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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:((R)-2-biphenyl-4-yl-1-forMylethyl)carbaMic acid t-butyl ester
- CAS:149709-58-0
- MF:C20H23NO3
- Structure:
- Chemical Name:1-(2,3-DiMethylphenyl)-1-(1H-iMidazol-4-yl)ethanol
- CAS:86347-12-8
- MF:C13H16N2O
- Structure:
- Chemical Name:Ropivacaine-iPr-R
- CAS:1050482-18-2
- MF:C17H26N2O
- Structure:
- Chemical Name:Demiditraz IMpurity
- CAS:944268-66-0
- MF:C20H22N2O
- Structure:
- Chemical Name:AcarBose EP Impurity B
- CAS:1220983-54-9
- MF:C26H43NO17
- Chemical Name:Alogliptin Impurity 17
- CAS:
- MF:
- Structure:
- Chemical Name:Aprepitant Impurity 15
- CAS:1447693-83-5
- MF:C20H19ClF7NO2
- Structure:
- Chemical Name:Betamethasone EP Impurity H
- CAS:185613-71-2
- MF:C22H29FO5
- Structure:
- Chemical Name:Blonanserin Impurity 10
- CAS:132810-87-8
- MF:C23H30ClN3
- Chemical Name:Blonanserin impurity G
- CAS:
- MF:
- Chemical Name:Cefodizime Impurity 5
- CAS:
- MF:
- Chemical Name:Clindamycin Impurity 4
- CAS:
- MF:
- Structure:
- Chemical Name:Doxofylline Impurity 4
- CAS:2095554-12-2
- MF:C11H16N4O5
- Structure:
- Chemical Name:Eltrombopag Impurity 1
- CAS:1246929-02-1
- MF:C25H23N5O3
- Chemical Name:Everolimus impurity A
- CAS:
- MF:
- Chemical Name:Fosaprepitant Impurity 13
- CAS:
- MF:
- Chemical Name:Gefitinib Impurity J
- CAS:
- MF:
- Chemical Name:Isavuconazole Impurity 23
- CAS:
- MF:
- Chemical Name:Isavuconazole Impurity 29
- CAS:
- MF:
- Chemical Name:Isavuconazole Impurity 7
- CAS:
- MF:
- Structure:
- Chemical Name:Lercanidipine Impurity 6
- CAS:786625-22-7
- MF:C37H43N3O6
- Chemical Name:Linagliptin Impurity 43
- CAS:
- MF:
- Chemical Name:MiraBegron Impurity A
- CAS:
- MF:
- Chemical Name:Moxifloxacin Impurity 15
- CAS:
- MF:
- Chemical Name:Moxifloxacin Impurity 32
- CAS:
- MF:
- Structure:
- Chemical Name:Nifedipine Impurity F
- CAS:53055-15-5
- MF:C18H20N2O6
- Structure:
- Chemical Name:Olaparib Impurity 15
- CAS:2250243-17-3
- MF:C24H25FN4O3
- Structure:
- Chemical Name:Olopatadine Impurity 4
- CAS:55690-15-8
- MF:C18H18O5
- Chemical Name:Posaconazole Impurity 26
- CAS:
- MF:
- Structure:
- Chemical Name:Posaconazole Impurity 48
- CAS:1902954-03-3
- MF:C37H42F2N8O5
- Chemical Name:Posaconazole Impurity 9
- CAS:
- MF:
- Chemical Name:Roxithromycin Impurity E
- CAS:
- MF:
- Chemical Name:SofosBuvir impurity 48
- CAS:
- MF:
- Structure:
- Chemical Name:SofosBuvir Impurity 54
- CAS:1431932-81-8
- MF:C12H17ClNO4P
- Structure:
- Chemical Name:Timolol EP Impurity G
- CAS:75202-36-7
- MF:C6H9N3O3S
- Structure:
- Chemical Name:Tofacitinib Impurity 44
- CAS:2374700-39-5
- MF:C13H19N5
- Chemical Name:Trelagliptin Impurity 24
- CAS:
- MF:
- Structure:
- Chemical Name:dimethyl 3- isobutylpentanedioate
- CAS:145328-03-6
- MF:C11H20O4
- Structure:
- Chemical Name:Phenol, 4-chloro-3-[(4-ethoxyphenyl)methyl]-
- CAS:1408077-50-8
- MF:C15H15ClO2
- Structure:
- Chemical Name:2-amino-9-((3aS,4S,6S,6aR)-3a,6-dihydroxyhexahydro-1H-cyclopenta[c]furan-4-yl)-1,9-dihydro-6H-purin-6-one
- CAS:1984788-96-6
- MF:C12H15N5O4
- Chemical Name:Ampicillin Impurity C
- CAS:
- MF:
- Chemical Name:Ampicillin Impurity O
- CAS:
- MF:
- Chemical Name:mixture of PD 312236 and PD 312237
- CAS:
- MF:
- Structure:
- Chemical Name:Axitinib Impurity 27
- CAS:1639137-80-6
- MF:C24H20N4O2S
- Structure:
- Chemical Name:(4R,5R,6S)-4-nitrobenzyl 6-((R)-1-hydroxyethyl)-4-methyl-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylate
- CAS:104873-15-6
- MF:C17H18N2O7
- Chemical Name:Lesinurad Impurity
- CAS:
- MF:
- Structure:
- Chemical Name:Chrysophanol triglucoside
- CAS:120181-07-9
- MF:C33H40O19
- Structure:
- Chemical Name:7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-(5-chloro-2-ethoxyphenyl)-1,6-dihydro-1-methyl-3-propyl-
- CAS:1829588-57-9
- MF:C17H19ClN4O2
- Chemical Name:Cefminox sodium impurities Ⅲ
- CAS:
- MF:
- Structure:
- Chemical Name:Canagliflozin Impurity 18
- CAS:1951467-29-0
- MF:C24H25FO6S
- Structure:
- Chemical Name:Fosaprepitant Impurity 6
- CAS:327623-34-7
- MF:C21H19F6NO3
- Structure:
- Chemical Name:Ivabradine Impurity 16 HCl
- CAS:304464-98-0
- MF:C26H34N2O5
- Chemical Name:Moxifloxacin EP Impurity A HCl
- CAS:
- MF:
- Structure:
- Chemical Name:Paroxetine EP Impurity H HCl
- CAS:503834-41-1
- MF:C19H23ClFNO
- Structure:
- Chemical Name:Solifenacin Related Compound 13
- CAS:1251905-45-9
- MF:C17H17NO2
- Structure:
- Chemical Name:1-(3-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboximidamide
- CAS:2101651-50-5
- MF:C14H12FN5
- Structure:
- Chemical Name:N1-(4-chlorophenyl)-3,12-diimino-N14-phenyl-2,4,11,13-Tetraazatetradecanediimidamide
- CAS:152504-12-6
- MF:C22H31ClN10
- Structure:
- Chemical Name:Ethylmethyl-carbamic chloride
- CAS:42252-34-6
- MF:C4H8ClNO
- Structure:
- Chemical Name:Cisatracurium-20-methyl Dibenzenesulfonate
- CAS:1193104-85-6
- MF:C60H79N2O15S+
- Structure:
- Chemical Name:[R-(R*,S*)]-(-)-N-(1-PHENYLETHYL)-1-AZABICYCLO[2.2.2]OCTAN-3-AMINE DIHYDROCHLORIDE
- CAS:128311-06-8
- MF:C15H24Cl2N2
- Structure:
- Chemical Name:GURKHSYORGJETM-MGDILKBHSA-N
- CAS:1992961-26-8
- MF:C33H39ClN4O6
- Structure:
- Chemical Name:DVCUGHHGLKCBMT-QVDQXJPCSA-N
- CAS:1356353-76-8
- MF:C15H24N6O6
- Structure:
- Chemical Name:5,6-Dehydro-Tigecycline
- CAS:1633815-62-9
- MF:C29H37N5O8
- Structure:
- Chemical Name:N-Depiperidin-3-amine Linagliptin Dimer
- CAS:2253964-98-4
- MF:C45H44N14O4
- Structure:
- Chemical Name:(1R,5R,6S)-5-Hydroxy-7-oxabicyclo[4.1.0]hept-2-ene-3-carboxylic Acid Ethyl Ester
- CAS:1476028-68-8
- MF:C9H12O4
- Structure:
- Chemical Name:(8S,11S,Z)-5-(2-Aminothiazol-4-yl)-11-(3-guanidinopropyl)-2,2-dimethyl-6,9-dioxo-8-((S)-1-(sulfoamino)ethyl)-3-oxa-4,7,10-triazadodec-4-ene-1,12-dioic Acid
- CAS:
- MF:C19H31N9O10S2
- Chemical Name:Brepperazole impurity
- CAS:
- MF:
- Structure:
- Chemical Name:Mupirocin iMpurity 4
- CAS:
- MF:C26H44O9
- Structure:
- Chemical Name:Tenofovirdisoproxil Impurity C
- CAS:1878175-82-6
- MF:C11H17N5O2
- Structure:
- Chemical Name:Cytarabine Impurity 13
- CAS:82855-62-7
- MF:C17H19N5O8
- Structure:
- Chemical Name:2052297-80-8
- CAS:2052297-80-8
- MF:C12H21NO3
- Chemical Name:Pramipexole Impurity L
- CAS:
- MF:
- Structure:
- Chemical Name:1020151-61-4
- CAS:1020151-61-4
- MF:C14H23ClO3S
- Chemical Name:Nicergoline Impurity M
- CAS:
- MF:
- Chemical Name:Apixaban Impurity 48
- CAS:
- MF:
- Structure:
- Chemical Name:ethyl 2-(4-(tert-butoxy)-3-cyanophenyl)-4-methylthiazole-5- carboxylate
- CAS:
- MF:C18H20N2O3S
- Structure:
- Chemical Name:(trans)-phenyl 3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4'-fluoro- [1,1'-biphenyl]-4-yl)piperidine-1-carboxylate
- CAS:
- MF:C32H28FNO5
- Chemical Name:Moxifloxacin Impurity 9
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 10
- CAS:
- MF:
- Chemical Name:Tofacitinib Impurity O
- CAS:
- MF:
- Structure:
- Chemical Name:Celecoxib Impurity 5
- CAS:
- MF:C17H14F3N3O2S
- Chemical Name:Prasugrel Impurity 10
- CAS:
- MF:
- Structure:
- Chemical Name:Amlodipine N-Lactoside
- CAS:749864-27-5
- MF:C32H45ClN2O15
- Chemical Name:Sugammadex Impurity 19
- CAS:2379877-89-9
- MF:
- Chemical Name:Apixaban Impurity 29
- CAS:
- MF:
- Chemical Name:Alogliptin Impurity 22
- CAS:
- MF:
- Structure:
- Chemical Name:Ritonavir Impurity
- CAS:1414933-89-3
- MF:C23H32N2O3
- Chemical Name:Riociguat Impurity 7
- CAS:
- MF:
- Structure:
- Chemical Name:Tacrolimus Impurity 5
- CAS:161861-18-3
- MF:C44H67NO12
- Structure:
- Chemical Name:monocalciummono(4-(((2S,4R)-1-([1,1'-biphenyl]-4-yl)-5- methoxy-4-methyl-5-oxopentan-2-yl)amino)-4-oxobutanoate)
- CAS:
- MF:C23H26CaNO5
- Chemical Name:Aprepitant iMpurity 38
- CAS:
- MF:
- Chemical Name:Aprepitant iMpurity 41
- CAS:
- MF:
- Chemical Name:(E)-3'-(2-(1-(3,4-dimethylphenyl)
- CAS:
- MF:
- Structure:
- Chemical Name:Tenofovir
- CAS:34956-22-4
- MF:C14H23O6PS
- Chemical Name:Afatinib Impurity YHQ
- CAS:
- MF:
- Structure:
- Chemical Name:Sorafenib impurity 24/N-Methyl-4-[4-[[2-[(methylamino)carbonyl]-4-pyridinyl]amino]phenoxy]-2-pyridinecarboxamide
- CAS:2004659-83-8
- MF:C20H19N5O3
- Structure:
- Chemical Name:Cabozantinib Impurity 49
- CAS:190728-26-8
- MF:C17H14N2O5
- Chemical Name:Landiolol impurity S
- CAS:
- MF:
- Structure:
- Chemical Name:Mupirocin Calcium EP Impurity G
- CAS:
- MF:C26H44CaO9
- Structure:
- Chemical Name:Atorvastatin Impurity 40
- CAS:1116118-82-1
- MF:C50H64FN3O8