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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:
- Butyphthalide impurity 43
- CAS:
- 952412-99-6
- MF:
- C11H14O3
- Structure:
- Chemical Name:
- Cabozantinib impurity 23
- CAS:
- 406-00-8
- MF:
- C6H6FNO
- Structure:
- Chemical Name:
- Celecoxib Impurity 17
- CAS:
- 2247197-65-3
- MF:
- C17H14F3N3O4S
- Chemical Name:
- Dapoxetine impurity 21
- Chemical Name:
- Febuxostat Impurity 74
- Chemical Name:
- Febuxostat Impurity 79
- Chemical Name:
- Febuxostat Impurity 94
- Chemical Name:
- Fosaprepitant Impurity ELS
- Structure:
- Chemical Name:
- Lenvatinib Impurity 14
- CAS:
- 417719-45-0
- MF:
- C19H17ClN4O4
- Chemical Name:
- Lenvatinib Impurity 23
- Chemical Name:
- Olsalazine Impurity F
- Chemical Name:
- Regorafenib Impurity 19
- Chemical Name:
- Regorafenib Impurity 26
- Chemical Name:
- Sitafloxacin Impurity ZZ-B-01
- Structure:
- Chemical Name:
- Tofacitinib Impurity 3
- CAS:
- 1206825-36-6
- MF:
- C13H19N5
- Chemical Name:
- Tofacitinib Impurity 89
- Structure:
- Chemical Name:
- Nintedanib Impurity L
- CAS:
- 2095596-44-2
- MF:
- C31H33N5O4
- Structure:
- Chemical Name:
- (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10,11,13- pentahydroxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6- azacyclopentadecan-15-one
- CAS:
- 117693-42-2
- MF:
- C22H43NO7
- Structure:
- Chemical Name:
- Rizatriptan EP Impurity A
- CAS:
- 887001-08-3
- MF:
- C28H35N7
- Structure:
- Chemical Name:
- Dapoxetine iMpurity
- CAS:
- 38262-42-9
- MF:
- C11H10O3S
- Chemical Name:
- Eltrombopag Impurity 7
- Chemical Name:
- Saxagliptin Impurity 9
- Structure:
- Chemical Name:
- (1r,4r)-4-((2-aminobenzyl)amino)cyclohexanol
- CAS:
- 15992-77-5
- MF:
- C15H22N2O5
- Chemical Name:
- Moxifloxacin degrade Impurity
- Chemical Name:
- Edaravone Impurity 17
- Chemical Name:
- Capecitabine impurity 7
- Chemical Name:
- Linagliptin Impurity 46
- Structure:
- Chemical Name:
- ((3R,5S,E)-3,5-dihydroxy-7-(4-isopropyl-2-(N-methylmethylsulfonamido)-6-phenylpyrimidin-5-yl)hept-6-enoate)calcium(II)
- MF:
- C44H56CaN6O12S2
- Structure:
- Chemical Name:
- Levofloxacin Impurity 24
- MF:
- C18H20FN3O4
- Structure:
- Chemical Name:
- (trans)-2-(3,4-difluorophenyl)cyclopropanecarboxamide
- CAS:
- 1932275-13-2
- MF:
- C10H9F2NO
- Structure:
- Chemical Name:
- (3R,5S,Z)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoic acid calcium(II)
- CAS:
- 1445208-17-2
- MF:
- C22H28FN3O6S
- Structure:
- Chemical Name:
- Tafluprost Impurity 7
- CAS:
- 733036-94-7
- MF:
- C25H35FO5
- Chemical Name:
- Tropisetron Impurity 1
- Chemical Name:
- Fosaprepitant Impurity DBJ
- Chemical Name:
- Cabozantinib impurity 29
- Chemical Name:
- Cabozantinib impurity 34
- Chemical Name:
- Carfilzomib Impurity YGH
- Chemical Name:
- Ondansetron Impurity 3
- Chemical Name:
- Irsogladine Impurity GDT
- Chemical Name:
- Carvedilol Impurity NH
- Structure:
- Chemical Name:
- Pregabalin Impurity 8
- CAS:
- 44996-52-3
- MF:
- C7H11NO3
- Structure:
- Chemical Name:
- Pregabalin Impurity 14
- CAS:
- 1610546-44-5
- MF:
- C7H11NO3
- Chemical Name:
- Cefditoren Impurity 1
- Structure:
- Chemical Name:
- Cefadroxil Impurity C
- CAS:
- 79962-91-7
- MF:
- C16H17N3O5S
- Structure:
- Chemical Name:
- Pralatrexate Impurity 8
- CAS:
- 112408-16-9
- MF:
- C8H15NO4
- Chemical Name:
- Pitavastatin Impurity 46
- Chemical Name:
- Canagliflozin Impurity 46
- Chemical Name:
- Lenvatinib Impurity 37
- Chemical Name:
- Sitafloxacin Impurity 20
- Chemical Name:
- posaconazole impurity 66
- Chemical Name:
- Dapoxetine impurity 33
- Chemical Name:
- Budesonide Impurity 4
- Chemical Name:
- Atracurium Impurity 31
- Structure:
- Chemical Name:
- Canagliflozin Impurity 49
- CAS:
- 2243132-56-9
- MF:
- C34H35FO11S
- Chemical Name:
- Canagliflozin Impurity 55
- Chemical Name:
- Rosuvastatin Impurity 74
- Chemical Name:
- Tofacitinib Impurity 106
- Chemical Name:
- Hydroxychloroquine Impurity J
- Chemical Name:
- Levetiracetam Impurity 25
- Chemical Name:
- Levosimendan Impurity 7
- Chemical Name:
- Cabozantinib impurity K
- Chemical Name:
- Crisaborole Impurity 8
- Chemical Name:
- Trifluridine Impurity B
- Chemical Name:
- Rotigotine Impurity
- Structure:
- Chemical Name:
- Olprinone Impurity 2
- CAS:
- 106730-62-5
- MF:
- C14H12N4O2
- Chemical Name:
- Nicorandil Impurity F
- Chemical Name:
- Nicorandil Impurity A
- Chemical Name:
- Evogliptin Impurity 1
- Chemical Name:
- Ondansetron IMpurity 5
- Chemical Name:
- Plerixafor Impurity 1
- Chemical Name:
- MeropeneM iMpurity 7
- Chemical Name:
- Afatinib Impurity 50
- Structure:
- Chemical Name:
- Brexpiprazole Impurity 34
- CAS:
- 2247155-42-4
- MF:
- C25H27N3O4S
- Structure:
- Chemical Name:
- Cabozantinib Impurity 5
- CAS:
- 104330-60-1
- MF:
- C11H12FNO3
- Chemical Name:
- Dronedarone Impurity 9
- Chemical Name:
- Empagliflozin Impurity 58
- Chemical Name:
- Exemestane Impurity 6
- CAS:
- 14895-71-7
- Chemical Name:
- Gadobutrol Impurity 10
- Chemical Name:
- Linagliptin Impurity 55
- Chemical Name:
- Oseltamivir Impurity 52
- Chemical Name:
- Palbociclib Impurity 65
- Chemical Name:
- Pimecrolimus Impurity 1
- Chemical Name:
- Rosuvastatin Impurity 99
- Chemical Name:
- Terbutaline Impurity 18
- Chemical Name:
- Ticagrelor Impurity 123
- Structure:
- Chemical Name:
- Tofacitinib Impurity 112
- CAS:
- 2179757-75-4
- MF:
- C12H19N3O2
- Chemical Name:
- Trelagliptin Impurity 42
- Chemical Name:
- Carbocistein Impurity E
- Structure:
- Chemical Name:
- Tolvaptan Impurity 35
- CAS:
- 1316312-24-9
- MF:
- C10H10ClN
- Chemical Name:
- Erythromycin Impurity F
- Chemical Name:
- Apixaban Impurity 39
- Chemical Name:
- Aztreonam Impurity 1
- Chemical Name:
- Axitinib Impurity 1
- Chemical Name:
- Aprepitant Impurity 15
- Structure:
- Chemical Name:
- Trelagliptin Impurity 17
- CAS:
- 865759-02-0
- MF:
- C17H20BrFN4O2
- Chemical Name:
- Dapoxetine Impurity 1
- CAS:
- 2825577-69-1
- Chemical Name:
- Regorafenib Impurity 15
- Chemical Name:
- Flomoxef Impurity 2
- Chemical Name:
- Varenicline Impurity 2
- Chemical Name:
- Topiroxostat Impurity 5