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Pharmaceutical Impurity Reference Standards
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- Chemical Name:Ticagrelor Impurity 31
- CAS:
- MF:
- Structure:
- Chemical Name:Ticagrelor Related Compound 46
- CAS:2205903-73-5
- MF:C28H42ClN9O8S2
- Structure:
- Chemical Name:Ticagrelor Related Compound 71
- CAS:1548397-10-9
- MF:C7H8ClN3O3S
- Chemical Name:Ticagrelor Related Compound 76
- CAS:
- MF:
- Chemical Name:Vonoprazan Impurity 25
- CAS:
- MF:
- Structure:
- Chemical Name:1-(3,4-Dimethoxyphenyl)-2-(methylsulfonyl)ethan-1-amine
- CAS:1255909-25-1
- MF:C11H17NO4S
- Chemical Name:Adefovir Impurity C
- CAS:
- MF:
- Chemical Name:Blonanserin Impurity M
- CAS:
- MF:
- Chemical Name:Brexpiprazole Impurity H
- CAS:
- MF:
- Chemical Name:Cefaclor EP Impurity H
- CAS:
- MF:
- Chemical Name:Flupentixol Impurity B
- CAS:
- MF:
- Structure:
- Chemical Name:Ipratropium Bromide Impurity J
- CAS:
- MF:C20H29Br2NO3
- Structure:
- Chemical Name:2-chloromethyl-4-(3-hydroxypropoxy)-3-methylpyridine
- CAS:117976-92-8
- MF:C10H14ClNO2
- Structure:
- Chemical Name:8-Methoxy Entecavir
- CAS:2203740-23-0
- MF:C13H17N5O4
- Structure:
- Chemical Name:Bortezomib Impurity 32
- CAS:1310383-72-2
- MF:C17H31BF3NO5
- Chemical Name:Topiroxostat Impurity 14
- CAS:
- MF:
- Structure:
- Chemical Name:1-Pyrrolidinecarboxylic acid, 4-hydroxy-2-(3-thiazolidinylcarbonyl)-, 1,1-dimethylethyl ester, (2S,4S)-
- CAS:401564-34-9
- MF:C13H22N2O4S
- Chemical Name:Ampicillin Impurity B
- CAS:
- MF:
- Structure:
- Chemical Name:4-PYRIDIN-4-YL-BUTYRIC ACID
- CAS:102878-73-9
- MF:C9H11NO2
- Structure:
- Chemical Name:epi-Doxycycline
- CAS:3219-99-6
- MF:C22H24N2O8
- Structure:
- Chemical Name:C-Desmethyl Metoprolol
- CAS:109632-08-8
- MF:C14H23NO3
- Chemical Name:Clindamycin Phosphate EP Impurity K
- CAS:
- MF:
- Structure:
- Chemical Name:7,7'-(butane-1,4-diylbis(oxy))bis(quinolin-2(1H)-one)
- CAS:2116542-19-7
- MF:C22H20N2O4
- Structure:
- Chemical Name:Descyclopropyl Lenvatinib
- CAS:417719-51-8
- MF:C18H15ClN4O4
- Structure:
- Chemical Name:3-Piperidinemethanol, 4-(4-fluorophenyl)-1-methyl-, (3R,4R)-rel-
- CAS:54088-21-0
- MF:C13H18FNO
- Structure:
- Chemical Name:1'-Hydroxy Bilastine
- CAS:1638785-23-5
- MF:C28H37N3O4
- Structure:
- Chemical Name:Brexpiprazole Impurity 4
- CAS:2116542-20-0
- MF:C25H27N3O2S
- Structure:
- Chemical Name:Fosaprepitant Impurity 5
- CAS:327623-35-8
- MF:C21H19F6NO3
- Structure:
- Chemical Name:Moxifloxacin Ethyl Ester
- CAS:1403836-23-6
- MF:C23H28FN3O4
- Structure:
- Chemical Name:Pantoprazole Impurity 5
- CAS:1806469-15-7
- MF:C8H6F2N2O2
- Structure:
- Chemical Name:Venlafaxine Impurity 5
- CAS:1346600-77-8
- MF:C17H27NO2
- Structure:
- Chemical Name:N-(4-methyl-3-(4-methyl-6-(pyridin-3-yl)pyrimidin-2-ylamino)phenyl)-4-((4-methylpiperazin-1-yl)methyl)benzamide
- CAS:
- MF:C30H33N7O
- Structure:
- Chemical Name:Exemestane impurity B -F
- CAS:184972-09-6
- MF:C20H26O3
- Structure:
- Chemical Name:Fesoterodine Impurity 8
- CAS:1380491-71-3
- MF:C48H66N2O4
- Structure:
- Chemical Name:QBWNUEJPRUVNTD-FOIQADDNSA-N
- CAS:1346602-17-2
- MF:C22H17N3O5
- Structure:
- Chemical Name:JZWUWLJCMMPASK-YTSMVRMISA-N
- CAS:147103-95-5
- MF:C24H24N4O7S
- Structure:
- Chemical Name:KXEITTOLAUJQPU-UHFFFAOYSA-N
- CAS:1797832-43-9
- MF:C20H21N7O2S
- Structure:
- Chemical Name:GPZGXSFHPLUMHE-KEUNHQLVSA-N
- CAS:157054-84-7
- MF:C52H81NO13
- Structure:
- Chemical Name:IRLGOHSHDYCIAB-ZMVBZRCWSA-N
- CAS:1076198-14-5
- MF:C19H23F3N2O5
- Structure:
- Chemical Name:AOEGVETYSHPGBP-XYIDDFOTSA-N
- CAS:1887057-05-7
- MF:C41H55NO14
- Structure:
- Chemical Name:4,6-DIAMINOINDAZOLE
- CAS:885518-52-5
- MF:C7H8N4
- Structure:
- Chemical Name:12-Deoxy Roxithromycin
- CAS:425365-65-7
- MF:C41H76N2O14
- Structure:
- Chemical Name:1-(1-oxidopyridin-1-ium-2-yl)-1-phenylethanol
- CAS:100393-43-9
- MF:C13H13NO2
- Structure:
- Chemical Name:(R)-(R)-1-methylpyrrolidin-3-yl 2-cyclopentyl-2-hydroxy-2-phenylacetate(WXC03446)
- CAS:616866-21-8
- MF:C18H25NO3
- Structure:
- Chemical Name:(R)-2-((6-(3-aminopiperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzoic acid
- CAS:
- MF:C18H22N4O4
- Structure:
- Chemical Name:(R)-2-((6-(3-aminopiperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzoic acid
- CAS:
- MF:C18H22N4O4
- Structure:
- Chemical Name:6'-methyl-3-(4-(methylsulfonyl)phenyl)-[2,3'-bipyridin]-5-amine
- CAS:
- MF:C18H17N3O2S
- Chemical Name:Diquafosol Impurity 4
- CAS:
- MF:
- Chemical Name:Tofacitinib Impurity X
- CAS:
- MF:
- Structure:
- Chemical Name:3-pentylideneisobenzofuran-1(3H)-one
- CAS:90965-68-7
- MF:C13H14O2
- Chemical Name:Labetalol EP impurity E
- CAS:
- MF:
- Structure:
- Chemical Name:1-Propanol, 3-(2-methoxy-5-nitrophenoxy)-
- CAS:1156068-41-5
- MF:C10H13NO5
- Structure:
- Chemical Name:Kaempferol-3-rhamnoglucoside-7-glucoside
- CAS:34336-18-0
- MF:C33H40O20
- Structure:
- Chemical Name:Mupirocin iMpurity 2
- CAS:
- MF:C26H44O9
- Structure:
- Chemical Name:Cytarabine Impurity 10
- CAS:32830-01-6
- MF:C9H11N3O4
- Chemical Name:Ceftriaxone Sodium impurity 5
- CAS:
- MF:
- Chemical Name:Sugammadex sodium Org48302 Impurity
- CAS:
- MF:
- Structure:
- Chemical Name:176761-00-5
- CAS:176761-00-5
- MF:C17H15FN2O5
- Chemical Name:Pramipexole Impurity W
- CAS:
- MF:
- Structure:
- Chemical Name:Aprepitant Impurity 44
- CAS:172676-88-9
- MF:C23H21F7N4O3
- Chemical Name:Oseltamivir Impurity 26
- CAS:241465-24-7
- MF:
- Chemical Name:Afatinib Impurity I
- CAS:
- MF:
- Chemical Name:Moxifloxacin Impurity 5
- CAS:
- MF:
- Chemical Name:Moxifloxacin Impurity 24
- CAS:
- MF:
- Chemical Name:Fosaprepitant Impurity 1
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 1
- CAS:
- MF:
- Chemical Name:Ezetimibe Impurity 36
- CAS:
- MF:
- Chemical Name:Pitavastatin Impurity 2
- CAS:
- MF:
- Chemical Name:Fudosteine Impurity 2
- CAS:
- MF:
- Chemical Name:Sugammadex Impurity 18
- CAS:
- MF:
- Chemical Name:Mirabegron Impurity 21
- CAS:
- MF:
- Structure:
- Chemical Name:Apixaban Impurity 18
- CAS:473927-65-0
- MF:C20H17IN4O3
- Structure:
- Chemical Name:Clopidogrel Impurity 12
- CAS:
- MF:C15H14ClNO2S
- Chemical Name:Oseltamivir Impurity 25
- CAS:
- MF:
- Chemical Name:Ritonavir EP Impurity P
- CAS:
- MF:
- Structure:
- Chemical Name:Tacrolimus Impurity 4
- CAS:686773-61-5
- MF:C44H69NO12
- Structure:
- Chemical Name:(2R,4S)-isopropyl5-([1,1'-biphenyl]-4-yl)-4-(2,5-dioxopyrrolidin-1- yl)-2-methylpentanoate
- CAS:
- MF:C25H29NO4
- Structure:
- Chemical Name:methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)-3- oxopropanoate hydrochloride
- CAS:
- MF:C16H24ClNO5
- Chemical Name:Aprepitant iMpurity 37
- CAS:
- MF:
- Structure:
- Chemical Name:Vitamin E Impurity 3
- CAS:1560705-69-2
- MF:C29H50O2
- Structure:
- Chemical Name:(trans)-phenyl3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4'-fluoro-[1,1'-biphenyl]-3-yl)piperidine-1-carboxylate
- CAS:
- MF:C32H28FNO5
- Chemical Name:arformoterol tartrate impurity
- CAS:
- MF:
- Chemical Name:arformoterol tartrate impurity
- CAS:
- MF:
- Chemical Name:Cefraprazole impurity
- CAS:
- MF:
- Chemical Name:Afatinib Impurity QAQ
- CAS:
- MF:
- Chemical Name:Afatinib Impurity QAQ
- CAS:
- MF:
- Structure:
- Chemical Name:Afatinib Impurity SHO
- CAS:2223677-65-2
- MF:C38H30Cl2F2N8O6
- Structure:
- Chemical Name:Afatinib Impurity SHO
- CAS:2223677-65-2
- MF:C38H30Cl2F2N8O6
- Structure:
- Chemical Name:Androstan-17-one,3-[[(4-methylphenyl)sulfonyl]oxy]-,(3,5)-
- CAS:10429-07-9
- MF:C26H36O4S
- Structure:
- Chemical Name:Cabozantinib Impurity 48
- CAS:202916-99-2
- MF:C17H15NO3
- Chemical Name:Landiolol impurity R
- CAS:
- MF:
- Structure:
- Chemical Name:6-Oxo-Palonosetron
- CAS:848074-10-2
- MF:C19H22N2O2
- Chemical Name:Teneligliptin Impurity 8
- CAS:
- MF:
- Chemical Name:(trans)-4-(4'-fluoro-[1,1'-biphenyl]-3-yl)-1-methylpiperidin-3-yl) methanol
- CAS:
- MF:
- Structure:
- Chemical Name:2,4(1H,3H)-Pyrimidinedione, 3-[[2-fluoro-6-(trifluoromethyl)phenyl]methyl]-6-methyl-
- CAS:2354391-45-8
- MF:C13H10F4N2O2
- Structure:
- Chemical Name:Cyclopropane, nitroso-
- CAS:28017-92-7
- MF:C3H5NO
- Chemical Name:Hyoscine Butylbromide EP Impurity D
- CAS:
- MF:
- Chemical Name:Carbetocin Impurity 1
- CAS:
- MF:
- Chemical Name:Carboprost Trometamol Impurity A
- CAS:
- MF:
- Structure:
- Chemical Name:Procaine Impurity 2
- CAS:
- MF:C13H20N2O2