18ClN3D4 M.W. 295.85
C-923
Desethyl Chloroquine-d4		 Desethyl Chloroquine
CAS No. 1476-52-4
C16H22ClN3 M.W. 291.83
C-924
Desethyl Chloroquine
Didesethyl Chloroquine
CAS No. 4298-14-0
C14H18ClN3 M.W. 263.77
C-925
Didesethyl Chloroquine		 Didesethyl Chloroquine-d4
CAS No. 4298-14-0 (non-d)
C14H14ClN3D4 M.W. 267.80
C-926
Didesethyl Chloroquine-d4
Desethyl Chloroquine-d5 HCl
C16H17ClN3D5.HCl M.W. 296.86 36.46
C-927
Desethyl Chloroquine-d5 HCl		 Ceftriaxone-d3
C18H15N8O7S3D3 M.W. 557.60
C-931
Ceftriaxone-d3
(E)-Ceftriaxone
C18H18N8O7S3 M.W. 554.59
C-932
(E)-Ceftriaxone		 Ceftriaxone Impurit B
CAS No. 395.42
C14H13N5O5S2 M.W.
C-933
Ceftriaxone Impurit B
Ceftriaxone Impurit C
C4H5N3O2S M.W. 159.17
C-934
Ceftriaxone Impurit C		 Ceftriaxone Impurit D
C13H10N4O2S3 M.W. 350.44
C-935
Ceftriaxone Impurit D
Ceftriaxone Impurit E
C12H13N5O5S2 M.W. 371.40
C-936
Ceftriaxone Impurit E		 Cabazitaxel-d6
C45H51NO14D6 M.W. 841.99
C-941
Cabazitaxel-d6
Cytosine-13C-15N2
C313CH515N2NO M.W. 114.08
C-951
Cytosine-13C-15N2		 Cefazolin
CAS No. 25953-19-9
C14H14N8O4S3 M.W. 454.51
C-961
Cefazolin
Cefazolin Impurity (1H-Tetrazole-1-acetic acid)
CAS No. 21732-17-2
C3H4N4O2 M.W. 128.09
C-9610
Cefazolin Impurity (1H-Tetrazole-1-acetic acid)		 Cefazolin Impurity A
CAS No. 30246-33-4
C11H12N4O3S3 M.W. 344.44
C-9611
Cefazolin Impurity A
Cefazolin Impurity D
CAS No. 32510-61-5
C13H14N6O6S M.W. 382.36
C-9612
Cefazolin Impurity D		 Cefazolin Impurity C
CAS No. 56842-77-4
C11H12N6O4S M.W. 324.32
C-9613
Cefazolin Impurity C
Cefazolin Impurity K
Cefazolin Impurity K M.W. 453.53
C-962
Cefazolin Impurity K		 Cefazolin Impurity I
C14H16N8O5S3 M.W. 472.53
C-963
Cefazolin Impurity I
Cefazolin Impurity J
C11H14N6O6S M.W. 358.33
C-964
Cefazolin Impurity J		 Cefazolin-d2-15N
C14H12N8O4S3D2 M.W. 457.52
C-965
Cefazolin-d2-15N
Cefazolin-13C2-15N
C12H14N7O4S313C215N M.W. 457.48
C-966
Cefazolin-13C2-15N		 Cefazolin Sodium impurity B
C16H20N4O4S3 M.W. 428.55
C-967
Cefazolin Sodium impurity B
Cefazolin Sodium impurity G
C11H10N6O4S M.W. 322.30
C-968
Cefazolin Sodium impurity G		 Cefazolin Impurity E
C3H4N2S2 M.W. 132.21
C-969
Cefazolin Impurity E
Carbasalate Calcium Impurity A
C18H14O7 M.W. 342.31
C-971
Carbasalate Calcium Impurity A		 Carbasalate Calcium Impurity D
C14H10O5 M.W. 258.23
C-972
Carbasalate Calcium Impurity D
Clethodim sulfoxide
CAS No. 111031-14-2
C17H26ClNO4S M.W. 375.92
C-981
Clethodim sulfoxide		 Clethodim Sulfone
C17H26ClNO5S M.W. 391.92
C-982
Clethodim Sulfone
Clethodim
CAS No. 99129-21-2
C17H26ClNO3S M.W. 359.92
C-983
Clethodim		 Clophedianol
CAS No. 791-35-5
C17H20ClNO M.W. 289.81
C-991
Clophedianol
Clophedianol-d5
C17H15ClNOD5 M.W. 394.84
C-992
Clophedianol-d5		 Clophedianol-D-glucuronide
CAS No. 66171-85-5
C23H28ClNO7 M.W. 465.94
C-993
Clophedianol-D-glucuronide
Celecoxib
CAS No. 169590-42-5
C17H14F3N3O2S M.W. 381.38
PF-0025
Celecoxib
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