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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:Doxofylline Impurity 7
- CAS:43135-57-5
- MF:C13H20N4O4
- Chemical Name:Erlotinib Impurity 55
- CAS:
- MF:
- Chemical Name:Etoposide Impurity 1
- CAS:
- MF:
- Chemical Name:Etoposide Impurity 6
- CAS:
- MF:
- Chemical Name:Olaparib Impurity 34
- CAS:
- MF:
- Structure:
- Chemical Name:Oseltamivir Impurity 15
- CAS:2254819-34-4
- MF:C22H36N2O4
- Chemical Name:Oseltamivir Impurity 27
- CAS:
- MF:
- Chemical Name:Pitavastatin Impurity 20
- CAS:
- MF:
- Chemical Name:Rocuronium Bromide Impurity 20
- CAS:
- MF:
- Chemical Name:Rocuronium Bromide Impurity 9
- CAS:
- MF:
- Structure:
- Chemical Name:Verapamil Impurity N
- CAS:2086274-75-9
- MF:C33H47N3O4
- Structure:
- Chemical Name:Ergoline-8-carboxylic acid, 2-bromo-9,10-didehydro-6-methyl-, (8β)-
- CAS:478-83-1
- MF:C16H15BrN2O2
- Chemical Name:Adefovir Impurity 6
- CAS:
- MF:
- Chemical Name:Apremilast Impurity QY
- CAS:
- MF:
- Chemical Name:Dextrorotation lansoprazole Impurity J
- CAS:
- MF:
- Chemical Name:Dextrorotation lansoprazole-N-oxide
- CAS:
- MF:
- Chemical Name:lansoprazole Impurity 23
- CAS:
- MF:
- Chemical Name:lansoprazole Impurity 29
- CAS:
- MF:
- Structure:
- Chemical Name:Loratadine Impurity L
- CAS:
- MF:C22H23ClN2O2
- Chemical Name:meta-dyhydroxy Sugammadex sodium Impurity 1
- CAS:
- MF:
- Structure:
- Chemical Name:Olanzapine impurity R
- CAS:
- MF:C17H20N4S
- Chemical Name:Palbociclib Impurity 33
- CAS:
- MF:
- Chemical Name:Pramipexole Related Impurity 1
- CAS:
- MF:
- Chemical Name:Ropivacaine Impurity 37
- CAS:
- MF:
- Chemical Name:Ropivacaine Impurity 42
- CAS:
- MF:
- Chemical Name:Sugammadex sodium Org197339-1 Impurity
- CAS:
- MF:
- Structure:
- Chemical Name:Fludarabine EP impurity G
- CAS:548774-56-7
- MF:C10H12ClFN5O6P
- Structure:
- Chemical Name:Sitagliptin Impurity 12
- CAS:1803026-54-1
- MF:C16H12F6N4O
- Chemical Name:Afatinib impurity 30
- CAS:
- MF:
- Structure:
- Chemical Name:Avibactam Impurity 45
- CAS:2064219-20-9
- MF:C23H46N4O6S
- Structure:
- Chemical Name:Butyphthalide impurity 44
- CAS:952413-01-3
- MF:C13H18O3
- Chemical Name:Cabozantinib impurity 24
- CAS:
- MF:
- Structure:
- Chemical Name:Celecoxib Impurity 18
- CAS:2271123-54-5
- MF:C11H9F3O2
- Chemical Name:Dapoxetine impurity 22
- CAS:
- MF:
- Chemical Name:Febuxostat Impurity 85
- CAS:
- MF:
- Chemical Name:Fosaprepitant Impurity NLS
- CAS:
- MF:
- Structure:
- Chemical Name:Irinotecan Impurity 17 HCl
- CAS:1332610-75-9
- MF:C19H14N2O4
- Chemical Name:LCZ696(valsartan + sacubitril) impurity 31
- CAS:
- MF:
- Chemical Name:Lenvatinib Impurity 24
- CAS:
- MF:
- Chemical Name:Lenvatinib Impurity 30
- CAS:
- MF:
- Chemical Name:Regorafenib Impurity 22
- CAS:
- MF:
- Chemical Name:Regorafenib Impurity 28
- CAS:
- MF:
- Chemical Name:Sitafloxacin Impurity ZZ-C-01
- CAS:
- MF:
- Structure:
- Chemical Name:Tofacitinib Impurity 85
- CAS:2268720-86-9
- MF:C20H24ClN5
- Chemical Name:Tofacitinib Impurity 90
- CAS:
- MF:
- Chemical Name:Nintedanib Impurity M
- CAS:
- MF:
- Structure:
- Chemical Name:Citalopram Impurity 14
- CAS:1470362-85-6
- MF:C20H23FN2O2
- Chemical Name:Eltrombopag Impurity 8
- CAS:
- MF:
- Structure:
- Chemical Name:Vitexin 2''-O-beta-D-glucoside
- CAS:61360-94-9
- MF:C27H30O15
- Structure:
- Chemical Name:(S)-methyl 2-(2,3-bis(hydroxymethyl)-6,7-dihydrothieno[3,2-c] pyridin-5(4H)-yl)-2-(2-chlorophenyl)acetate
- CAS:1346231-36-4
- MF:C18H20ClNO4S
- Chemical Name:Capecitabine impurity 6
- CAS:
- MF:
- Structure:
- Chemical Name:Vilanterol Impurity 25
- CAS:1027529-99-2
- MF:C13H15NO4
- Chemical Name:Sugammadex sodium Org139131-1 Impurity
- CAS:
- MF:
- Structure:
- Chemical Name:Dolutegravir Impurity 16
- CAS:1357289-37-2
- MF:C20H19F2N3O5
- Chemical Name:N - hydroxy Tropisetron Impurity 2
- CAS:
- MF:
- Chemical Name:Tofacitinib Impurity 98
- CAS:
- MF:
- Chemical Name:Cabozantinib impurity 30
- CAS:
- MF:
- Chemical Name:Cabozantinib impurity 35
- CAS:1905820-17-8
- MF:
- Structure:
- Chemical Name:Carvedilol Impurity DBA
- CAS:3258-70-6
- MF:C18H23NO4
- Structure:
- Chemical Name:Pregabalin Impurity 9
- CAS:44855-96-1
- MF:C5H7NO3
- Chemical Name:Butyphthalide impurity 50
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 40
- CAS:
- MF:
- Structure:
- Chemical Name:Pralatrexate Impurity 4
- CAS:1445586-42-4
- MF:C18H15N5O3
- Structure:
- Chemical Name:Pralatrexate Impurity 9
- CAS:1548618-61-6
- MF:C23H22N6O6
- Chemical Name:Pitavastatin Impurity 47
- CAS:
- MF:
- Chemical Name:Lenvatinib Impurity 38
- CAS:
- MF:
- Chemical Name:Tazobactam Impurity 9
- CAS:
- MF:
- Structure:
- Chemical Name:Doxofylline Impurity 11
- CAS:109403-76-1
- MF:C15H16N8O4
- Chemical Name:Doxofylline Impurity 14
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 56
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 61
- CAS:
- MF:
- Chemical Name:Tofacitinib Impurity 107
- CAS:
- MF:
- Chemical Name:Hydroxychloroquine Impurity K
- CAS:
- MF:
- Structure:
- Chemical Name:Levosimendan Impurity 8
- CAS:274263-65-9
- MF:C14H14N6O2
- Chemical Name:Cabozantinib impurity R
- CAS:
- MF:
- Chemical Name:Rotigotine Impurity 4
- CAS:
- MF:
- Chemical Name:Crisaborole Impurity 4
- CAS:
- MF:
- Chemical Name:Crisaborole Impurity 9
- CAS:
- MF:
- Chemical Name:Trifluridine Impurity C
- CAS:
- MF:
- Structure:
- Chemical Name:Olprinone Impurity 3
- CAS:1402751-73-8
- MF:C14H11N3O3
- Chemical Name:Olprinone Impurity 8
- CAS:
- MF:
- Structure:
- Chemical Name:(R)-9-fluoro-3-methyl-7-oxo-10-(piperazin-1-yl)-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrochloride
- CAS:117707-39-8
- MF:C17H18FN3O4
- Chemical Name:Nicorandil Impurity G
- CAS:
- MF:
- Structure:
- Chemical Name:Bivalirudin Impurity 3
- CAS:1310025-28-5
- MF:C98H138N24O33
- Chemical Name:Cilastatin Impurity 3
- CAS:
- MF:
- Structure:
- Chemical Name:Solifenacin Impurity 7（Solifenacin EP Impurity D）
- CAS:2216750-52-4
- MF:C31H28N2O
- Structure:
- Chemical Name:Dyclonine Impurity 2
- CAS:66536-15-0
- MF:C13H16O2
- Structure:
- Chemical Name:Cefuroxime Impurity 33
- CAS:929531-94-2
- MF:C16H16N4O9S
- Chemical Name:Ondansetron IMpurity 4
- CAS:
- MF:
- Chemical Name:MeropeneM iMpurity 3
- CAS:
- MF:
- Chemical Name:MeropeneM iMpurity 8
- CAS:
- MF:
- Structure:
- Chemical Name:Metronidazole Impurity 13
- CAS:110578-73-9
- MF:C6H9N3O3
- Structure:
- Chemical Name:Eletriptan Impurity 4
- CAS:1422285-51-5
- MF:C44H50N4O4S2
- Chemical Name:Afatinib Impurity 51
- CAS:
- MF:
- Chemical Name:Afatinib Impurity 51
- CAS:
- MF:
- Chemical Name:Afatinib Impurity 66
- CAS:
- MF:
- Chemical Name:Afatinib Impurity 66
- CAS:
- MF:
- Structure:
- Chemical Name:Brivaracetam Impurity 10
- CAS:60559-16-2
- MF:C10H20O2
- Chemical Name:Cabozantinib Impurity 6
- CAS:
- MF:
- Chemical Name:Empagliflozin Impurity 59
- CAS:
- MF: