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Pharmaceutical Impurity Reference Standards
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- Chemical Name:Topiroxostat Impurity 15
- CAS:
- MF:
- Chemical Name:Teneligliptin Impurity 10 Di-Trifluoroacetate
- CAS:
- MF:
- Chemical Name:Posaconazole iMpurity 68
- CAS:
- MF:
- Chemical Name:Erlotinib Hydrochloride iMpurity 50
- CAS:
- MF:
- Structure:
- Chemical Name:(S)-methyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino [2,3,4-ij]quinoline-6-carboxylate
- CAS:1213269-49-8
- MF:C14H11F2NO4
- Chemical Name:Vonoprazan Impurity U3
- CAS:
- MF:
- Structure:
- Chemical Name:Prucalopride Impurity 10/ethyl 4-(4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxamido)piperidine-1-carboxylate
- CAS:137211-63-3
- MF:C17H22ClN3O4
- Chemical Name:Cefonicid Impurity 1
- CAS:
- MF:
- Structure:
- Chemical Name:1589503-93-4
- CAS:1589503-93-4
- MF:C27H24F2N6O3S
- Chemical Name:Afatinib Impurity OLQ
- CAS:
- MF:
- Structure:
- Chemical Name:Androstane-3,17-diol,2-(4-morpholinyl)-16-(1-pyrrolidinyl)
- CAS:119302-22-6
- MF:C31H50N2O5
- Chemical Name:Landiolol impurity W
- CAS:
- MF:
- Structure:
- Chemical Name:Metoprolol IMpurity T
- CAS:
- MF:C15H25NO3
- Structure:
- Chemical Name:Teneligliptin Impurity 11
- CAS:2131105-24-1
- MF:C25H35N5O4
- Chemical Name:Teneligliptin Impurity 16
- CAS:
- MF:
- Structure:
- Chemical Name:IMP-EP-M
- CAS:1193104-80-1
- MF:C60H79N2O15S+
- Chemical Name:Hyoscine Butylbromide EP Impurity H
- CAS:
- MF:
- Structure:
- Chemical Name:2-((4S,6S)-6-(2-aminoethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetic acid
- CAS:2165770-84-1
- MF:C10H19NO4
- Chemical Name:Axitinib Impurity 14
- CAS:
- MF:
- Chemical Name:Nicorandil Impurity 7
- CAS:
- MF:
- Structure:
- Chemical Name:Ritonavir EP Impurity T
- CAS:869368-48-9
- MF:C46H66N8O5S2
- Structure:
- Chemical Name:4-Methoxy-a-methyl-L-phenylalanine
- CAS:65555-88-6
- MF:C11H15NO3
- Structure:
- Chemical Name:Cyanocobalamin
- CAS:38218-55-2
- MF:C63H87CoN13O15P
- Chemical Name:Empagliflozin Impurity 44
- CAS:
- MF:
- Structure:
- Chemical Name:1,4,8,11- tetra(trifluoroacetyl)-1,4,8,11-tetraazacyclotetradecane
- CAS:201610-16-4
- MF:C18H20F12N4O4
- Structure:
- Chemical Name:5-bromo-4-(4-chlorothiophen-2-yl)thiazol-2-amine
- CAS:2161380-87-4
- MF:C7H4BrClN2S2
- Chemical Name:Zopiclone Impurity 11
- CAS:
- MF:
- Structure:
- Chemical Name:(3R,5S)-5-((R)-8-fluoro-4-isopropyl-2-(N-methylmethylsulfonam ido)-5,6-dihydrobenzo[h]quinazolin-6-yl)-3,5-dihydroxypentanoate calcium(II)
- CAS:854898-49-0
- MF:C44H54CaF2N6O12S2
- Structure:
- Chemical Name:Androstane-2,17-diol, 3-(4-morpholinyl)-16-(1-pyrrolidinyl)-, (2α,3β,5α,16β,17β)-
- CAS:1252016-49-1
- MF:C27H46N2O3
- Structure:
- Chemical Name:(S)-N,N-dimethyl-3-((R)-3-(naphthalen-1-yloxy)-1-phenylpropoxy)-1-phenylpropan-1-amine
- CAS:
- MF:C30H33NO2
- Structure:
- Chemical Name:ETHYL 4-CHLORO-2-HYDROXYIMINO-3-OXO-BUTYRATE
- CAS:66338-95-2
- MF:C6H8ClNO4
- Structure:
- Chemical Name:2-((R)-3-(diisopropylamino)-1-phenylpropyl)-4-(1-hydroxyethyl)phenyl isobutyrate
- CAS:
- MF:C27H39NO3
- Chemical Name:Dexamethasone Impurity EP Impurity C
- CAS:
- MF:
- Chemical Name:Palbociclib impurity LAAP
- CAS:
- MF:
- Structure:
- Chemical Name:(R)-N-((S)-1-amino-1-oxobutan-2-yl)-3-((((S)-1-amino-1-oxobutan-2-yl)amino)methyl)hexanamide
- CAS:
- MF:C15H30N4O3
- Structure:
- Chemical Name:Dapagliflozin Impurity 32
- CAS:1528636-07-8
- MF:C22H27ClO7
- Structure:
- Chemical Name:1,1'-(1,4-phenylenebis(methylene))bis(1,4,8,11-tetraazacyclotetradecane 1-oxide)
- CAS:
- MF:C28H54N8O2
- Chemical Name:N-(2-amino-6-oxo-3,6-dihydropyrimidin-4-yl)-
- CAS:
- MF:
- Structure:
- Chemical Name:Droxidopa Impurity 6
- CAS:90044-46-5
- MF:C16H15NO4
- Chemical Name:Dofetilide Impurity B
- CAS:
- MF:
- Chemical Name:Sugammadex Monohydroxy Impurity
- CAS:
- MF:
- Chemical Name:Cyclic Macitentan quarternary salt Impurity
- CAS:
- MF:
- Chemical Name:Lacosamide Impurity – K
- CAS:
- MF:
- Chemical Name:Cefdinir CP Impurity I&J&K&L
- CAS:
- MF:
- Chemical Name:Dapoxetine Impurity 41
- CAS:
- MF:
- Chemical Name:Doxofylline Impurity 16
- CAS:
- MF:
- Chemical Name:Olopatadine Impurity 5
- CAS:55690-18-1
- MF:C17H16O5
- Chemical Name:Taladafil Impurity 38
- CAS:
- MF:
- Chemical Name:Salbutamol impurity 41
- CAS:
- MF:
- Chemical Name:Gadobutrol Impurity 20
- CAS:
- MF:
- Structure:
- Chemical Name:Dapagliflozin Impurity 48
- CAS:2069934-29-6
- MF:C15H14Cl2O
- Chemical Name:Cilostazol Impurity I
- CAS:
- MF:
- Structure:
- Chemical Name:Pramipexole DBTA Impurity
- CAS:1821389-09-6
- MF:C7H8N2S
- Chemical Name:Amoxicillin Oxidized Impurities
- CAS:
- MF:
- Structure:
- Chemical Name:Doxorubicin EP Impurity C HBr
- CAS:60873-68-9
- MF:C27H29Br2NO10
- Chemical Name:Ceftazidime Impurity K
- CAS:
- MF:
- Structure:
- Chemical Name:Furosemide Impurity 3
- CAS:
- MF:C12H11ClN2O5S
- Structure:
- Chemical Name:Nicorandil Impurity 13
- CAS:19416-51-4
- MF:C9H11NO3
- Chemical Name:Rosuvastatin Impurity 51
- CAS:
- MF:
- Structure:
- Chemical Name:Silodosin Impurity 3
- CAS:1402161-34-5
- MF:C29H31N3O2
- Chemical Name:Tenofovir Impurity 61
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 70
- CAS:1824025-11-7
- MF:
- Structure:
- Chemical Name:Topiroxostat Impurity 21
- CAS:2044704-74-5
- MF:C13H7N5O
- Structure:
- Chemical Name:Mirabegron Impurity 17
- CAS:1684452-84-3
- MF:C31H32N8O4S3
- Chemical Name:Afatinib Impurity 24
- CAS:
- MF:
- Structure:
- Chemical Name:Amifostine Impurity 8
- CAS:66487-25-0
- MF:C5H10N2O
- Chemical Name:Bendamustine Impurity 33
- CAS:
- MF:
- Chemical Name:Bendamustine Impurity 38
- CAS:
- MF:
- Structure:
- Chemical Name:Ciprofloxacin Impurity 4
- CAS:
- MF:C17H18FN3O3
- Chemical Name:Dapagliflozin Impurity 29
- CAS:
- MF:
- Chemical Name:Erlotinib Impurity 52
- CAS:
- MF:
- Chemical Name:Etoposide Impurity 3
- CAS:
- MF:
- Chemical Name:Nintedanib Impurity 29
- CAS:
- MF:
- Chemical Name:Olaparib Impurity 23
- CAS:
- MF:
- Chemical Name:Oseltamivir Impurity 19
- CAS:
- MF:
- Structure:
- Chemical Name:Rocuronium bromide Impurity 30
- CAS:56240-11-0
- MF:C19H26O
- Chemical Name:Rocuronium Bromide Impurity 38
- CAS:
- MF:
- Structure:
- Chemical Name:S-Silodosin
- CAS:2182279-45-2
- MF:C25H32F3N3O4
- Structure:
- Chemical Name:Terazosin EP Impurity D
- CAS:102714-74-9
- MF:C15H19N5O3
- Structure:
- Chemical Name:Apremilast Impurity FA
- CAS:2077897-94-8
- MF:C21H22N2O7S
- Chemical Name:Atracurium Impurity S
- CAS:
- MF:
- Chemical Name:Mirabegron Impurity MADT
- CAS:
- MF:
- Chemical Name:Palbociclib Impurity 30
- CAS:
- MF:
- Structure:
- Chemical Name:Parecoxib Impurity Q
- CAS:1373038-58-4
- MF:C16H14N2O3S
- Chemical Name:Ropivacaine Impurity 30
- CAS:
- MF:
- Chemical Name:Ropivacaine Impurity 39
- CAS:
- MF:
- Chemical Name:Sugammadex sodium Org46643 Impurity
- CAS:
- MF:
- Chemical Name:Afatinib impurity 27
- CAS:
- MF:
- Structure:
- Chemical Name:Butyphthalide impurity 41
- CAS:1379166-79-6
- MF:C9H10O3
- Chemical Name:Butyphthalide impurity 47
- CAS:
- MF:
- Chemical Name:Dapoxetine impurity 19
- CAS:
- MF:
- Chemical Name:Empagliflozin Impurity KHC
- CAS:
- MF:
- Structure:
- Chemical Name:Febuxostat Impurity 70
- CAS:2418591-43-0
- MF:C16H16N2O3S
- Chemical Name:Febuxostat Impurity 92
- CAS:
- MF:
- Structure:
- Chemical Name:Fluconazole Impurity N
- CAS:
- MF:C13H12F2N6O
- Structure:
- Chemical Name:Ibrutinib Impurity 25
- CAS:2052279-48-6
- MF:C28H28N6O4
- Structure:
- Chemical Name:Ipratropium Bromide Impurity 2
- CAS:
- MF:C20H29Br2NO3
- Chemical Name:Lenvatinib Impurity 21
- CAS:
- MF:
- Chemical Name:Moxifloxacin Impurity 45
- CAS:
- MF:
- Chemical Name:Olaparib Impurity O
- CAS:
- MF: