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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:
- (1r,4r)-4-((2-amino-4-bromobenzyl)amino)cyclohexan-1-ol hydrochloride
- MF:
- C13H20BrClN2O
- Chemical Name:
- Aztreonam Impurity 6
- Structure:
- Chemical Name:
- Cetirizine impurity 14
- MF:
- C21H25ClN2O3
- Structure:
- Chemical Name:
- Vitamin B1 Impurity 1
- MF:
- C12H17ClN4OS
- Structure:
- Chemical Name:
- Diquafosol Impurity UP2U
- CAS:
- 221169-12-6
- MF:
- C18H25N4NaO17P2
- Structure:
- Chemical Name:
- Pemetrexed disodium Impurity
- CAS:
- 17405-00-4
- MF:
- C7H5ClN2O2
- Chemical Name:
- Vonoprazan Impurity Z-1
- Structure:
- Chemical Name:
- Olanzapine impurity M
- MF:
- C17H20N4S
- Structure:
- Chemical Name:
- Afatinib impurity 41
- CAS:
- 69169-63-7
- MF:
- C5H9NO2
- Structure:
- Chemical Name:
- Vildagliptin Impurity 38
- CAS:
- 956508-24-0
- MF:
- C10H16N2O3
- Chemical Name:
- Tazobactam Impurity C
- Chemical Name:
- Palonosetron Impurity TM1-YA
- Chemical Name:
- Pitavastatin Impurity 33
- Chemical Name:
- Pralatrexate Impurity 14
- Chemical Name:
- Pitavastatin Impurity 51
- Chemical Name:
- Pitavastatin Impurity 59
- Chemical Name:
- Lenvatinib Impurity 42
- Chemical Name:
- Tazobactam Impurity 8
- Chemical Name:
- Prednicarbate Impurity B
- Chemical Name:
- Doxofylline Impurity 13
- Chemical Name:
- Afatinib impurity 46
- Chemical Name:
- Canagliflozin Impurity 60
- Chemical Name:
- Canagliflozin Impurity 65
- Chemical Name:
- Rosuvastatin Impurity 75
- Chemical Name:
- Acyclovir Impurity 11
- Chemical Name:
- Selexipag Impurity 6
- Chemical Name:
- Cabozantinib impurity N
- Structure:
- Chemical Name:
- Barcitinib impurity-09
- CAS:
- 1187594-16-6
- MF:
- C14H13N7
- Chemical Name:
- Rotigotine Impurity 6
- Structure:
- Chemical Name:
- Olprinone Impurity 7
- CAS:
- 2236020-10-1
- MF:
- C9H10N2
- Chemical Name:
- Cilastatin Impurity 2
- Chemical Name:
- Cilastatin Impurity 7
- Structure:
- Chemical Name:
- Dabrafenib Impurity 1
- CAS:
- 1907654-22-1
- MF:
- C24H21F3N4O3S2
- Structure:
- Chemical Name:
- Trelagliptin Impurity SJ
- CAS:
- 2087874-94-8
- MF:
- C40H42F2N10O6
- Structure:
- Chemical Name:
- Eliglustat Impurity 2（Eliglustat SR-Isomer）
- CAS:
- 1092472-66-6
- MF:
- C23H36N2O4
- Structure:
- Chemical Name:
- Tamsulosin impurity C
- MF:
- C20H28N2O5S
- Structure:
- Chemical Name:
- Umeclidinium Bromide Impurity 9 DiHCl
- CAS:
- 494778-36-8
- MF:
- C18H32N2O4
- Chemical Name:
- Flucloxacillin Impurity 4
- Structure:
- Chemical Name:
- Ipratropium bromide Impurity 4
- MF:
- C20H29Br2NO3
- Chemical Name:
- Cefminox Impurity 6
- Chemical Name:
- Afatinib Impurity 55
- Chemical Name:
- Apremilast Impurity 30
- Structure:
- Chemical Name:
- Aprepitant Impurity 33
- CAS:
- 502537-39-5
- MF:
- C20H20F7NO3
- Chemical Name:
- Brivaracetam Impurity 9
- Chemical Name:
- Esomeprazole Impurity 43
- Chemical Name:
- Etoricoxib Impurity 40
- Chemical Name:
- Lenvatinib Impurity 31
- Structure:
- Chemical Name:
- Oseltamivir Impurity 35
- CAS:
- 757965-01-8
- MF:
- C14H22O4
- Chemical Name:
- Palbociclib Impurity 39
- Chemical Name:
- Posaconazole Impurity 75
- Chemical Name:
- Rabeprazole Impurity 22
- Chemical Name:
- Sunitinib Impurity 12
- Chemical Name:
- Ticagrelor Impurity 113
- Chemical Name:
- Ticagrelor Impurity 97
- Chemical Name:
- Tofacitinib Impurity 117
- Chemical Name:
- Trelagliptin Impurity 22
- Chemical Name:
- Trelagliptin Impurity 29
- Chemical Name:
- Vildagliptin Impurity 43
- Chemical Name:
- Dexchlorpheniramine impurity F
- Structure:
- Chemical Name:
- Irbesartan IMpurity F
- MF:
- C25H28N6O
- Chemical Name:
- Itraconazole iMpurity 2
- Chemical Name:
- Palbociclib Impurity 6
- Chemical Name:
- Azacitidine Impurity 1
- Chemical Name:
- Saxagliptin Impurity 5
- Chemical Name:
- Cinacalcet Impurity 18
- Structure:
- Chemical Name:
- Erlotinib Impurity 23
- CAS:
- 2021249-11-4
- MF:
- C23H18F6N6O
- Chemical Name:
- Erlotinib Impurity 36
- Chemical Name:
- Fasudil Impurity 17
- Chemical Name:
- Febuxostat Impurity 50
- Chemical Name:
- Varenicline Impurity 8
- Chemical Name:
- Ticagrelor Impurity 53
- CAS:
- 2750247-77-7
- Chemical Name:
- Edoxaban Impurity 5
- Chemical Name:
- Edoxaban Impurity 11
- Structure:
- Chemical Name:
- Empagliflozin Impurity 5
- CAS:
- 1800196-46-6
- MF:
- C17H16ClIO3
- Chemical Name:
- Carfilzomib Impurity 2
- Structure:
- Chemical Name:
- Oseltamivir Impurity 20
- CAS:
- 212504-90-0
- MF:
- C12H22N2O3
- Chemical Name:
- Febuxostat Impurity 61
- Chemical Name:
- Atosiban Impurity G
- Structure:
- Chemical Name:
- 1-cyclopropyl-6,8-dimethoxy-7-((4aS,7aS)-octahydro-6H-pyrrolo [3,4-b]pyridin-6-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic
- CAS:
- 2252446-68-5
- MF:
- C22H28ClN3O5
- Structure:
- Chemical Name:
- CINACALCET-001-R
- CAS:
- 1630761-22-6
- MF:
- C11H11BF4N4O
- Chemical Name:
- Cefotiam Impurity D
- Structure:
- Chemical Name:
- Atorvastatin Calcium Hydrate impurity 39
- CAS:
- 2243639-97-4
- MF:
- C33H35FN2O5
- Chemical Name:
- Peramivir Impurity B
- Chemical Name:
- AztreonaM IMpurity C
- Structure:
- Chemical Name:
- Pramipexole Related Impurity 3
- CAS:
- 2166216-34-6
- MF:
- C10H17N3OS
- Chemical Name:
- Lincomycin sulfoxide Impurity 5
- Chemical Name:
- Sulpiride Impurity 4
- Chemical Name:
- Tacrolimus Impurity E
- Chemical Name:
- Bumetanide iMpurity E
- Structure:
- Chemical Name:
- CLOTRIMAZOLE IMP. A (PHARMEUROPA): (2-CHLOROPHENYL)DIPHENYLMETHANOL
- CAS:
- 66774-02-5
- MF:
- C19H15ClO
- Structure:
- Chemical Name:
- Dapagliflozin
- CAS:
- 639852-30-5
- MF:
- C19H44O5Si4
- Chemical Name:
- Cabozantinib impurity 52
- Chemical Name:
- Canagliflozin Impurity 71
- Structure:
- Chemical Name:
- N-((4-(5-methyl-2-phenyloxazol-4-yl)phenyl)sulfonyl)propionamide
- CAS:
- 2242749-02-4
- MF:
- C19H18N2O4S
- Chemical Name:
- Dapoxetine impurity 67
- Structure:
- Chemical Name:
- FENOFIBRIC ACID ETHYL ESTER
- CAS:
- 42019-08-9
- MF:
- C19H19ClO4
- Chemical Name:
- 7-ADCA Impuirty 1
- Structure:
- Chemical Name:
- 2-Pyrazinecarboxamide, N-[(1S)-2-[[(1Z)-3-methyl-1-buten-1-yl]amino]-2-oxo-1-(phenylmethyl)ethyl]-
- CAS:
- 2276538-67-9
- MF:
- C19H22N4O2
- Structure:
- Chemical Name:
- INDEX NAME NOT YET ASSIGNED
- CAS:
- 2365474-06-0
- MF:
- C24H27N8O9+
- Structure:
- Chemical Name:
- (S)-2-(pentylsulfonamido)-3-(4-(4-(piperidin-4-yl)butoxy)phenyl)propanoic acid
- CAS:
- 1332692-49-5
- MF:
- C23H38N2O5S