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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