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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:(2R,3R,4R,5S,6S)-2-(acetoxymethyl)-6-(4-chloro-3- (4-methoxybenzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate
- CAS:872980-38-6
- MF:C28H31ClO10
- Structure:
- Chemical Name:Vinorelbine Impurity DX
- CAS:89368-94-5
- MF:C46H55BrN4O8
- Chemical Name:Eltrombopag Impurity 2
- CAS:
- MF:
- Chemical Name:Dapoxetine Impurity 17
- CAS:
- MF:
- Structure:
- Chemical Name:Avibactam Impurity
- CAS:2064219-26-5
- MF:C7H12N3NaO6S
- Structure:
- Chemical Name:(1s,4s)-4-((2-aminobenzyl)amino)cyclohexan-1-ol hydrochloride
- CAS:
- MF:C13H21ClN2O
- Chemical Name:Solifenacin impurity 23
- CAS:
- MF:
- Chemical Name:Edaravone impurity DEE
- CAS:
- MF:
- Chemical Name:Linagliptin Impurity 49
- CAS:
- MF:
- Structure:
- Chemical Name:(1r,4r)-4-(7,9-dibromo-2,3-dihydro-1H-benzo[e][1,4]diazepin-4(5H)-yl)cyclohexanol hydrochloride
- CAS:2376577-10-3
- MF:C15H21Br2ClN2O
- Structure:
- Chemical Name:Procatero Impurity
- CAS:90098-93-4
- MF:C11H9NO3
- Structure:
- Chemical Name:4-((2-amino-3,5-dibromobenzyl)amino)cyclohexanone hydrochloride
- CAS:
- MF:C13H17Br2ClN2O
- Structure:
- Chemical Name:Pazufloxacin Impurity 5
- CAS:777824-29-0
- MF:C15H15FN2O2
- Chemical Name:Vonoprazan Impurity Z-4
- CAS:
- MF:
- Structure:
- Chemical Name:Olanzapine impurity O
- CAS:
- MF:C17H20N4S
- Structure:
- Chemical Name:Cabozantinib impurity 26
- CAS:2840522-80-5
- MF:C28H25ClFN3O5
- Structure:
- Chemical Name:Afatinib impurity 45
- CAS:99281-87-5
- MF:C5H9NO2
- Structure:
- Chemical Name:Afatinib impurity 45
- CAS:99281-87-5
- MF:C5H9NO2
- Structure:
- Chemical Name:Dapoxetine impurity 24
- CAS:1445281-20-8
- MF:C20H20O4S
- Chemical Name:Tazobactam Impurity E
- CAS:
- MF:
- Chemical Name:Vildagliptin Impurity 42
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 45
- CAS:
- MF:
- Chemical Name:Pralatrexate Impurity 5
- CAS:
- MF:
- Chemical Name:Pitavastatin Impurity 61
- CAS:
- MF:
- Chemical Name:Sitafloxacin Impurity 17
- CAS:
- MF:
- Chemical Name:Cilastatin Isomer Impurity
- CAS:
- MF:
- Chemical Name:Prednicarbate Impurity E
- CAS:
- MF:
- Chemical Name:Olprinone Impurity B
- CAS:
- MF:
- Chemical Name:Atracurium Impurity 28
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 51
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 67
- CAS:
- MF:
- Chemical Name:Cefazolin Impurity Q
- CAS:
- MF:
- Chemical Name:Acyclovir Impurity 13
- CAS:
- MF:
- Chemical Name:Afatinib impurity 48
- CAS:
- MF:
- Chemical Name:Afatinib impurity 48
- CAS:
- MF:
- Chemical Name:Cabozantinib impurity M
- CAS:
- MF:
- Chemical Name:Rotigotine Impurity 8
- CAS:
- MF:
- Structure:
- Chemical Name:Palbociclib-025
- CAS:2174002-16-3
- MF:C25H29N7O3
- Chemical Name:Nitrendipine iMpurity 3
- CAS:
- MF:
- Chemical Name:Cefminox Impurity 3
- CAS:
- MF:
- Chemical Name:Afatinib Impurity 57
- CAS:
- MF:
- Chemical Name:Afatinib Impurity 57
- CAS:
- MF:
- Structure:
- Chemical Name:Apremilast Impurity 34
- CAS:2469037-82-7
- MF:C20H20N2O7S
- Chemical Name:Aprepitant Impurity 35
- CAS:
- MF:
- Chemical Name:Bosutinib Impurity 15
- CAS:
- MF:
- Chemical Name:Ertapenem Impurity 2
- CAS:
- MF:
- Chemical Name:Febuxostat Impurity 68
- CAS:
- MF:
- Chemical Name:Indacaterol Impurity 9
- CAS:
- MF:
- Structure:
- Chemical Name:Olanzapine Impurity 22
- CAS:
- MF:C17H20N4S
- Structure:
- Chemical Name:Olopatadine Impurity 9
- CAS:680579-52-6
- MF:C39H36Br2P2
- Structure:
- Chemical Name:Oseltamivir Impurity 59
- CAS:2485836-60-8
- MF:C12H22N2O3
- Chemical Name:Palbociclib Impurity 36
- CAS:
- MF:
- Chemical Name:Regorafenib Impurity 34
- CAS:
- MF:
- Chemical Name:Rosuvastatin Impurity 47
- CAS:
- MF:
- Structure:
- Chemical Name:Sildenafil Impurity 36
- CAS:
- MF:C25H27N3O5
- Chemical Name:Sunitinib Impurity 4
- CAS:
- MF:
- Chemical Name:Tafluprost Impurity 11
- CAS:
- MF:
- Chemical Name:Tazobactam Impurity 4
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 103
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 94
- CAS:
- MF:
- Chemical Name:Tofacitinib Impurity 119
- CAS:
- MF:
- Chemical Name:Trelagliptin Impurity 26
- CAS:
- MF:
- Chemical Name:Trelagliptin Impurity 31
- CAS:
- MF:
- Chemical Name:Caspofungin impurity E
- CAS:
- MF:
- Chemical Name:Erythromycin Impurity C
- CAS:
- MF:
- Chemical Name:Itraconazole iMpurity 4
- CAS:
- MF:
- Chemical Name:Azacitidine Impurity 3
- CAS:
- MF:
- Chemical Name:Ozagrel Impurity 2
- CAS:
- MF:
- Chemical Name:Olaparib Impurity 22
- CAS:
- MF:
- Structure:
- Chemical Name:Irbesartan Impurity 14
- CAS:133690-91-2
- MF:C25H28N6O
- Structure:
- Chemical Name:Febuxostat Impurity 25
- CAS:1643131-89-8
- MF:C17H20N2O4S
- Structure:
- Chemical Name:Pregabalin Impurity 3
- CAS:1928754-83-9
- MF:C12H22O3
- Chemical Name:Bosutinib Impurity 6
- CAS:
- MF:
- Structure:
- Chemical Name:Ticagrelor Impurity 49
- CAS:2376278-80-5
- MF:C8H15NO3
- Chemical Name:Edoxaban Impurity 14
- CAS:
- MF:
- Structure:
- Chemical Name:Indacaterol Impurity 3
- CAS:2250243-41-3
- MF:C26H32N2O3
- Chemical Name:Canagliflozin Impurity 11
- CAS:
- MF:
- Chemical Name:Oseltamivir Impurity 22
- CAS:
- MF:
- Chemical Name:Riociguat IMpurtiy B
- CAS:
- MF:
- Chemical Name:Silodosin Impurity C
- CAS:
- MF:
- Structure:
- Chemical Name:Dexmedetomidine-025
- CAS:2250242-52-3
- MF:C20H22N2
- Chemical Name:pranoprofen impurity 15
- CAS:
- MF:
- Structure:
- Chemical Name:Mono-Hydroxy Sugammadex
- CAS:2376607-99-5
- MF:C69H109NaO47S7
- Chemical Name:Metronidazole impurity A
- CAS:
- MF:
- Chemical Name:Sulpiride Impurity 6
- CAS:
- MF:
- Chemical Name:Cefminox Impurity A
- CAS:
- MF:
- Chemical Name:Cefminox Impurity F
- CAS:
- MF:
- Structure:
- Chemical Name:(S-(R* S*))-(+)-N-(1-PHENYLETHYL)-1- AZ&
- CAS:120570-09-4
- MF:C15H24Cl2N2
- Structure:
- Chemical Name:CLOPIDOGREL RELATED COMPOUND B (20 MG) (METHYL(+/-)-(O-CHLOROPHENYL)-4,5-DIHYDROTHIE-NO[2,3-C]PYRIDINE-6(7H)-ACETATE, HYDROCHLORIDE)
- CAS:144750-52-7
- MF:C16H16ClNO2S.ClH
- Structure:
- Chemical Name:VERAPAMIL RELATED COMPOUND B (50 MG) (AL-PHA-[2-[[2-(3,4-DIMETHOXYPHENYL)-ETHYL]METHYLA-MINO]ETHYL]-3,4-DIMETHOXY-ALPHA-(1-METHY-LETHYL)-BENZENEACETONITRILE MONOHYDROCHLORIDE)
- CAS:1794-55-4
- MF:C26H37ClN2O4
- Structure:
- Chemical Name:N-(5-(Propionyloxy)pentyl Acrylate) rac-trans-Laudanosine Benzenesulfonate
- CAS:155913-32-9
- MF:C38H49NO11S
- Structure:
- Chemical Name:1,8-ditosyl-1,4,8,11-tetraazacyclotetradecane dihydrochloride
- CAS:
- MF:C24H38Cl2N4O4S2
- Structure:
- Chemical Name:Mupirocin iMpurity 5
- CAS:
- MF:C26H44O9
- Structure:
- Chemical Name:Tolvaptan Impurity 11
- CAS:150683-27-5
- MF:C25H23ClN2O3
- Structure:
- Chemical Name:Soradespa Impurity
- CAS:851528-83-1
- MF:C23H27F3O5S
- Structure:
- Chemical Name:methyl 2-(4-(2-chloroacetyl)phenyl)-2-methylpropanoate
- CAS:1638785-19-9
- MF:C13H15ClO3
- Structure:
- Chemical Name:1155863-81-2
- CAS:1155863-81-2
- MF:C23H19F2N3O6
- Structure:
- Chemical Name:1175018-73-1
- CAS:1175018-73-1
- MF:C12H14ClN
- Structure:
- Chemical Name:tert-butyl (3S,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4- (phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate
- CAS:
- MF:C37H43FN2O5