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Pharmaceutical Impurity Reference Standards

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Structure:
Chemical Name:
O-DesMethyl Venlafaxine Cyclic IMpurity
CAS:
1346601-55-5
MF:
C16H23NO2
Structure:
Chemical Name:
rac-cis-2,3-Dichloro Sertraline Hydrochloride
CAS:
1198084-29-5
MF:
C17H18Cl3N
Structure:
Chemical Name:
11β-Hydroperoxy Dienogest
CAS:
106111-43-7
MF:
C20H25NO4
Structure:
Chemical Name:
2'-Nor ThiaMine
CAS:
7770-93-6
MF:
C11H15ClN4OS
Structure:
Chemical Name:
6α-Methyl Hydrocortisone 21-Acetate
CAS:
1625-11-2
MF:
C24H34O6
Chemical Name:
piperacillinylaMpicillin
Chemical Name:
Celecoxib iMpurity-B
Chemical Name:
EMtricitabine iMpurity B
Structure:
Chemical Name:
(S,S)-1,7-diazatricyclo[7.3.0.07,11]dodecane-2,6,8,12-tetrone
CAS:
14842-41-2
MF:
C10H10N2O4
Structure:
Chemical Name:
1-Hydroxy-7-Methoxy-1,2,3,4-tetrahydronaphthalene
CAS:
32820-10-3
MF:
C11H14O2
Structure:
Chemical Name:
BroMhexine Hydrochloride iMpurity DN-(2-AMino-5-broMobenzyl)-N-MethylcyclohexanaMine Dihydrochloride
CAS:
132004-28-5
MF:
C14H21BrN2
Structure:
Chemical Name:
2-(DiMethylcarbaMoyl)benzoic acid, 97%
CAS:
20320-37-0
MF:
C10H11NO3
Structure:
Chemical Name:
RAC DESMETHYL CITALOPRAM HYDROCHLORIDE
CAS:
97743-99-2
MF:
C19H19FN2O
Structure:
Chemical Name:
rac-3-Oxo Atorvastatin SodiuM Salt
CAS:
1391052-00-8
MF:
C33H34FN2NaO5
Structure:
Chemical Name:
2-Demethoxy-4-methoxy urapidil
CAS:
34661-79-5
MF:
C20H29N5O3
Structure:
Chemical Name:
Ribavirin IMpurity F
CAS:
58151-87-4
MF:
C10H14N4O6
Structure:
Chemical Name:
4-[-((-((4-(5-(Bis(2-hydroxyethyl)aMino)-1-Methyl-1H-benzo[d]iMidazol-2-yl)butanoyl)oxy)ethyl)(2-hydroxyethyl)aMino)-1-Methyl-1H-benzo[d]iMidazol-2-yl)butanic Acid
CAS:
1228551-91-4
MF:
C32H41Cl3N6O4
Structure:
Chemical Name:
3-(6,7-Dihydro-2-Methyl-7-oxo-3-propyl-2H-pyrazolo[4,3-d]pyriMidin-5-yl)-4-ethoxy-benzenesulfonyl Chloride
CAS:
501120-42-9
MF:
C17H19ClN4O4S
Structure:
Chemical Name:
(3R,4S)-rel-3-[(1,3-Benzodioxol-5-yloxy)Methyl]-4-(4'-fluoro[1,1'-biphenyl]-4-yl)-piperidine Hydrochloride
CAS:
1217655-87-2
MF:
C25H25ClFNO3
Structure:
Chemical Name:
(16α)-16,17-[Butylidenebis(oxy)]-21-hydroxypregna-1,4-diene-3,11,20-trione
CAS:
216453-74-6
MF:
C25H32O6
Structure:
Chemical Name:
6(S)-Hydroperoxy Simvastatin
CAS:
149949-01-9
MF:
C25H38O7
Structure:
Chemical Name:
Russupteridine IV
CAS:
2535-20-8
MF:
C13H18N4O6
Structure:
Chemical Name:
2-[(1-Benzylpiperidin-4-yl)hydroxyMethyl]-5,6-diMethoxyindan-1-one
CAS:
197010-20-1
MF:
C24H29NO4
Structure:
Chemical Name:
5,6-trans-Ergocalciferol
CAS:
51744-66-2
MF:
C28H44O
Structure:
Chemical Name:
2-isonicotinoyl-5,6-diMethoxy-2,3-dihydro-1H-inden-1-one
CAS:
923571-15-7
MF:
C17H15NO4
Structure:
Chemical Name:
4-(2-nitrophenyl)Morpholin-3-one
CAS:
845729-41-1
MF:
C10H10N2O4
Structure:
Chemical Name:
Irbesartan IMpurity E
MF:
C25H28N6O
Structure:
Chemical Name:
LeflunoMide EP IMpurity G
CAS:
724429-16-7
MF:
C12H12N2O2
Chemical Name:
Telmisartan impurity C
Chemical Name:
Itraconazole iMpurity E
Structure:
Chemical Name:
Edoxaban Isomer (RRR)
CAS:
1255529-24-8
MF:
C24H30ClN7O4S
Structure:
Chemical Name:
1-NaphthaleneacetaMide, 1,2,3,4-tetrahydro-7-Methoxy-
CAS:
92041-01-5
MF:
C13H17NO2
Structure:
Chemical Name:
1,4,7,10-Tetraazacyclododecane-1,7-diacetic acid
CAS:
112193-75-6
MF:
C12H24N4O4
Structure:
Chemical Name:
7-ethyl-5H-chroMeno[2,3-b]pyridin-5-one
CAS:
53944-31-3
MF:
C14H11NO2
Structure:
Chemical Name:
2-Methyl-10H-thieno[2,3-b][1,5]benzodiazepin-4-aMine
CAS:
612503-08-9
MF:
C12H11N3S
Chemical Name:
IMp. A (EP): 8-Chloro-5,10-dihydro-11H-dibenzo[b,e][1,4]diazepin-11-one
Chemical Name:
IMp. C (EP): 8-Chloro-11-(piperazin-1-yl)-5H- dibenzo[b,e][1,4]diazepine
Structure:
Chemical Name:
21-Dehydro-16α-hydroxy Prednisolone
CAS:
1188271-73-9
MF:
C21H26O6
Structure:
Chemical Name:
(6α,11β)-11,20-Dihydroxy-6-Methyl-3-oxopregna-1,4,17(20)-trien-21-al
CAS:
1338549-02-2
MF:
C22H28O4
Structure:
Chemical Name:
(1R)-2-chloro-1-(3,4-difluorophenyl)-1-ethanol
CAS:
1212376-05-0
MF:
C8H7ClF2O
Structure:
Chemical Name:
2-[[(3aR,4S,6R,6aS)-6-[7-Chloro-5-(propylthio)-3H-1,2,3-triazolo[4,5-d]pyrimidin-3-yl]tetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]oxy]-ethanol
CAS:
376608-75-2
MF:
C17H24ClN5O4S
Structure:
Chemical Name:
Fluconazole IMpurity F
MF:
C13H12F2N6O
Structure:
Chemical Name:
Erlotinib IMpurity A
CAS:
1058132-82-3
MF:
C22H25N3O4
Chemical Name:
Apixaban iMpurity 5
Structure:
Chemical Name:
cefaclor iMpurity C
CAS:
143059-69-2
MF:
C15H14ClN3O4S
Chemical Name:
ceftazidiMe iMpurity B
CAS:
1236700-64-3
Structure:
Chemical Name:
pidotiMod iMpurity D
CAS:
162148-15-4
MF:
C9H12N2O4S
Structure:
Chemical Name:
Irinotecan Hydroxyl Acid
CAS:
142677-15-4
MF:
C22H22N2O6
Structure:
Chemical Name:
CyclopropanaMine, 2-(4-fluorophenyl)-(hydrochloride)(1:1),(1R,2S)-
CAS:
1314324-00-9
MF:
C9H11ClFN
Structure:
Chemical Name:
(1S,2S,3R,5S)-3-(7-(((1R,2S)-2-(3,4-difluorophenyl)cyclopropyl)aMino)-5-(propylsulfinyl)-3H-[1,2,3]triazolo[4,5-d]pyriMidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol
CAS:
1644461-85-7
MF:
C23H28F2N6O5S
Chemical Name:
AtracuriuM IMpurity C (Mixture of DiastereoMers)
CAS:
86293-35-8
Chemical Name:
AtracuriuM IMpurity E (cis-Quaternary Acid)
Chemical Name:
AztreonaM IMpurity B
Chemical Name:
Ceftriaxone IMpurit E
Structure:
Chemical Name:
decyl D-glucoside
CAS:
54549-25-6
MF:
C16H32O6
Chemical Name:
3-(((2R,3S)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(3-fluorophenyl)morpholino)methyl)-1H-1,2,4-triazol-5(4H)-one
Structure:
Chemical Name:
1-benzyl-4-phenylpiperidin-4-ol
CAS:
63843-83-4
MF:
C18H21NO
Structure:
Chemical Name:
[(±)-(4-amino-2-hydroxy-4-oxobutyl)trimethylammonium] chloride
CAS:
5261-99-4
MF:
C7H18ClN2O2+
Structure:
Chemical Name:
(S,R)-Palonosetron N-Oxide
MF:
C19H24N2O2
Structure:
Chemical Name:
17,21-dihydroxy-16beta-methylpregna-1,4,9(11)-triene-3,20-dione
CAS:
13504-15-9
MF:
C22H28O4
Structure:
Chemical Name:
Sulfamide, N-[6-[2-[(5-bromo-2-pyrimidinyl)oxy]ethoxy]-5-phenyl-4-pyrimidinyl]-N'-propyl-
CAS:
2300968-87-8
MF:
C19H21BrN6O4S
Structure:
Chemical Name:
Benzeneacetonitrile, 4-(4-chloro-1-oxobutyl)-α,α-dimethyl-
CAS:
169032-17-1
MF:
C14H16ClNO
Chemical Name:
Oseltamivir Impurity 103
Chemical Name:
Oseltamivir Impurity 101
Structure:
Chemical Name:
Acetamide, N-(4-hydroxyphenyl)-N-nitroso-
CAS:
146897-60-1
MF:
C8H8N2O3
Structure:
Chemical Name:
3-Azetidineacetonitrile, 1-(ethylsulfonyl)-3-[4-(1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl]-
CAS:
2402776-83-2
MF:
C16H17N7O2S
Chemical Name:
Iohexol ImpuritiesE
Structure:
Chemical Name:
TERT-BUTYL (R)-6-CHLORO-5-HYDROXY-3-OXOHEXANOATE
CAS:
404958-08-3
MF:
C10H17ClO4
Chemical Name:
2-(3-(4-(4-(1-(3-(cyanomethyl)-1-(ethylsulfonyl)azetidin-3-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-2-yl)-1H-pyrazol-1-yl)-1-(ethylsulfonyl)azetidin-3-yl)acetonitrile
Chemical Name:
8-chloro-11-(1-((5-methylpyridin-3-yl)methyl)piperidin-4-yl)-11H-benzo[5,6]cyclohepta[1,2-b]pyridine
Chemical Name:
Bumetanide Photodegradable Impurity 16
Chemical Name:
Bisoprolol Impurity 47
Chemical Name:
Gadobutrol Impurity 11(Ammonium salt)
Chemical Name:
Flomoxef Impurity F
Chemical Name:
Tegoprazan Impurity 15
Chemical Name:
Nirmatrelvir Impurity 8
Chemical Name:
Nirmatrelvir Impurity 2
Chemical Name:
(5-(2-fluorophenyl)-1H-pyrrol-3-yl)methanamine hydrochloride
Chemical Name:
Rocuronium Bromide Impurity 24 、25
Structure:
Chemical Name:
Cetirizine IMpurity-6
MF:
C21H25ClN2O3
Structure:
Chemical Name:
Cinacalcet IMpurity 10
CAS:
1809324-40-0
MF:
C29H28F3NO2S
Chemical Name:
Dasatinib IMpurity 5
Structure:
Chemical Name:
Diacerein IMpurity F
CAS:
13928-72-8
MF:
C35H36O16
Structure:
Chemical Name:
D-Valganciclovir Hydrochloride
CAS:
1393911-57-3
MF:
C14H23ClN6O5
Chemical Name:
Entecavir IMpurity E
Structure:
Chemical Name:
EzetiMibe IMpurity 1
CAS:
190595-66-5
MF:
C24H22FNO3
Structure:
Chemical Name:
Flurbiprofen IMpurity B
CAS:
1797883-74-9
MF:
C18H17FO4
Chemical Name:
IMatinib DiPiperidine IMpurity
Chemical Name:
levocetirizine IMpurity
Chemical Name:
OseltaMivir IMpurity F
Chemical Name:
RocuroniuM BroMide IMpurity 19
Structure:
Chemical Name:
S-(+)-O-DesMethyl-Venlafaxine-d6
CAS:
1062609-99-7
MF:
C16H25NO2
Structure:
Chemical Name:
SalMeterol IMpurity F
MF:
C25H37NO4
Structure:
Chemical Name:
Sitagliptin Defuoro IMpurity 4
CAS:
486459-98-7
MF:
C15H19F2NO4
Chemical Name:
Sulpiride IMpurity F
Structure:
Chemical Name:
trans-Ibuprofen IMpurity G
CAS:
1391054-15-1
MF:
C26H32O4
Structure:
Chemical Name:
EthanediaMide iMpurity F
CAS:
480452-37-7
MF:
C16H22ClN5O3
Chemical Name:
Paroxetine IMpurity
Structure:
Chemical Name:
7-[(2-aMinoethyl)aMino] -1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
MF:
C14H16FN3O3
Structure:
Chemical Name:
(S)-(1R,3s,5S)-8-Methyl-8-azabicyclo[3.2.1]oct-6-en-3-yl 3-hydroxy-2-phenylpropanoate
CAS:
61616-97-5
MF:
C17H21NO3