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| Benazepril HCl CAS No. 86541-74-4 C24H28N2O5.HCl M.W. 460.96 B-011
 | | | Benazeprilat CAS No. 86541-78-8 C22H24N2O5 M.W. 396.45 B-012
 |
| Benazepril-d5 HCl CAS No. 86541-74-4(non-d) C24H23D5N2O5.HCl M.W. 465.99 B-013
 | | | Benazeprilat-d5 CAS No. 86541-78-8(non-d) C22H19D5N2O5 M.W. 401.48 B-014
 |
| (R)-(-)Bicalutamide CAS No. 113299-40-4 C18H14F4N2O4S M.W. 369.39 B-021
 | | | Bicalutamide-d4 CAS No. 90357-06-5(non-d) C18H10D4F4N2O4S M.W. 373.41 B-022
 |
| (R)-(-)-Bicalutamide-d4 CAS No. 113299-40-4 (non-d) C18H10D4F4N2O4S M.W. 373.41 B-023
 | | | S-Bicalutamide C18H14F4N2O4S M.W. 430.38 B-024
 |
| S-Bicalutamide-d4 C18H10F4N2O4SD4 M.W. 434.41 B-025
 | | | Bicalutamide Glucoronide C24H22F4N2O10S M.W. 606.51 B-026
 |
| Bicalutamide C18H14F4N2O4S M.W. 430.38 B-027
 | | | Desfluoro Bicalutamide CAS No. 90357-05-4 C18H15F3N2O4S M.W. 412.39 B-028
 |
| Budesonide-d8 CAS No. 51333-22-3 (non-d) C25H27D8O6 M.W. 438.59 B-031
 | | | Budesonide-14,15-dehydro C25H32O6 M.W. 428.53 B-0310
 |
| D-Homo Budesonide CAS No. N/A C23H30O6 M.W. 402.49 B-0311
 | | | Budesonide Impurity G CAS No. N/A C25H36O6 M.W. 432.56 B-0312
 |
| 6-Beta-Hydroxy-Budesonide-d7 CAS No. N/A C25H27O7D7 M.W. 453.59 B-0313
 | | | Budesonide Sulfate CAS No. N/A C25H34O9S M.W. 510.61 B-0314
 |
| 23-Hydroxy Budesonide CAS No. N/A C25H34O7 M.W. 446.55 B-0315
 | | | 24-Hydroxy Budesonide CAS No. N/A C25H34O7 M.W. 446.55 B-0316
 |
| 6-Beta-Hydroxy Budesonide Sulfate CAS No. N/A C25H34O10S M.W. 526.61 B-0317
 | | | Budesonide-22S CAS No. 51372-28-2 C25H34O6 M.W. 430.55 B-032
 |
| Budesonide-22R CAS No. 51372-29-3 C25H34O6 M.W. 430.55 B-033
 | | | Budesonide C25H34O6 M.W. 430.55 B-034
 |
| Budesonide Impurity D CAS No. 85234-63-5 C25H32O6 M.W. 428.53 B-035
 | | | 6-Alpha-Hydroxy Budesonide CAS No. 577777-51-6 C25H34NO7 M.W. 446.55 B-036
 |
| 6-Beta-Hydroxy Budesonide CAS No. 88411-77-2 C25H34NO7 M.W. 446.55 B-037
 | | | Budesonide impurity K C27H36O7 M.W. 472.58 B-038
 |
| Budesonide impurity L C25H32O6 M.W. 428.53 B-039
 | | | Bupropion-d9 HCl CAS No. 31677-93-7 (non-d) C13H9ClNOD9.HCl M.W. 285.26 B-051
 |
| Bupropion Impurity HCl (2-Amino-1-(3-Chlorophenyl)-1-Propanone HCl) C9H10ClNO. HCl M.W. 183.64 36.46 B-0510
 | | | 2-(tert-Butylamino)-3’, 4’-Dichloropropiophonone HCl CAS No. N/A C13H17Cl2NO HCl M.W. 274.19 36.46 B-0511
 |
| 2-(tert-Butylamino)-3’, 5’-Dichloropropiophonone HCl CAS No. N/A C13H17Cl2NO HCl M.W. 274.19 36.46 B-0512
 | | | Bupropion Impurity E (1-(3-Chlorophenyl)-1,2-Propanedione) CAS No. 10557-17-2 C9H7ClO2 M.W. 182.61 B-0513
 |
| 3-Deschloro-2-Chloro Bupropion HCl (2-(tert-Butylamino)-2'-Chloropropiophenone HCl) CAS No. 1049718-57-1 C13H18ClNO HCl M.W. 239.75 36.46 B-0514
 | | | Bupropion Impurity (3-Chlorobenzoic Acid) CAS No. 535-80-8 C7H5ClO2 M.W. 156.57 B-0515
 |
| Bupropion Impurity ((3R,5RS,6RS)-6-(3-Chlorophenyl)-6-Hydroxy-5-Methyl-3-Thiomorpholine Carboxylic Acid) C12H14ClNO3S M.W. 287.77 B-0516
 | | | erythro-Dihydro-Bupropion-D-Glucuronide CAS No. N/A C19H28ClNO7 M.W. 417.89 B-0517
 |
| threo-Dihydro-Bupropion-D-Glucuronide CAS No. N/A C19H28ClNO7 M.W. 417.89 B-0518
 | | | Bupropion morpholinol (Hydroxy Bupropion) CAS No. 357399-43-0 C13H18ClNO2 M.W. 255.75 B-052
 |
| Bupropion morpholinol-d6 CAS No. 357399-43-0(non-d) C13H12D6ClNO2 M.W. 261.78 B-053
 | | | threo-Hydroxy Bupropion-d9 HCl C13H11ClNOD9.HCl M.W. 287.32 B-054
 |
| threo-Hydroxy Bupropion HCl CAS No. 153365-82-3 C13H20ClNO.HCl M.W. 278.22 B-055
 | | | erythro-Hydroxy Bupropion HCl CAS No. 292055-72-2 C13H20ClNO. HCl M.W. 278.22 B-056
 |
| erythro-Hydroxy Bupropion-d9 HCl CAS No. 292055-72-2 (non-d) C13H11D9ClNO.HCl M.W. 287.22 B-057
 | | | Bupropion Hydrochloride CAS No. 31677-93-7 C13H18ClNO.HCl M.W. 239.75 36.46 B-058
 |
| Bupropion Impurity CAS No. N/A C12H12ClNO4S M.W. 301.75 B-059
 | | | (S)-Bupivacaine HCl CAS No. 27626-47-1 C18H28N2O . HCl M.W. 324.90 B-061
 |
| Bupivacaine Impurity F C8H11N M.W. 121.18 B-0610
 | | | (R)-Bupivacaine HCl CAS No. 27262-45-9 C18H28N2O. HCl M.W. 324.90 B-062
 |
| rac-Bupivacaine-d9 CAS No. 47668-57-0 C18H19N2OD9 M.W. 297.49 B-063
 | | | Bupivacaine HCl C18H28N2O. HCl M.W. 288.44 36.46 B-064
 |
| Bupivacaine Impurity A C14H14N2O M.W. 226.28 B-065
 | | | Betamethasone Enol Aldehyde E Isomer C22H27FO4 M.W. 374.46 B-065001
 |
| Betamethasone 21-Acetate 17-Propionate CAS No. 5514-81-8 C27H35FO7 M.W. 490.57 B-065002
 | | | Betamethasone 17-Propionate CAS No. 5534-13-4 C25H33FO6 M.W. 448.54 B-065003
 |
| Betamethasone 21-Propionate CAS No. 75883-07-7 C25H33FO6 M.W. 448.54 B-065004
 | | | Betamethasone Tripropionate CAS No. 1186048-33-8 C31H41FO8 M.W. 560.67 B-065005
 |
| Betamethasone 9,11-Epoxide CAS No. 981-34-0 C22H28O5 M.W. 372.47 B-065006
 | | | Betamethasone-d10 Dipropionate C28H27FO7D10 M.W. 514.66 B-065007
 |
| Betamethasone-d5 C22H24FO5D5 M.W. 397.50 B-065008
 | | | Bupivacaine Impurity B C14H20N2O M.W. 232.33 B-066
 |
| Balanol CAS No. 63590-19-2 C32H34N2O6 M.W. 542.64 B-066001
 | | | Bupivacaine Impurity C C14H17NO M.W. 215.30 B-067
 |
| Bucillamine C7H13NO3S2 M.W. 223.31 B-067001
 | | | Bucillamine-d6 C7H7NO3S2D6 M.W. 229.35 B-067002
 |
| Bupivacaine Impurity D C14H19Cl2NO M.W. 288.22 B-068
 | | | Busulfan Impurity 1 CAS No. N/A C6H14O5S2 M.W. 230.30 B-068001
 |
| Busulfan Impurity 2 CAS No. N/A C10H22O9S3 M.W. 382.47 B-068002
 | | | Bupivacaine Impurity E C18H30N2O M.W. 290.45 B-069
 |
| (S)-5-(2-Aminopropyl)-2-Methoxybenzenesulfonamide CAS No. 119714-13-5 C10H16N2O3S M.W. 244.31 B-069001
 | | | Bamifylline CAS No. 2016-63-9 C20H27N5O3 M.W. 385.47 B-070001
 |
| 6-Hydroxy Buspirone CAS No. 125481-61-0 C21H31N5O3 M.W. 401.51 B-071
 | | | Bromperidol CAS No. 10457-90-6 C21H23BrFNO2 M.W. 420.33 B-071001
 |
| Buspirone-d8 Hydrochloride CAS No. 204395-49-3 C21H23N5O3D8.HCl M.W. 393.56 36.46 B-072
 | | | Buspirone Metabolite (1-(2-Pyrimidyl)-Piperazine) C8H12N4 M.W. 164.21 B-073
 |
| 5-Hydroxy Buspirone HCl C21H31N5O3.HCl M.W. 401.51 36.46 B-074
 | | | Buspirone N-Oxide C21H31N5O3 M.W. 401.51 B-075
 |
| Buspirone Impurity K C9H13NO2 M.W. 167.21 B-076
 | | | Buspirone Hydrochloride CAS No. 33386-08-2 C21H31N5O2.HCl M.W. 385.51 36.46 B-077
 |
| Benserazide-d3 CAS No. 322-35-0 (non-d) C10H12N3O5D3 M.W. 260.27 B-081
 | | | Trihydroxybenzyl hydrazide C7H10N2O3 M.W. 170.17 B-082
 |
| Trihydroxybenzyl hydrazide-15N2 C7H10N2O3 M.W. 172.19 B-083
 | | | Benserazide-d3 HCl C10H12N3O5D3.HCl M.W. 260.27 36.46 B-084
 |
| Bisoprolol-d5 Hemifumarate CAS No. 66722-44-9 (non-d) C18H26NO4D5 M.W. 330.48 B-091
 | | | Bisoprolol Impurity * C16H25NO5 M.W. 311.38 B-0910
 |
| Bisoprolol Impurity E (Dehydroxy Bisoprolol ) CAS No. 1217245-60-7 C18H29NO3 M.W. 307.44 B-0911
 | | | Bisoprolol Impurity B C18H29NO3 M.W. 307.44 B-0912
 |
| Bisoprolol Hemifumarate CAS No. 104344-23-2 C36H62N2O8.C4H4O4 M.W. 650.90 116.07 B-092
 | | | Bisoprolol EP Impurity A CAS No. 62572-93-4 C13H21NO3 M.W. 239.32 B-093
 |
| Bisoprolol Acid Impurity CAS No. 72570-70-8 C13H19NO4 M.W. 253.30 B-094
 | | | Bisoprolol EP Impurity L CAS No. 29122-74-5 C13H19NO3 M.W. 237.30 B-095
 |
| Bisoprolol Impurity C15H23NO5 M.W. 297.35 B-096
 | | | Bisoprolol EP Impurity G CAS No. 1215342-36-1 C19H33NO5 M.W. 355.48 B-097
 |
| Bisoprolol EP Impurity K CAS No. 864544-37-6 C18H29NO5 M.W. 339.44 B-098
 | | | Bisoprolol Phenol Impurity CAS No. 62340-37-8 C12H19NO3 M.W. 225.29 B-099
 |
| Buserelin CAS No. 57982-77-1 C60H86N16O13 M.W. 1239.45 B-101
 | | | Buserelin-d5 CAS No. 57982-77-1 (non-d) C60H81N16O13D5 M.W. 1244.48 B-102
 |
| Bethanechol-d6 CAS No. 674-38-4 (non-d) C6H8N2O2D6 M.W. 152.23 B-111
 | | | Bethanechol-d6 Chloride CAS No. 590-63-6 (non-d) C7H11N2O2D6.Cl M.W. 167.26 35.4 B-112
 |
| Bosentan CAS No. 147536-97-8 C27H29N5O6S M.W. 551.63 B-121
 | | | Bosentan-d4 CAS No. 147536-97-8 (non-d) C27H25N5O6SD4 M.W. 555.65 B-122
 |
| Hydroxy Bosentan C27H29N5O7S M.W. 567.63 B-123
 | | | Hydroxy Bosentan-d4 C27H25N5O7SD4 M.W. 571.65 B-124
 |
| Hydroxy Bosentan-d6 C27H23N5O7SD6 M.W. 573.66 B-125
 | | | Desmethyl Bosentan C26H27N5O6S M.W. 537.60 B-126
 |
| Hydroxy O-Desmethyl Bosentan C26H27N5O7S M.W. 553.60 B-127
 | | | Desmethyl Bosentan-d4 CAS No. N/A C26H23N5O6SD4 M.W. 541.62 B-128
 |
| Hydroxy Desmethyl Bosentan-d4 CAS No. N/A C26H23N5O7SD4 M.W. 557.62 B-129
 | | | Brassinolide C28H48O6 M.W. 480.69 B-131
 |
| Betaxolol HCl CAS No. 63659-18-7 C18H29NO3.HCl M.W. 307.44 36.46 B-141
 | | | Betaxolol-d5 CAS No. 63659-18-7 (non-d) C18H24NO3D5 M.W. 312.47 B-142
 |
| Betaxolol-d7 HCl C18H22NO3D7.HCl M.W. 314.48 36.46 B-143
 | | | Bismuth Potassium Iodide Bi.7 I.4 K M.W. 208.98 7 126.90 4 39.10 B-151
 |
| Bismuth Sodium Tartrate C12H12BiO18.3 Na M.W. 653.20 3 22.99 B-152
 | | | Brimonidine Impurity I (5-Bromoquinazolin-6-ylthiourea) CAS No. 842138-74-3 C9H7BrN4S M.W. 283.15 B-161
 |
| Brimonidine CAS No. 59803-98-4 C11H10BrN5 M.W. 292.14 B-162
 | | | Brimonidine-d4 CAS No. 59803-98-4 (non-d) C11H6D4BrN5 M.W. 296.18 B-163
 |
| Brimonidine impurity II (N-(4,5-dihydro-1H-imidazol-2-yl)-6-Quinoxalinamine) C11H11N5 M.W. 213.24 B-164
 | | | Brimonidine Tartrate C11H10BrN5.C4H6O6 M.W. 292.14 150.09 B-165
 |
| Brimonidine Tartrate Impurity 1 CAS No. N/A C11H10BrN5O2 M.W. 324.14 B-166
 | | | Brimonidine Tartrate Impurity 2 CAS No. N/A C10H8BrN3S M.W. 282.16 B-167
 |
| Brimonidine Tartrate Impurity 3 CAS No. N/A C13H14N4 M.W. 226.28 B-168
 | | | Bilastine C28H37N3O3 M.W. 463.63 B-171
 |
| Bilastine-d4 C28H33N3O3D4 M.W. 467.65 B-172
 | | | Benzoyl Peroxide CAS No. 94-36-0 C14H10O4 M.W. 242.23 B-181
 |
| Bromopride C14H22BrN3O2 M.W. 344.25 B-191
 | | | Brinzolamide CAS No. 138890-62-7 C12H21N3O5S3 M.W. 383.51 B-201
 |
| Brinzolamide-d5 CAS No. 150937-43-2 (non-d) C12H16N3O5S3D5 M.W. 388.58 B-202
 | | | N-Desethyl Brinzolamide C10H17N3O5S3 M.W. 355.46 B-203
 |
| N-Desethyl Brinzolamide-d3 C10H14N3O5S3D3 M.W. 358.47 B-204
 | | | Brinzolamide Related Compound A CAS No. 154127-42-1 C10H16N2O6S3 M.W. 356.44 B-205
 |
| Buclizine diHCl CAS No. 82-95-1 C28H33ClN2.2 HCl M.W. 433.04 2 36.46 B-211
 | | | Buclizine-d8 CAS No. 82-95-1(non-d) C28H25ClN2D8 M.W. 441.14 B-212
 |
| Berberine Sulfate CAS No. 316-41-6 2 C20H18NO4.O4S.3 H2O M.W. 2 336.37 96.06 3 18.02 B-221
 | | | Beclomethasone-21-monopropionate CAS No. 69224-79-9 C25H33ClO6 M.W. 464.99 B-231
 |
| Beclomethasone-17-monopropionate CAS No. 5534-18-9 C25H33ClO6 M.W. 464.99 B-232
 | | | Beclomethasone-17-monopropionate-d5 CAS No. 5534-18-9 (non-d) C25H28ClO6D5 M.W. 470.02 B-233
 |
| Beclomethasone Dipropionate-d10 C28H27ClO7D10 M.W. 531.12 B-234
 | | | Beclomethasone Dipropionate C28H37ClO7 M.W. 521.06 B-235
 |
| Beclomethasone C22H29ClO5 M.W. 408.93 B-236
 | | | Beclomethasone Impurity D CAS No. 52092-14-5 C28H37BrO7 M.W. 565.51 B-237
 |
| Bimatoprost-d5 C25H32NO4D5 M.W. 420.61 B-2402
 | | | Bimatoprost CAS No. 155206-00-1 C25H37NO4 M.W. 415.58 B-241
 |
| 15-Keto Bimatoprost C25H35NO4 M.W. 413.56 B-243
 | | | 15-epi Bimatoprost ((15R)-Bimatoprost) CAS No. 1163135-92-9 C25H37NO4 M.W. 415.58 B-244
 |
| Bimatoprost Acid Methyl Ester C24H34O5 M.W. 402.54 B-245
 | | | 5-Trans Bimatoprost C25H37NO4 M.W. 415.58 B-246
 |
| Bimatoprost Acid CAS No. 38344-08-0 C23H32O5 M.W. 388.51 B-247
 | | | Bufuralol Hydrochloride CAS No. 59652-29-8 C16H23NO2.HCl M.W. 261.37 36.46 B-251
 |
| Bufuralol-d9 Hydrochloride CAS No. 59652-29-8 (non-d) C16H14NO2D9.HCl M.W. 270.52 36.46 B-252
 | | | (R)-Bufuralol Hydrochloride CAS No. 57704-10-604-11-7 C16H23NO2.HCl M.W. 261.37 36.46 B-253
 |
| (S)-Bufuralol Hydrochloride CAS No. 57704-10-6 261.37 36.46 M.W. C16H23NO2.HCl B-254
 | | | 1'-Hydroxy Bufuralol (Mixture of Diastereomers) CAS No. 57704-16-2 C16H23NO3 M.W. 277.37 B-255
 |
| 1'-Hydroxy Bufuralol-d9 (Mixture of Diastereomers) CAS No. 57704-16-2 (non-d) C16H14NO3D9 M.W. 286.54 B-256
 | | | 1'-Oxpbufuralol Hydrochloride CAS No. 137740-37-5 C16H21NO3.HCl M.W. 311.81 B-257
 |
| Bisacodyl CAS No. 603-50-9 C22H19NO4 M.W. 361.40 B-261
 | | | Bisacodyl Impurity D CAS No. 10040-45-6 C18H13NO8S2 2Na M.W. 435.43 2x22.99 B-2610
 |
| Bisacodyl-d8 CAS No. 603-50-9 C22H11NO4D8 M.W. 369.44 B-262
 | | | Bisacodyl phenol C18H15NO2 M.W. 277.33 B-263
 |
| Bisacodyl phenol-d8 C18H7NO2D8 M.W. 285.38 B-264
 | | | Bisacodyl phenol glucuronide C24H23NO8 M.W. 453.45 B-265
 |
| Bisacodyl Impurity A C18H15NO2 M.W. 277.33 B-266
 | | | Bisacodyl Impurity B C18H15NO2 M.W. 277.33 B-267
 |
| Bisacodyl Impurity C C20H17NO3 M.W. 319.36 B-268
 | | | Bisacodyl Impurity E C22H19NO4 M.W. 361.40 B-269
 |
| Biotin CAS No. 58-85-5 C10H16N2O3S M.W. 244.31 B-271
 | | | rac-Biotin-d4 CAS No. 1217850-77-5 C10H12N2O3SD4 M.W. 248.34 B-272
 |
| Benidipine Hydrochloride CAS No. 91599-74-5 C28H31N3O6.HCl M.W. 505.58 36.46 B-281
 | | | Benidipine-d5 Hydrochloride CAS No. 91599-74-5 (non-labelled) C28H26N3O6D5.HCl M.W. 510.61 36.46 B-282
 |
| 2-Ethoxy Benzoic Acid C9H10O3 M.W. 166.18 B-291
 | | | Balsalazide-d4 CAS No. 80573-04-2 (non-d) C16H9N3O6D4 M.W. 347.32 B-301
 |
| Balsalazide USP Impurity 1 CAS No. 1242567-11-8 C27H24N6O9 M.W. 576.53 B-302
 | | | Balsalazide USP Impurity 2 CAS No. 1242567-09-4 C17H15N3O6 M.W. 357.33 B-303
 |
| Balsalazide USP Impurity 3 C27H24N6O9 M.W. 576.53 B-304
 | | | Balsalazide USP Impurity 4 C27H24N4O9 M.W. 548.51 B-305
 |
| Balsalazide USP Impurity 5 C20H21N3O6 M.W. 399.41 B-306
 | | | Bendroflumethiazide-d5 CAS No. 74-48-3 (non-d) C15H9F3N3O4S2D5 M.W. 426.45 B-311
 |
| (R)-Bendroflumethiazide CAS No. 1087345-31-0 C15H14F3N3O4S2 M.W. 421.42 B-312
 | | | (S)-Bendroflumethiazide CAS No. 1245935-40-3 C15H14F3N3O4S2 M.W. 421.42 B-313
 |
| Bexarotene CAS No. 153559-49-0 C24H28O2 M.W. 348.49 B-321
 | | | Bexarotene-d4 CAS No. 153559-49-0(non-d) C24H24O2D4 M.W. 352.51 B-322
 |
| 6-Hydroxy Bexarotene C24H28O3 M.W. 364.49 B-323
 | | | 7-Hydroxy Bexarotene C24H28O3 M.W. 364.49 B-324
 |
| Bexarotene Acyl Glucuronide C30H36O8 M.W. 524.62 B-325
 | | | Bromocriptine CAS No. 22260-51-1 C32H40BrN5O5 M.W. 654.61 B-331
 |
| Bromocriptine-13C-d3 C32H37BrN5O5D3 M.W. 658.62 B-332
 | | | Bromocriptine Mesylate C32H40BrN5O5.CH4O3S M.W. 654.61 96.11 B-333
 |
| Bergapten-d3 C12H5O4D3 M.W. 219.21 B-341
 | | | Biopterin CAS No. 22150-76-1 C9H11N5O3 M.W. 237.22 B-351
 |
| Biopterin-d3 C9H18N5O3D3 M.W. 240.24 B-352
 | | | 7,8-dihydro biopterin C9H13N5O3 M.W. 239.24 B-353
 |
| 7,8-Dihydro-L-Biopterin-d3 C9H10N5O3D3 M.W. 242.25 B-354
 | | | Betahistine Impurity A (2-Vinylpyridine) C7H7N M.W. 105.14 B-361
 |
| Betahistine Impurity C Trihydrochloride C15H19N3.3 HCl M.W. 241.34 3 36.46 B-362
 | | | Betahistine Impurity B (2-(2-Hydroxyethyl)pyridine) C7H9NO M.W. 123.16 B-363
 |
| Betahistine-d3 C8H9N2D3 . 2 HCl M.W. 139.22 2 36.46 B-364
 | | | Bromhexine Impurity A CAS No. 50739-76-9 C7H7Br2NO M.W. 280.95 B-371
 |
| Bromhexine Impurity B CAS No. 50910-55-9 C7H5Br2NO M.W. 278.93 B-372
 | | | Bromhexine Hydrochloride CAS No. 611-75-6 C14H20Br2N2.HCl M.W. 412.60 B-373
 |
| Bromhexine Impurity C CAS No. 57365-08-9 C14H22N2 M.W. 218.34 B-374
 | | | Bromhexine Impurity D CAS No. 132004-28-5 C14H21BrN2 M.W. 297.24 B-375
 |
| Bromhexine Impurity E CAS No. NA C15H21Br2N2 M.W. 389.16 B-376
 | | | 3,4-Diamino Benzophenone C13H12N2O M.W. 212.25 B-381
 |
| 4-Amino-3-Nitro Benzophenone C13H10N2O3 M.W. 242.24 B-382
 | | | Busperidone Impurity A C8H12N4 M.W. 164.21 B-391
 |
| Busperidone Impurity K C9H13NO2 M.W. 167.21 B-392
 | | | Baclofen-d4 C10H8ClNO2D4 M.W. 217.69 B-401
 |
| Gama-Hydroxy Baclofen C10H12ClNO3 M.W. 229.67 B-402
 | | | Barnidipine-d5 HCl C27H24N3O6D5 M.W. 496.58 B-411
 |
| Barnidipine-d4 CAS No. 117152-15-5 C27H25N3O6D4 M.W. 495.57 B-412
 | | | Dehydro Barnidipine C27H27N3O6 M.W. 489.53 B-413
 |
| Barnidipine CAS No. 104713-75-9 C27H29N3O6 M.W. 491.55 B-414
 | | | Barnidipine HCl C27H29N3O6.HCl M.W. 491.55 36.46 B-415
 |
| Benzetimide Hydrochloride CAS No. 5633-14-7 C23H26N2O2.HCl M.W. 362.48 36.46 B-421
 | | | Benzetimide-d5 Hydrochloride C23H21N2O2D5 . HCl M.W. 367.51 36.46 B-422
 |
| Bendamustine Impurity A CAS No. N/A C16H22ClN3O3 M.W. 339.83 B-431
 | | | Bendamustine Impurity B CAS No. N/A C32H43ClN6O6 M.W. 643.19 B-432
 |
| Bendamustine Impurity C CAS No. N/A C19H27Cl2N3O2 M.W. 400.35 B-433
 | | | Bendamustine N-Alkylated Impurity CAS No. N/A C14H18ClN3O2 M.W. 295.77 B-434
 |
| Bendamustine HCl C16H21Cl2N3O2. HCl M.W. 358.27 36.46 B-435
 | | | Bendamustine-d4 C16H17Cl2N3O2D4 M.W. 362.29 B-436
 |
| Dodecylbenzenesulphonic Acid (Mixture of Isomers) C18H30O3S M.W. 326.50 B-441
 | | | Benzocaine CAS No. 94-09-7 C9H11NO2 M.W. 165.19 B-451
 |
| Benzocaine Acetylsalicylamide CAS No. 23437-10-7 C18H17NO5 M.W. 327.34 B-452
 | | | N-Acetyl Benzocaine CAS No. 5338-44-3 C11H13NO3 M.W. 207.23 B-453
 |
| Ethyl 4-Nitrobenzoate CAS No. 99-77-4 C9H9NO4 M.W. 195.18 B-454
 | | | Ethyl Benzoate C9H10O2 M.W. 150.18 B-456
 |
| Benzocaine-N-Beta-D-Glucoside CAS No. 28315-50-6 C15H21NO7 M.W. 327.34 B-457
 | | | Bortezomib CAS No. 179324-69-7 C19H25BN4O4 M.W. 384.25 B-461
 |
| Bortezomib Impurity C C19H25BN4O4 M.W. 384.25 B-4610
 | | | Bortezomib Impurity F C15H15N3O3 M.W. 285.31 B-4611
 |
| Bortezomib Impurity G C19H24N4O3 M.W. 356.43 B-4612
 | | | Bortezomib Impurity H C19H24N4O2 M.W. 340.43 B-4613
 |
| Bortezomib Impurity A C14H14N4O2 M.W. 270.29 B-4614
 | | | Bortezomib Impurity E C19H24N4O3 M.W. 356.43 B-4615
 |
| Bortezomib Impurity M CAS No. N/A C19H24N4O4 M.W. 372.43 B-4616
 | | | Bortezomib Impurity N CAS No. N/A C19H24N4O4 M.W. 372.43 B-4617
 |
| (S)-3-Phenyl-2-(pyrazine-2-carbonylamino)propanoic Acid CAS No. 114457-94-2 C14H13N3O3 M.W. 271.28 B-462
 | | | Bortezomib Impurity-5 C19H25BN4O4 M.W. 384.25 B-463
 |
| Bortezomib Impurity 1 C14H13N3O3 M.W. 271.28 B-464
 | | | Bortezomib Impurity 2 C19H24N4O3 M.W. 356.43 B-465
 |
| Bortezomib Impurity 3 C14H14N4O2 M.W. 270.29 B-466
 | | | Bortezomib Impurity (R,R-Isomer) C19H25BN4O4 M.W. 384.25 B-467
 |
| Bortezomib Impurity (R,S-Isomer) C19H25BN4O4 M.W. 384.25 B-468
 | | | Bortezomib Impurity (S,S-Isomer) C19H25BN4O4 M.W. 384.25 B-469
 |
| Bromfenac CAS No. 91714-94-2 C15H12BrNO3 M.W. 334.17 B-471
 | | | Bromfenac-d4 CAS No. N/A C15H8BrNO3D4 M.W. 338.20 B-472
 |
| Bromfenac Glucuronide CAS No. N/A C21H20BrNO9 M.W. 510.30 B-473
 | | | Bromfenac Glucoside CAS No. N/A C21H20BrNO9 M.W. 510.30 B-474
 |
| Bromfenac Lactam CAS No. 91713-91-6 C15H10BrNO2 M.W. 316.16 B-475
 | | | Dichlofenac Lactam CAS No. 15362-40-0 C14H9Cl2NO M.W. 278.14 B-476
 |
| 7-(4-Bromobenzoyl)indoline-2,3-dione C15H8BrNO3 M.W. 330.14 B-477
 | | | 2-Amino-3-(4-bromobenzoyl)benzoic acid CAS No. 241496-82-2 C14H10BrNO3 M.W. 320.14 B-478
 |
| 2-Amino-3-(4-bromobenzoyl)phenyloxoacetic acid C15H10BrNO4 M.W. 348.16 B-479
 | | | Bazedoxifene C30H34N2O3 M.W. 470.62 B-481
 |
| Bazedoxifene-d4 C30H30N2O3D4 M.W. 474.64 B-482
 | | | Bazedoxifene-4-glucuronide C36H42N2O9 M.W. 646.74 B-483
 |
| Bazedoxifene-5-glucuronide C36H42N2O9 M.W. 646.74 B-484
 | | | Bazedoxifene-N-Oxide C30H34N2O4 M.W. 486.62 B-485
 |
| Benzydamine Hydrochloride Impurity C C14H12N2O M.W. 224.26 B-491
 | | | Benzydamine N-Oxide Hydrochloride C19H24N3O2Cl M.W. 361.87 B-492
 |
| N,N-Dimethyl-3-chloropropylamine hydrochloride C5H13Cl2N M.W. 158.07 B-493
 | | | Benzydamine HCl CAS No. 132-69-4 C19H23N3O HCl M.W. 309.41 36.46 B-494
 |
| Benzydamine-d6 HCl CAS No. N/A C19H17N3OD6 HCl M.W. 315.45 36.46 B-495
 | | | Bepotastine-d6 C21H19ClN2O3D6 M.W. 394.93 B-501
 |
| Bumetanide-d5 C17H15N2O5SD5 M.W. 369.45 B-512
 | | | 3-Hydroxy Benzopyrene CAS No. 13345-21-6 C20H12O M.W. 268.32 B-521
 |
| 3-Hydroxy Benzopyrene-d11 C20HOD11 M.W. 279.38 B-522
 | | | 9-Hydroxy Benzopyrene C20H12O M.W. 268.32 B-523
 |
| 9-Hydroxy Benzopyrene-d11 C20HOD11 M.W. 279.38 B-524
 | | | Boceprevir CAS No. 394730-60-0 C27H45N5O5 M.W. 519.69 B-531
 |
| Benztropine Mesylate C21H25NO.CH4O3S M.W. 307.44 96.11 B-541
 | | | Benzhexol HCl C20H31NO.HCl M.W. 301.48 36.46 B-551
 |
| Blonanserin Impurity 1 C29H43N5 M.W. 461.70 B-561
 | | | Blonanserin Impurity 2 C23H31N3 M.W. 349.52 B-562
 |
| Blonanserin Impurity 3 C17H19FN2 M.W. 270.35 B-563
 | | | Blonanserin Impurity 4 C21H26FN3 M.W. 339.46 B-564
 |
| Blonanserin Impurity 5 C20H26FN3 M.W. 327.45 B-565
 | | | Blonanserin CAS No. 132810-10-7 C23H30FN3 M.W. 367.51 B-566
 |
| Blonanserin-d5 C23H25FN3D5 M.W. 372.54 B-567
 | | | Blonanserin-d8 C23H22FN3D8 M.W. 375.56 B-568
 |
| Benzethonium-d7 Chloride C27H35NO2D7 . Cl M.W. 419.68 35.45 B-571
 | | | Benzethonium Chloride CAS No. 121-54-0 C27H42NO2. Cl M.W. 412.64 35.45 B-572
 |
| Butoconazole Nitrate CAS No. 64872-77-1 C19H17Cl3N2S . HNO3 M.W. 411.78 63.01 B-581
 | | | Balofloxacin C20H24FN3O4 M.W. 389.43 B-591
 |
| Bromazepam Impurity B CAS No. N/A C14H10BrN3O M.W. 316.16 B-601
 | | | Isopropyl Benzenesulfonate CAS No. 6214-18-2 C9H12O3S M.W. 200.26 B-611
 |
| Bifonazole CAS No. 60628-96-8 C22H18N2 M.W. 319.40 B-621
 | | | Bifonazole-d5 CAS No. N/A C22H13N2D5 M.W. 315.43 B-622
 |
| Bifonazole Impurity D CAS No. N/A C41H33N2 Cl M.W. 553.73 35.45 B-623
 | | | 2,3-Dimethyl Bromobenzene CAS No. 576-23-8 C8H9Br M.W. 185.06 B-631
 |
| Bosutinib CAS No. 380843-75-4 C26H29Cl2N5O3 M.W. 530.46 B-641
 | | | Bosutinib-d8 CAS No. N/A C26H21Cl2N5O3D8 M.W. 538.51 B-642
 |
| Bromadiolone CAS No. 28772-56-7 C30H23BrO4 M.W. 527.42 B-651
 | | | 2-Bromoethylamine HBr CAS No. 2576-47-8 C2H6BrN. HBr M.W. 123.98 80.91 B-701
 |
| Bazedoxifene Acetate CAS No. 198481-33-3 C30H34N2O3. C2H4O2 M.W. 470.62 60.05 PF-0002
 | | | Bosutinib CAS No. 380843-75-4 530.46 M.W. C26H29Cl2N5O3 PF-0004
 |