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Pharmaceutical analytical standards

APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

APIs from A to Z →

Results 54,961-54,970 of 59,523

Diethylstilbestrol-d8

Isotopically labelledLevels of characterisation
Cat. No.
P-D107-007
CAS
91318-10-4
Formula
C18H12D8O2
Family
Diethylstilbestrol
Synonyms
trans-Diethyl-1,1,1',1'-stilbestrol-3,3',5,5'-d8, Diethyl-1,1,1',1'-d4-stilbestrol-3,3',5,5'-d4

Difloxacin EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-D112-005
CAS
98106-19-5
Formula
C21H19ClFN3O3
Family
Difloxacin
Synonyms
Difloxacin Impurituy C

Difloxacin EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-D112-006
CAS
265995-90-2
Formula
C21H19ClFN3O3
Family
Difloxacin
Synonyms
Difloxacin Impurituy D

Difloxacin EP Impurity E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-D112-007
CAS
211236-46-3
Formula
C21H19ClFN3O3
Family
Difloxacin
Synonyms
Difloxacin Impurituy E

Difloxacin EP Impurity G

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-D112-002
CAS
98105-79-4
Formula
C16H8ClF2NO3
Family
Difloxacin
Synonyms
7-chloro-6-fluoro-1-(4-fluorophenyl)-4-oxoquinoline-3-carboxylic acid, Difloxacin Impurituy G

Difloxacin-d3 HCl

Isotopically labelledLevels of characterisation
Cat. No.
P-D112-003
CAS
1173021-89-0
Formula
C21H16D3F2N3O3·HCl
Family
Difloxacin
Synonyms
Difloxacin-d3 Hydrochloride, Difloxacin-d3 Hydrochloride Salt

17-alpha-Dihydro Equilenin

ImpurityLevels of characterisation
Cat. No.
P-E076-005
CAS
6639-99-2
Formula
C18H20O2
Family
Equilenin
Synonyms
alpha-Dihydroequilenin, alpha-Dihydroequilenina

17-beta-Dihydro Equilenin

ImpurityLevels of characterisation
Cat. No.
P-E076-008
CAS
1423-97-8
Formula
C18H20O2
Family
Equilenin
Synonyms
17-Dihydroequilenin, beta-Dihydroequilenin

7,8-Dihydroxyflavone

ImpurityLevels of characterisation
Cat. No.
P-I071-002
CAS
38183-03-8
Formula
C15H10O4
Family
Ipriflavone
Synonyms
7,8-dihydroxy-2-phenylchromen-4-one, NSC 750341

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