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Pharmaceutical Impurity Reference Standards
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- Chemical Name:Oseltamivir Impurity 47
- CAS:
- MF:
- Chemical Name:Palbociclib Impurity 67
- CAS:
- MF:
- Chemical Name:Pimecrolimus Impurity 3
- CAS:
- MF:
- Chemical Name:Rosuvastatin Impurity 82
- CAS:
- MF:
- Chemical Name:Tenofovir Impurity 76
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 125
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 39
- CAS:
- MF:
- Chemical Name:Tofacitinib Impurity 109
- CAS:
- MF:
- Chemical Name:Tofacitinib Impurity 114
- CAS:
- MF:
- Structure:
- Chemical Name:Vildagliptin Impurity 34
- CAS:1824265-77-1
- MF:C10H17NO3
- Structure:
- Chemical Name:1-(3-(benzyloxy)-5-hydroxyphenyl)-2-(tert-butylamino)ethan-1-one
- CAS:2459974-72-0
- MF:C19H23NO3
- Structure:
- Chemical Name:Demeclocycline EP Impurity C
- CAS:129044-45-7
- MF:C21H22N2O8
- Chemical Name:Brimonidine Impurity D
- CAS:
- MF:
- Chemical Name:Esmolol impurity D
- CAS:
- MF:
- Chemical Name:Diquafosol Impurity D
- CAS:
- MF:
- Chemical Name:Afatinib Impurity 10
- CAS:
- MF:
- Chemical Name:Peramivir Impurity 11
- CAS:
- MF:
- Chemical Name:Vildagliptin Impurity 6
- CAS:
- MF:
- Structure:
- Chemical Name:1,3-bis(2-chloroethyl)benzimidazolin-2-one
- CAS:55470-74-1
- MF:C11H12Cl2N2O
- Chemical Name:Nintedanib Impurity A (Intedanib Impurity A ）
- CAS:
- MF:
- Chemical Name:Tigecycline Impurity 6
- CAS:
- MF:
- Structure:
- Chemical Name:Febuxostat Bromo Impurity
- CAS:144060-40-2
- MF:C15H16BrNO3S
- Structure:
- Chemical Name:Meptazinol Impurity
- CAS:1314003-47-8
- MF:C23H28N2O4
- Structure:
- Chemical Name:1'H-2,3'-bipyridinyl-2'-one
- CAS:101002-01-1
- MF:C10H8N2O
- Chemical Name:Brexpiprazole Impurity D
- CAS:
- MF:
- Chemical Name:Brivaracetam Impurity E
- CAS:
- MF:
- Chemical Name:Dapoxetine Impurity 8
- CAS:
- MF:
- Structure:
- Chemical Name:Irbesartan Impurity 6
- CAS:
- MF:C25H28N6O
- Chemical Name:Empagliflozin impurity B
- CAS:
- MF:
- Chemical Name:Varenicline Impurity 1
- CAS:
- MF:
- Chemical Name:Voriconazole Impurity 6
- CAS:
- MF:
- Chemical Name:Sunitinib Impurity 1
- CAS:
- MF:
- Chemical Name:Erlotinib Impurity 18
- CAS:
- MF:
- Structure:
- Chemical Name:Fasudil Impurity 6
- CAS:1581642-06-9
- MF:C14H18ClN3O2S
- Chemical Name:Rosuvastatin Impurity 56
- CAS:
- MF:
- Chemical Name:Dapoxetine Impurity 4
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 17
- CAS:
- MF:
- Chemical Name:Empagliflozin Impurity 13
- CAS:
- MF:
- Chemical Name:Moxifloxacin Impurity 2
- CAS:
- MF:
- Chemical Name:Cabozantinib Impurity 1
- CAS:
- MF:
- Chemical Name:Febuxostat Impurity 56
- CAS:
- MF:
- Chemical Name:Acyclovir Impurity 1
- CAS:
- MF:
- Chemical Name:Ambroxol Impurity 9 HCl
- CAS:
- MF:
- Chemical Name:Penicillin Impurity A
- CAS:
- MF:
- Chemical Name:Cefminox Sodium impurity A
- CAS:
- MF:
- Chemical Name:Cefotiam Impurity A
- CAS:
- MF:
- Chemical Name:pranoprofen impurity 25
- CAS:
- MF:
- Structure:
- Chemical Name:Flavomarein，2R-3',4',8-Trihydroxyflavanone-7-O-glucoside
- CAS:56389-87-8
- MF:C21H22O11
- Chemical Name:Peramivir Impurity D
- CAS:
- MF:
- Chemical Name:Lincomycin sulfoxide Impurity 2
- CAS:
- MF:
- Chemical Name:Lincomycin sulfoxide Impurity E
- CAS:
- MF:
- Chemical Name:Fasudil iMpurity E
- CAS:
- MF:
- Structure:
- Chemical Name:(+/-)-EPINEPHRINE SULFONIC ACID
- CAS:26405-77-6
- MF:C9H13NO5S
- Structure:
- Chemical Name:GADOTERIDOL RELATED COMPOUND B (50 MG) (1,4,7,10-TETRAAZACYCLODODECANE-1,4,7-TRIACETIC ACID, MONOGADOLINIUM SALT)
- CAS:112188-16-6
- MF:C14H22GdN4O6
- Chemical Name:Caspofungin impurity 1
- CAS:
- MF:
- Chemical Name:Cabozantinib impurity D
- CAS:
- MF:
- Chemical Name:Neratinib Impurity 3
- CAS:
- MF:
- Structure:
- Chemical Name:Ranitidine Impurity D
- CAS:
- MF:C13H22N4O3S
- Structure:
- Chemical Name:Metoprolol IMpurity 5
- CAS:
- MF:C15H25NO3
- Chemical Name:Mirabegron Impurity 2
- CAS:
- MF:
- Structure:
- Chemical Name:Pemetrexed Impurity 1
- CAS:1644287-26-2
- MF:C20H21N5O8
- Chemical Name:Plerixafor Impurity B
- CAS:
- MF:
- Chemical Name:Tolvaptan impurity3
- CAS:
- MF:
- Chemical Name:Vonoprazan Impurity 7
- CAS:
- MF:
- Chemical Name:Cefazolin impurity F
- CAS:
- MF:
- Structure:
- Chemical Name:Apremilast Impurity 3
- CAS:88687-92-7
- MF:C16H10N2O8
- Structure:
- Chemical Name:Apixaban Impurity 8
- CAS:1777781-49-3
- MF:C24H23N5O4
- Chemical Name:Ritodrine BP Impurity D
- CAS:
- MF:
- Chemical Name:Rivaroxaban Impurity 19
- CAS:
- MF:
- Structure:
- Chemical Name:Topiroxostat Impurity 4
- CAS:1379342-46-7
- MF:C8H8N2O3
- Chemical Name:Ertapenem impurity 1
- CAS:
- MF:
- Structure:
- Chemical Name:(R)-2-(3-(diisopropylamino)-1-phenylpropyl)-4-(hydroxymethyl)phenyl methacrylate
- CAS:
- MF:C26H36NO3
- Chemical Name:Flomoxef Impurity 3
- CAS:
- MF:
- Structure:
- Chemical Name:Ropivacaine impurity
- CAS:1105704-96-8
- MF:C12H14N2O3
- Structure:
- Chemical Name:Agomelatine Impurity 1
- CAS:1352139-51-5
- MF:C15H19NO2
- Structure:
- Chemical Name:Diquafosol Impurity 1
- CAS:26184-65-6
- MF:C18H24N4O17P2
- Structure:
- Chemical Name:Milnacipran Impurity 3
- CAS:1353644-50-4
- MF:C15H20ClNO
- Structure:
- Chemical Name:L-Glutamic acid 1-ethyl ester
- CAS:52454-78-1
- MF:C7H13NO4
- Structure:
- Chemical Name:Methyl 2-Hydroxy-2-(Thiophen-2-Yl)-2-(Thiophen-3-Yl)Acetate
- CAS:28748-67-6
- MF:C11H10O3S2
- Structure:
- Chemical Name:6,7-Dihydro-N-methyl-N-[(3R,4R)-4-methyl-3-piperidinyl]-5H-pyrrolo[2,3-d]pyrimidin-4-amine
- CAS:1812890-23-5
- MF:C13H21N5
- Structure:
- Chemical Name:Sacubitril Impurity 72
- CAS:1361408-16-3
- MF:C23H27NO4
- Structure:
- Chemical Name:(1R,2S,3R)-Aprepitant
- CAS:1185502-97-9
- MF:C23H21F7N4O3
- Structure:
- Chemical Name:Clemastine
- CAS:108825-05-4
- MF:C21H26ClNO2
- Structure:
- Chemical Name:4-chloro-7-methoxyquinoline-6-carboxylic acid
- CAS:771464-30-3
- MF:C11H8ClNO3
- Structure:
- Chemical Name:ethyl (41S,13aR)-13a-ethyl-2,3,41,5,6,13a-hexahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate
- CAS:85647-43-4
- MF:C22H26N2O2
- Structure:
- Chemical Name:methyl (41R,12R,13aR)-13a-ethyl-12-hydroxy-2,3,41,5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate
- CAS:38990-16-8
- MF:C21H26N2O3
- Structure:
- Chemical Name:Dolutegravir Impurity 3
- CAS:1973402-05-9
- MF:C20H19F2N3O5
- Structure:
- Chemical Name:Cistracurium Besylate EP Impurity D
- CAS:1075726-88-3
- MF:C31H39NO9S
- Structure:
- Chemical Name:(R)-1-[3-[4-Amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl]piperidin-1-yl]-3-chloropropan-1-one
- CAS:1288338-96-4
- MF:C25H25ClN6O2
- Structure:
- Chemical Name:Bendamustine Impurity 8
- CAS:1797881-48-1
- MF:C14H19Cl2N3O2
- Structure:
- Chemical Name:FeBuxostat Impurity 32
- CAS:1805770-41-5
- MF:C12H12N2O
- Structure:
- Chemical Name:Edoxaban Impurity 9(1R,2S,4S)
- CAS:2024614-15-9
- MF:C21H30ClN5O5
- Structure:
- Chemical Name:Rivaroxaban Impurity 22
- CAS:1350288-77-5
- MF:C19H18ClN3O5S
- Structure:
- Chemical Name:Rivaroxaban Impurity 27
- CAS:1369969-44-7
- MF:C21H21N3O5
- Structure:
- Chemical Name:Abiraterone Impurity 9
- CAS:165334-72-5
- MF:C24H31NO
- Chemical Name:Gliclazide Impurity A
- CAS:
- MF:
- Structure:
- Chemical Name:Medetomidine Impurity 14
- CAS:79924-14-4
- MF:C13H16N2
- Structure:
- Chemical Name:Tenofovir Disoproxil Impurity B
- CAS:36817-69-3
- MF:C8H11N5O
- Chemical Name:Ipragliflozin IMP
- CAS:
- MF:
- Structure:
- Chemical Name:2-Propanone, 1,3-bis(4-methoxyphenyl)-
- CAS:29903-09-1
- MF:C17H18O3