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|
|
|
|
|
| Rapamycin (Sirolimus)
CAS No. 53123-88-9
C51H79NO13 M.W. 914.20
PF-0016
 | | | Raloxifene Impurity A
C42H44N2O6S M.W. 704.89
R-01011
 |
| Raloxifene Impurity C
C28H27NO5S M.W. 491.61
R-01012
 | | | Raloxifene Impurity B
C28H27NO4S M.W. 473.60
R-01013
 |
| Raloxifene Impurity D
C21H14O4S M.W. 362.41
R-01014
 | | | Raloxifene-d4 HCl
C28H23D4NO4S.HCl M.W. 514.08
R-011
 |
| Raloxifene Impurity I, N-oxide
CAS No. N/A
C42H44N2O8S M.W. 736.89
R-0110
 | | | Raloxifene HCl
C28H27NO4S. HCl M.W. 473.60 36.46
R-0111
 |
| Raloxifene-4' -glucuronide
CAS No. 182507-22-8
C34H35NO10S M.W. 649.72
R-012
 | | | Raloxifene-6-glucuronide
CAS No. 174264-50-7
C34H35NO10S M.W. 649.72
R-013
 |
| Raloxifene-d4-4' -glucuronide
CAS No. 182507-22-8(non-d)
C34H31NO10SD4 M.W. 653.75
R-014
 | | | Raloxifene-d4-6-glucuronide
CAS No. 174264-50-7(non-d)
C34H31NO10SD4 M.W. 653.75
R-015
 |
| Raloxifene-6-Glucuronide Lithium Salt
C34H34NO10S.Li M.W. 648.71 6.94
R-016
 | | | Raloxifene-4'-Glucuronide Lithium Salt
C34H34NO10S.Li M.W. 648.71 6.94
R-017
 |
| Raloxifene-4',6-Diglucuronide Lithium Salt
C40H41NO16S . 2 Li M.W. 823.83 2 6.94
R-018
 | | | Raloxifene Impurity I
CAS No. N/A
C42H44N2O6S M.W. 704.89
R-019
 |
| Ramipril
CAS No. 87333-19-5
C23H32N2O5 M.W. 416.52
R-021
 | | | Ramipril Impurity O
CAS No. N/A
C30H38N2O6 M.W. 522.65
R-0210
 |
| Ramipril Meglumine Amide
CAS No. N/A
C28H43N3O9 M.W. 565.67
R-0211
 | | | Ramipril-d5
CAS No. 87333-19-5
C23H27D5N2O5 M.W. 421.55
R-022
 |
| Ramiprilat
CAS No. 87269-97-4
C21H28N2O5 M.W. 388.47
R-023
 | | | Ramiprilat-d5
CAS No. 87269-97-4(non-d)
C21H23N2O5D5 M.W. 393.50
R-024
 |
| Ramipril Acyl Glucuronide
C29H40N2O11 M.W. 592.65
R-025
 | | | Ramiprilat Acyl Glucuronide
C27H36N2O11 M.W. 564.59
R-026
 |
| Ramipril Diketopiperazine
C23H30N2O4 M.W. 398.51
R-027
 | | | Ramipril Impurity K (Mixture of Isomers)
C21H26N2O4 M.W. 370.45
R-028
 |
| Ramipril Impurity N
C23H32N2O5 M.W. 416.52
R-029
 | | | Ranitidine-S-Oxide
CAS No. 73851-70-4
C13H22N4O4S M.W. 330.41
R-031
 |
| Ranitidine-N-Oxide
CAS No. 73857-20-2
C13H22N4O4S M.W. 346.41
R-032
 | | | Ranitidine-d6
CAS No. 66357-35-5
C13H16D6N4O3S M.W. 336.44
R-033
 |
| Ranitidine Impurity J
C11H22N6O4S2 M.W. 366.46
R-034
 | | | Ribavirin-13C2
CAS No. 36791-04-5
C8H12N4O5 M.W. 246.19
R-041
 |
| Ribavirin Impurity C
C3H3N3O2 M.W. 113.08
R-0410
 | | | Ribavirin Impurity D
C3H4N4O M.W. 112.09
R-0411
 |
| Ribavirin Impurity G
C8H12N4O5 M.W. 244.21
R-0412
 | | | Ribavirin-13C5
CAS No. 37691-04-5
C8H12N4O5 M.W. 249.15
R-042
 |
| Ribavirin monophosphate
C8H12N4O8P M.W. 323.18
R-043
 | | | Ribavirin 5'-Diphosphate Lithium Salt
C8H12N4O11P2.2 Li M.W. 402.15 2 6.94
R-044
 |
| Ribavirin triphosphate
C8H14N4O14P3 M.W.
R-045
 | | | Ribavirin Impurity A
C8H11N3O6 M.W. 245.19
R-046
 |
| Ribavirin Impurity E
C15H16N4O6 M.W. 348.32
R-047
 | | | Ribavirin Impurity F
C10H14N4O6 M.W. 286.25
R-048
 |
| Ribavirin Impurity B
C8H12N4O5 M.W. 244.21
R-049
 | | | Risedronic acid-d4
CAS No. 105462-24-6
C7H7NO7P2D4 M.W. 287.14
R-051
 |
| Tetramethyl risedronate
C11H19NO7P2 M.W. 339.22
R-052
 | | | Risedronic Acid Monosodium Salt
C7H10NO7P2 . Na M.W. 305.10
R-053
 |
| Risedronic Acid
C7H11NO7P M.W. 283.12
R-054
 | | | Risperidone
CAS No. 106266-06-2
C23H27FN4O2 M.W. 410.50
R-061
 |
| (R)-9-Hydroxy Risperidone ((R)-Paliperidone)
CAS No. 130049-85-3
C23H27FN4O3 M.W. 426.50
R-0610
 | | | (S)-9-Hydroxy Risperidone ((S)-Paliperidone)
CAS No. 147663-01-2
C23H27FN4O3 M.W. 426.50
R-0611
 |
| Risperidone Impurity H
CAS No. 158697-67-7
C23H27F2N3O2 M.W. 415.49
R-0612
 | | | Risperidone Impurity F
CAS No. N/A
C24H27FN4O4 M.W. 454.51
R-0613
 |
| 6-Desfluoro-6-hydroxy-risperidone
CAS No. 106266-11-9
C23H28N4O3 M.W. 408.50
R-0614
 | | | Bicyclo Risperidone
C23H28FN4O2. I M.W. 411.50 126.90
R-0615
 |
| 9-Keto Risperidone
C23H25FN4O3 M.W. 424.48
R-0616
 | | | Risperidone Impurity D
CAS No. 1199589-74-6
C23H27FN4O2 M.W. 410.50
R-0617
 |
| Risperidone Impurity E
C24H29FN4O2 M.W. 424.52
R-0618
 | | | Risperidone-d4
CAS No. 106266-06-2(non-d)
C23H23D4FN4O2 M.W. 414.52
R-062
 |
| Risperidone N-Oxide
CAS No. 832747-55-4
C23H27FN4O3 M.W. 426.50
R-0620
 | | | Risperidone Impurity
CAS No. 1329796-66-8
C35H39F2N5O3 M.W. 615.73
R-0621
 |
| 3-Vinyl-6,7,8,9-Tetrahydro-2-Methyl-4H-Pyrido[1,2-a]pyrimidin-4-one
CAS No. 832747-59-8
C11H14N2O M.W. 190.25
R-0622
![3-Vinyl-6,7,8,9-Tetrahydro-2-Methyl-4H-Pyrido[1,2-a]pyrimidin-4-one](product_images/R-0622.jpg) | | | 9-Hydroxy Risperidone
CAS No. 144598-75-4
C23H27FN4O3 M.W. 426.50
R-063
 |
| 9-Hydroxy Risperidone-d4 (Paliperidone D4)
CAS No. 144598-75-4
C23H23D4FN4O3 M.W. 430.52
R-064
 | | | 7-Hydroxy risperidone
CAS No. 147663-04-5
C23H27FN4O3 M.W. 426.50
R-065
 |
| 7-Hydroxy risperidone-d4
CAS No. 147663-04-5
C23H23D4FN4O3 M.W. 430.52
R-066
 | | | Risperidone Impurity B (Risperidone E-Oxime Impurity)
CAS No. 691007-09-7
C23H28F2N4O2 M.W. 430.50
R-067
 |
| 9-Hydroxy Risperidone N-Oxide (Paliperidone N-Oxide)
CAS No. 761460-08-6
C23H27FN4O4 M.W. 442.49
R-068
 | | | rac-9-Hydroxy Risperidone-d4
CAS No. 1020917-55-4
C23H23FN4O3D4 M.W. 430.52
R-069
 |
| Rivastigmine-d6 Hydrogen Tartrate
CAS No. 129101-54-8
C14H16N2O2D6.C4H6O6 M.W. 256.38 150.09
R-071
 | | | Rivastigmine Hydrogen Tartrate
C14H22N2O2.C4H6O6 M.W. 250.34 150.09
R-072
 |
| NAP226-90
C10H15NO M.W. 165.24
R-073
 | | | (R)-Rivastigmine
CAS No. N/A
C14H22N2O2 C4H6O6 M.W. 250.34 150.09
R-074
 |
| N-Desmethyl Rivastigmine
C13H20N2O2 M.W. 236.32
R-075
 | | | Rifamycin Y
C39H47NO15 M.W. 769.81
R-077001
 |
| Regorafenib
CAS No. 755037-03-7
C21H15ClF4N4O3 M.W. 482.83
R-078001
 | | | Regorafenib-13C-d3
C21H12ClF4N4O3D3 M.W. 486.83
R-078002
 |
| Resveratrol
CAS No. 501-36-0
C14H12O3 M.W. 228.25
R-079001
 | | | cis-Resveratrol
C14H12O3 M.W. 228.25
R-079002
 |
| Resveratrol-13C6 (cis+trans)
C1813C6H12O3 M.W. 234.18
R-079003
 | | | Resveratrol-3-glucuronide (cis+trans)
C20H20O9 M.W. 404.38
R-079004
 |
| Resveratrol-4'-glucuronide (cis+trans)
C20H20O9 M.W. 404.38
R-079005
 | | | Resveratrol-3-sulfate (cis+trans)
C14H12O6S M.W. 308.31
R-079006
 |
| Resveratrol-4'-sulfate (cis+trans)
C14H12O6S M.W. 308.31
R-079007
 | | | Riociguat
CAS No. 615115-55-1
C20H19FN8O2 M.W. 422.43
R-080001
 |
| Rosiglitazone-d3
CAS No. 155141-29-0(non-d)
C18H16D3N3O3S M.W. 360.45
R-081
 | | | Rosiglitazone Maleate
C18H19N3O3S.C4H4O4 M.W. 357.43 116.07
R-0810
 |
| Resiniferatoxin
CAS No. 57444-62-9
C37H40O9 M.W. 628.73
R-081001
 | | | Resiniferatoxin-d3
CAS No. N/A
C37H37O9D3 M.W. 631.74
R-081002
 |
| 5-Hydroxy rosiglitazone
CAS No. 257883-22-0
C18H19N3O4S M.W. 373.43
R-082
 | | | N-Desmethyl rosiglitazone
C17H17N3O3S M.W. 343.41
R-083
 |
| N-Desmethyl rosiglitazone-d4
C17H13N3O3SD4 M.W. 347.43
R-084
 | | | 5-Hydroxy rosiglitazone-d4
C18H15N3O4SD4 M.W. 377.46
R-086
 |
| 5-Hydroxy rosiglitazone sulphate potassium salt
C18H18N3O7S2.K M.W. 452.49 39.10
R-087
 | | | 5-Hydroxy rosiglitazone-d4 sulphate potassium salt
C18H14N3O7S2D4.K M.W. 456.51 39.10
R-088
 |
| Rosiglitazone
C18H19N3O3S M.W. 357.43
R-089
 | | | Rosuvastatin lactone
CAS No. 287714-41-4
C22H26FN3O5S M.W. 463.53
R-091
 |
| Rosuvastatin Impurity (5-Oxo Rosuvastatin tert-Butyl Ester)
C26H34FN3O6S M.W. 535.64
R-0910
 | | | (3R, 5R)-tert-Butyl Rosuvastatin (Rosuvastatin Impurity)
C26H36FN3O6S M.W. 537.66
R-0911
 |
| (3R,5R)-Rosuvastatin Sodium Salt
C22H27FN3O6S. Na M.W. 480.54 22.99
R-0912
 | | | Rosuvastatin Impurity Sodium Salt (5-Oxo Rosuvastatin Sodium Salt)
C22H25FN3O6S. Na M.W. 478.52 22.99
R-0913
 |
| (3S,5R)-Rosuvastatin Sodium Salt
C22H27FN3O6S.Na M.W. 480.54 22.99
R-0914
 | | | (3S,5S) Rosuvastatin Calcium Salt
C44H54F2N6O12S2 . Ca M.W. 961.08 40.08
R-0915
 |
| Rosuvastatin Lactone-d6
C22H20FN3O5SD6 M.W. 469.57
R-0916
 | | | 3-Oxo Rosuvastatin Sodium Salt
CAS No. 1346606-28-7
C22H25FN3O6S . Na M.W. 478.52 22.99
R-0917
 |
| ent-Rosuvastatin tert-Butyl Ester
CAS No. 615263-60-0
C26H36FN3O6S M.W. 537.66
R-0918
 | | | (3S,5S)-Rosuvastatin Sodium Salt
C22H27FN3O6S. Na M.W. 480.54 22.99
R-0919
 |
| Rosuvastatin-d3 sodium salt
CAS No. 287714-41-4
C22H24FN3O6SD3.Na M.W. 506.55
R-092
 | | | (3R,5R)-Rosuvastatin Methyl Ester
C23H30FN3O6S M.W. 495.57
R-0920
 |
| (3S,5R)-Rosuvastatin Methyl Ester
C23H30FN3O6S M.W. 495.57
R-0921
 | | | Rosuvastatin-d4 sodium salt
CAS No. 287714-41-4 (non-d)
C22H23FN3O6SD4.Na M.W. 507.55
R-093
 |
| Rosuvastatin Calcium Salt
C22H27FN3O6S.0.5Ca M.W. 480.54 20.16
R-094
 | | | N-Desmethyl Rosuvastatin Disodium Salt
C21H24FN3O6S. 2 Na M.W. 465.50 2 22.99
R-095
 |
| N-Desmethyl Rosuvastatin-d6 Disodium Salt
C21H18FN3O6SD6. 2 Na M.W. 471.54 2 22.99
R-096
 | | | Rosuvastatin-d6 Sodium Salt
C22H21FN3O6SD6.Na M.W. 486.58 22.99
R-097
 |
| tert-Butyl Rosuvastatin (Rosuvastatin Impurity)
C26H36FN3O6S M.W. 537.66
R-099
 | | | Retigabine Dihydrochloride
C16H18FN3O2 . 2 HCl M.W. 376.22
R-101
 |
| Retigabine-d5 diHCl
C16H13FN3O2D5.2 HCl M.W. 308.37 2 36.46
R-102
 | | | N-Acetyl Retigabine
C18H20FN3O3 M.W. 345.38
R-103
 |
| N-Acetyl Retigabine-d5
C18H15FN3O3D5 M.W. 350.41
R-104
 | | | Retigabine N-Acetyl diHCl
C15H16FN3O . 2 HCl M.W. 273.31 2 36.46
R-105
 |
| N-Acetyl Retigabine-d3 diHCl
C15H13FN3OD3.2 HCl M.W. 276.33 2 36.46
R-106
 | | | Repaglinide acyl glucuronide
C33H44N2O10 M.W. 628.73
R-111
 |
| 2-Despiperidyl-2-(5-Carboxypentylamine Repaglinide) (M2 Metabolite)
C27H36N2O6 M.W. 484.60
R-1110
 | | | Repaglinide Related Compound A
CAS No. 219921-94-5
C16H26N2 . C7H11NO5 M.W. 246.40 189.17
R-1111
 |
| Repaglinide Related Compound B
CAS No. 99469-99-5
C13H16O5 M.W. 252.27
R-1112
 | | | Repaglinide Related Compound C
CAS No. 107362-12-9
C30H34N2O4 M.W. 486.62
R-1113
 |
| Repaglinide impurity E
CAS No. 147770-08-9
C29H40N2O4 M.W. 480.65
R-1114
 | | | Repaglinide Impurity D
CAS No. 147770-06-7
C29H40N2O4 M.W. 480.65
R-1116
 |
| Repaglinide
C27H36N2O4 M.W. 452.60
R-112
 | | | Repaglinide-d5
C27H31N2O4D5 M.W. 457.63
R-113
 |
| 3-Hydroxy Repaglinide
C27H36N2O5 M.W. 468.60
R-114
 | | | Repaglinide metabolite(M0-OH)
CAS No. NA
C27H36N2O6 M.W. 484.60
R-115
 |
| Repaglinide Impurity IV
CAS No. 646054-50-4
C23H37N3O M.W. 371.57
R-116
 | | | R-Repaglinide
CAS No. 147852-26-4
C27H36N2O4 M.W. 452.60
R-117
 |
| 3'-Hydroxyl Repaglinide (M4 metabolite)
C27H36N2O5 M.W. 468.60
R-118
 | | | 2-Despiperidyl-2-Amino Repaglinide (M1 Metabolite)
C22H28N2O4 M.W. 384.48
R-119
 |
| Rizatriptan-d6 benzoate
CAS No. 162011-90-7
C15H13N5D6.C7H6O2 M.W. 397.51
R-121
 | | | Rizatriptan N-oxide
C15H19N5O M.W. 285.35
R-122
 |
| Rizatriptan Benzoate
C15H19N5.C7H6O2 M.W. 269.35 122.12
R-123
 | | | N-Monodesmethyl Rizatriptan
CAS No. 144034-84-4
C14H17N5 M.W. 255.33
R-124
 |
| N-Monodesmethyl Rizatriptan Benzoate
C14H17N5 . C7H6O2 M.W. 255.33 122.12
R-125
 | | | Rizatriptan Impurity A
CAS No. N/A
C16H21N5O C7H6O2 M.W. 299.38 122.12
R-126
 |
| Rizatriptan Impurity B
CAS No. N/A
C13H15N5 C2H2O4 M.W. 241.30 90.04
R-127
 | | | Rizatriptan Impurity C
CAS No. 208941-96-2
C15H19N5 M.W. 269.35
R-128
 |
| Rizatriptan Dimer
CAS No. 1135479-44-5
C36H49N11 M.W. 635.87
R-129
 | | | Ropinirole
CAS No. 91374-21-9
C16H24N2O M.W. 260.38
R-131
 |
| 7-Hydroxy Ropinirole HBr
C16H24N2O2. HBr M.W. 276.38 80.91
R-1310
 | | | 3-Oxo Ropinirole HCl (Ropinirole Related Compound B)
CAS No. 221264-21-7
C16H22N2O2 M.W. 274.37 36.46
R-1311
 |
| Ropinirole N-Oxide
CAS No. 1076199-41-1
C15H21N2O3 M.W. 277.35
R-1312
 | | | Propylidine Ropinirole Hydrochloride (E/Z-Mixture)
CAS No. 221264-43-3
C19H28N2O HCl M.W. 300.45 36.46
R-1313
 |
| Ropinirole-d7
CAS No. 91374-21-9 (non-d)
C16H17N2OD7 M.W. 267.42
R-132
 | | | N-Despropyl Ropinirole
C13H18N2O M.W. 218.30
R-133
 |
| N-Hydroxy Ropinirole
CAS No. NA
C16H24N2O2 M.W. 276.38
R-134
 | | | Open Ring Nitro Derivative
CAS No. NA
C16H24N2O4 M.W. 308.38
R-135
 |
| Ropinirole-d14
CAS No. NA
C16H10N2OD14 M.W. 274.47
R-136
 | | | N-Methoxy-ropinirole
CAS No. N/A
C17H26N2O2 M.W. 290.41
R-137
 |
| 3-Methoxy-ropinirole
CAS No. N/A
C17H26N2O2 M.W. 290.41
R-138
 | | | N-Despropyl Ropinirole HCl
C13H18N2O. HCl M.W. 218.30 36.46
R-139
 |
| Riluzole
CAS No. 1744-22-5
C8H5F3N2OS M.W. 234.20
R-141
 | | | Riluzole-13C-15N2
CAS No. 1744-22-5 (non-d)
C8H2F3N2OS M.W. 237.24
R-142
 |
| Riluzole-N-glucuronide
C14H10F3N2O7SD3 M.W. 413.35
R-143
 | | | N-Hydroxy Riluzole
C8H5F3N2O2S M.W. 250.20
R-144
 |
| Bromo Riluzole Impurity
CAS No. 88149-49-9
C7H4Br2F3NO M.W. 334.92
R-145
 | | | Riluzole Impurity A
CAS No. N/A
C8H5F3N2OS M.W. 234.20
R-146
 |
| Ramelteon
CAS No. 196597-26-9
C16H21NO2 M.W. 259.35
R-151
 | | | Ramelteon-d5
CAS No. 196597-26-9 (non-d)
C16H16NO2D5 M.W. 264.38
R-152
 |
| Ramelteon metabolite M-II (mixture of isomers)
C16H21NO2D M.W. 261.37
R-153
 | | | Ranelic Acid
CAS No. 5459-90-4
C12H10N2O8S M.W. 342.29
R-161
 |
| Ranelic Acid-d4
CAS No. 5459-90-4 (non-d)
C12H6N2O8SD4 M.W. 346.31
R-162
 | | | Ranelic Acid-13C4 Sodium Salt
C813C4H6N2O8S.4 Na M.W. 342.21 4 22.99
R-163
 |
| Ranolazine
CAS No. 95635-55-5
C24H33N3O4 M.W. 427.54
R-171
 | | | Ranolazine-d5
CAS No. 95635-55-5 (non-d)
C24H28N3O4D5 M.W. 432.58
R-172
 |
| Ranolazine glucuronide
C30H41N3O10 M.W. 603.68
R-173
 | | | Ranolazine N-oxide
C24H33N3O5 M.W. 443.55
R-174
 |
| Ranolazine Bis (N-Oxide)
C24H33N3O6 M.W. 459.55
R-175
 | | | Ranolazine Impurity A
CAS No. N/A
C23H30N4O2 M.W. 394.52
R-176
 |
| Ranolazine Impurity C
CAS No. N/A
C14H22N2O3 M.W. 266.34
R-177
 | | | Ranolazine Impurity E
CAS No. N/A
C24H34N2O6 M.W. 446.55
R-178
 |
| Rapamycin-d3 (Sirolimus-d3)
CAS No. 53123-88-9 (non-d)
C51H76NO13D3 M.W. 917.22
R-181
 | | | Rapamycin
CAS No. 53123-88-9
C51H79NO13 M.W. 914.20
R-182
 |
| Demethoxy Rapamycin
CAS No. 83482-58-0
C50H77NO12 M.W. 884.17
R-183
 | | | Rasagiline-13C3 Mesylate
CAS No. 136236-51-6
C12H13N.CH4O3S M.W. 174.21 96.11
R-191
 |
| Rasagiline
CAS No. 136236-51-6
C12H13N M.W. 171.24
R-192
 | | | Rasagiline glucuronide
C18H21NO6 M.W. 347.37
R-193
 |
| (R)-(-)-1-Aminoindan
C9H11N M.W. 133.19
R-194
 | | | Rasagiline Mesylate
C12H13N.CH4O3S M.W. 171.24 96.11
R-195
 |
| Rabeprazole
CAS No. 117976-89-3
C18H21N3O3S M.W. 359.45
R-201
 | | | Rabeprazole Impurity G
C29H36N4O5S M.W. 552.70
R-2011
 |
| 4-Methoxy Rabeprazole
CAS No. 102804-77-3
C15H15N3O2S M.W. 301.37
R-2012
 | | | Rabeprazole-d4
CAS No. 117976-89-3(non-d)
C18H17N3O3SD4 M.W. 363.47
R-202
 |
| Rabeprazole Sodium Salt
C18H20N3NaO3S M.W. 381.43
R-203
 | | | Rabeprazole-d4 Sodium Salt
C18H16N3NaO3SD4 M.W. 385.46
R-204
 |
| Rabeprazole Sulfide
C18H21N3O2S M.W. 343.45
R-205
 | | | Rabeprazole Impurity C
CAS No. 168167-42-8
C14H12ClN3OOS M.W. 305.79
R-206
 |
| Rabeprazole Impurity A
CAS No. 924663-38-7
C18H21N3O4S M.W. 375.45
R-207
 | | | Rabeprazole Impurity B
C18H21N3O5S M.W. 391.45
R-208
 |
| Rabeprazole Impurity E
C18H21N3O4S M.W. 375.45
R-209
 | | | Ractopamine-d3 HCl
C18H20NO3D3.HCl M.W. 304.41 36.46
R-211
 |
| Ropivacaine-d7
C17H19N2OD7 M.W. 281.45
R-221
 | | | 25-Desacetyl Rifampicin
C41H56N4O11 M.W. 780.92
R-231
 |
| 3-Formyl Rifampicin SV
C38H47NO13 M.W. 725.80
R-2310
 | | | Rifampicin N-Oxide
C43H60N4O13 M.W. 840.98
R-2311
 |
| Rifampicin Quinone
CAS No. 13983-13-6
C43H56N4O12 M.W. 820.95
R-2312
 | | | Isonicotinyl Hydrazone of 3-Formyl Rifampicin
C44H52N4O13 M.W. 844.92
R-232
 |
| 1,2-Isonicotinyl Hydrazine
C12H10N4O2 M.W. 242.24
R-233
 | | | Rifampicin
CAS No. 13292-46-1
C43H58N4O12 M.W. 822.96
R-234
 |
| Rifampicin-13C-d3
CAS No. 13292-46-1 (non-labelled)
C43H55N4O12D3 M.W. 826.97
R-235
 | | | Rifampicin-d4
C43H54N4O12D4 M.W. 826.99
R-236
 |
| 25-Desacetyl Rifampicin-d4
C41H52N4O11D4 M.W. 784.95
R-237
 | | | N-Methyl Rifampicin
C44H62N4O12 M.W. 839.00
R-238
 |
| 4-Methylpiperazine-1-yl-imino rifamycin-o
C45H58N4O14 M.W. 878.98
R-239
 | | | Raltegravir
CAS No. 871038-72-1
C20H20FN6O5 M.W. 444.43
R-241
 |
| Raltegravir-13C-d3
CAS No. 871038-72-1 (non-d)
C20H17FN6O5D3 M.W. 447.44 39.10
R-242
 | | | Raltegravir glucuronide
C26H29FN6O11 M.W. 620.55
R-243
 |
| Raltegravir Potassium Salt
C20H20FN6O5.K M.W. 443.42 39.10
R-244
 | | | Raltegravir-d4
C20H17FN6O5D4 M.W. 448.45
R-245
 |
| Resorufin
CAS No. 635-78-9
C12H7NO3 M.W. 213.19
R-251
 | | | Ethoxy Resorufin-d5
C14H6NO3D5 M.W. 246.28
R-252
 |
| Ethoxy Resorufin
C14H11NO3 M.W. 241.25
R-253
 | | | Rimonabant HCl
C22H21Cl3N4O.HCl M.W. 463.80 36.46
R-261
 |
| Rimonabant-d10 HCl
CAS No. 158681-13-1 (non-d)
C22H11Cl3N4OD10.HCl M.W. 473.95 36.46
R-262
 | | | Ritonavir
C37H48N6O5S2 M.W. 720.96
R-271
 |
| Ritonavir Related Compound F
C29H34N4O5S M.W. 550.68
R-272
 | | | Ritonavir-d6
C37H42N6O5S2D6 M.W. 727.00
R-273
 |
| Ritonavir Impurity E (Hydroxy Ritonavir)
CAS No. 176655-56-4
C37H48N6O6S2 M.W. 736.96
R-274
 | | | Ritonavir Impurity L
C33H43N5O4S M.W. 605.81
R-275
 |
| Ritonavir Impurity O
C37H48N6O5S2 M.W. 720.96
R-276
 | | | Ritonavir Impurity T
C46H66N8O5S2 M.W. 875.22
R-277
 |
| Ritonavir Impurity G (Hydroperoxide Impurity)
CAS No. N/A
C37H48N6O7S2 M.W. 752.96
R-278
 | | | Rhein
CAS No. 478-43-3.
C15H8O6 M.W. 284.23
R-281
 |
| Rhein-13C4
CAS No. 1189928-10-6
C15H8O6 M.W. 288.18
R-282
 | | | Rhein acyl glucuronide
C21H16O12 M.W. 460.35
R-283
 |
| Rhein ether glucuronide
C21H16O12 M.W. 460.35
R-284
 | | | Rhein monosulfate
C15H8O9S M.W. 364.29
R-285
 |
| Rivaroxaban
CAS No. 366789-02-8
C19H18ClN3O5S M.W. 435.89
R-291
 | | | Rivaroxaban-d4
CAS No. 366789-02-8 (non-d)
C19H14ClN3O5SD4 M.W. 439.91
R-292
 |
| Rivaroxaban metabolite 5
C19H20ClN3O6S M.W. 453.90
R-293
 | | | Rivaroxaban metabolite 8
C19H18ClN3O6S M.W. 451.89
R-294
 |
| Rivaroxaban metabolite 9
C19H18ClN3O6S M.W. 451.89
R-295
 | | | R-Rivaroxaban
CAS No. 865479-71-6
C19H18ClN3O5S M.W. 435.89
R-296
 |
| all trans-Retinal
C20H28O M.W. 284.45
R-301
 | | | Racecadotril
C21H23NO4S M.W. 385.49
R-311
 |
| Rocuronium Related Compound A
C29H48N2O4 M.W. 488.72
R-321
 | | | Rocuronium Bromide Related Compound C
C30H51N2O3.Br M.W. 487.75 79.90
R-322
 |
| Rocuronium Bromide Impurity 15
C34H55N2O5 . Br M.W. 571.83 79.90
R-323
 | | | Rocuronium Bromide Impurity 17
C32H53N2O4 . Br M.W. 529.79 79.90
R-324
 |
| Rocuronium Bromide Impurity 18
C32H53N2O3 . Br M.W. 513.79 79.90
R-325
 | | | Rocuronium Bromide Impurity 19
C32H53N2O3 . Br M.W. 513.79 79.90
R-326
 |
| Rocuronium Bromide Impurity 21
C32H49N2O4 . Br M.W. 525.76 79.90
R-327
 | | | Rifabutin-d7
CAS No. 72559-06-9 (non-d)
C46H55N4O11D7 M.W. 854.07
R-331
 |
| 25-O-desacetyl-23-Acetyl-Rifabutin (Possibly a mixture with API)
C46H62N4O11 M.W. 847.03
R-332
 | | | 25-O-Desacetyl Rifabutin
C44H60N4O10 M.W. 804.99
R-333
 |
| 25-O-Desacetyl Rifabutin-d7
C44H53N4O10D7 M.W. 812.03
R-334
 | | | Rifabutin
CAS No. 72559-06-9
C46H62N4O11 M.W. 847.03
R-335
 |
| Rilpivirine-d6
C22H12N6D6 M.W. 372.47
R-341
 | | | Rifaximin-d6
C43H45N3O11D6 M.W. 791.94
R-351
 |
| Rifaximin
CAS No. 80621-81-4
C43H51N3O11 M.W. 785.90
R-352
 | | | Rifaximin Impurity D
CAS No. N/A
C43H49N3O12 M.W. 799.88
R-353
 |
| Rifaximin Impurity H
CAS No. N/A
C43H51N3O12 M.W. 801.90
R-354
 | | | 25-Desacetyl Rifaximin
C42H51N3O9 M.W. 741.89
R-355
 |
| 25-Desacetyl Rifaximin-d6
C42H45N3O9D6 M.W. 747.93
R-356
 | | | Ritalinic acid
CAS No. 95-41-6
C13H17NO2 M.W. 219.29
R-361
 |
| Ritalinic Acid Lactam
CAS No. 54593-31-6
C13H15NO3 M.W. 233.27
R-362
 | | | Roflumilast
CAS No. 162401-32-3
C17H14Cl2F2N2O3 M.W. 403.22
R-371
 |
| Roflumilast-d4
C17H10Cl2F2N2O3D4 M.W. 407.24
R-3710
 | | | Roflumilast-d3
CAS No. 1189992-00-4
C17H11Cl2F2N2O3D3 M.W. 406.23
R-372
 |
| Roflumilast N-Oxide
CAS No. 292135-78-5
C17H14Cl2F2N2O4 M.W. 419.21
R-373
 | | | Roflumilast Impurity 1
C17H14Cl2F2N2O3 M.W. 403.22
R-374
 |
| Roflumilast Impurity 2
C13H8Cl2F2N2O3 M.W. 349.12
R-375
 | | | Roflumilast Impurity 3
C20H20Cl2N2O3 M.W. 407.30
R-376
 |
| Roflumilast Impurity 4
C14H8Cl2F4N2O3 M.W. 399.13
R-377
 | | | Roflumilast Impurity 5
C16H14Cl2N2O3 M.W. 353.21
R-378
 |
| Roflumilast-d4 N-Oxide
C17H10Cl2F2N2O4D4 M.W. 423.24
R-379
 | | | all-trans Retinoic acid
CAS No. 302-79-4
C20H28O2 M.W. 300.44
R-381
 |
| all-trans Retinoic acid-d5
C20H23O2D5 M.W. 305.48
R-382
 | | | 9-cis Retinoic acid
CAS No. 5300-03-8
C20H28O2 M.W. 300.44
R-383
 |
| 9-cis Retinoic acid-d5
C20H23O2D5 M.W. 305.48
R-384
 | | | rac-4-Hydroxy-9-cis Retinoic acid
CAS No. 150737-17-0
C20H28O3 M.W. 316.44
R-385
 |
| 4-Keto-9-cis Retinoic acid
CAS No. 150737-18-1
C20H26O3 M.W. 314.43
R-386
 | | | 4-Keto-9-cis Retinoic acid-d3
C20H23O3D3 M.W. 317.45
R-387
 |
| 4-Keto-9-cis Retinoic acid methyl ester
CAS No. 163955-59-7
C21H28O3 M.W. 328.46
R-388
 | | | 4-Oxo Retinoic Acid
C20H26O3 M.W. 314.43
R-389
 |
| Rufinamide
CAS No. 106308-44-5
C10H8F2N4O M.W. 238.20
R-391
 | | | Rufinamide-15N-d2
C10H6F2N4OD2 M.W. 241.20
R-392
 |
| Roxatidine
CAS No. 78273-80-0
C17H26N2O3 M.W. 306.41
R-401
 | | | Roxatidine-d10
CAS No. N/A
C17H16N2O3D10 M.W. 316.47
R-402
 |
| Ramosetron-d3
CAS No. N/A
C17H14N3OD3 M.W. 282.36
R-411
 | | | Rupatadine Fumarate
C26H26ClN3. C4H4O4 M.W. 415.97 116.07
R-421
 |
| Rupatadine Impurity D
C33H34ClN4 M.W. 522.12
R-422
 | | | Rotigotine
CAS No. 99755-59-6
C19H25NOS M.W. 315.48
R-431
 |
| Rotigotine-d7
CAS No. N/A
C19H18NOSD7 M.W. 322.52
R-432
 | | | Rotigotine Sulfate
CAS No. 128478-69-3
C19H25NO4S2 M.W. 395.45
R-433
 |
| Rotigotine D-Glucuronide
CAS No. 128464-29-9
C25H33NO7S M.W. 491.61
R-434
 | | | Dethienylethyl Rotigotine
C14H22N M.W. 204.34
R-435
 |
| Depropyl Rotigotine
C16H19NOS M.W. 273.40
R-436
 | | | 7,8-Dihydro Naphthol
C10H10O M.W. 146.19
R-437
 |
| Raubasine
CAS No. 483-04-5
C21H24N2O3 M.W. 352.44
R-441
 | | | Riboflavin-d6
C17H14N4O6D6 M.W. 382.41
R-681
 |
| Riboflavin
C17H20N4O6 M.W. 376.37
R-682
 | | | Rafoxanide
CAS No. 22662-39-1
C19H11Cl2I2NO3 M.W. 626.02
R-691
 |
| Rafoxanide-d4
C19H7Cl2I2NO3D4 M.W. 630.04
R-692
 | | | Ronidazole-d3
CAS No. 1015855-87-4 (non-d)
C6H5N4O4D3 M.W. 203.17
R-702
 |
| Ruboxistaurin HCl
C28H28N4O3 . HCl M.W. 468.56 36.46
R-711
 | | | 7-O-Desmethyl Rapamycin
C50H77NO13 M.W. 900.17
R-721
 |
| Racecadotril Impurity C
C14H17NO4S M.W. 295.36
R-731
 | | | Racecadotril Impurity D
C24H28N2O6S2 M.W. 504.63
R-732
 |
| Racecadotril Impurity E
C10H10O2 M.W. 162.19
R-733
 | | | Racecadotril Impurity F
C19H19NO3 M.W. 309.37
R-734
 |
| Racecadotril Impurity H
C38H40N2O6S2 M.W. 684.88
R-735
 | | | Roxithromycin
CAS No. 80214-83-1
C41H76N2O15 M.W. 837.07
R-741
 |
| Roxithromycin Impurity G
CAS No. 425365-64-6
C42H78N2O16 M.W. 867.09
R-742
 | | | Rofecoxib
CAS No. 162011-90-7
C17H14O4S M.W. 314.36
R-751
 |
| Rofecoxib-d5
CAS No. N/A
C17H9O4SD5 M.W. 319.39
R-752
 | | | 9-cis Retinol Acetate
CAS No. 29584-22-3
C22H32O2 M.W. 328.50
R-761
 |
