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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 50,781-50,790 of 59,523

Doxofylline Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-D183-006
CAS
1021-65-4
Formula
C11H16N4O2
Family
Doxofylline
Synonyms
7-Butyl-3,7-dihydro-1,3-dimethyl-1H-purine-2,6-dione, 7-butyl-1,3-dimethylpurine-2,6-dione

Doxofylline Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-D183-007
CAS
1174289-18-9
Formula
C11H14N4O4
Family
Doxofylline
Synonyms
9-((1,3-Dioxolan-2-yl)methyl)-1,3-dimethyl-1H-purine-2,6(3H,9H)-dione, 9-(1,3-dioxolan-2-ylmethyl)-1,3-dimethylpurine-2,6-dione

Doxofylline Impurity 5

ImpurityLevels of characterisation
Cat. No.
P-D183-008
CAS
254760-82-2
Formula
C11H16N4O4
Family
Doxofylline
Synonyms
9-(2,2-Dimethoxyethyl)-1,3-dimethylpurine-2,6-dione

Doxofylline Impurity 6

ImpurityLevels of characterisation
Cat. No.
P-D183-009
CAS
1429636-74-7
Formula
C10H16N4O3
Family
Doxofylline
Synonyms
3-(1,3-Dioxolan-2-ylmethyl)-N-methyl-5-(methylamino)imidazole-4-carboxamide

Doxofylline-d4

Isotopically labelledLevels of characterisation
Cat. No.
P-D183-002
CAS
1346599-13-0
Formula
C11H10D4N4O4
Family
Doxofylline

Dyclonine Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-D199-003
CAS
14146-86-2
Formula
C24H28O4
Family
Dyclonine
Synonyms
1,4-bis(4-butoxyphenyl)but-2-ene-1,4-dione

Dyclonine Impurity 2 Hydrochloride

ImpurityLevels of characterisation
Cat. No.
P-D199-013
CAS
1228604-24-7
Formula
C19H27NO2·HCl
Family
Dyclonine
Synonyms
1-(4-Butoxyphenyl)-2-(piperidin-1-ylmethyl)prop-2-en-1-one hydrochloride

Emedastine EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-E032-003
CAS
101953-61-1
Formula
C11H14N2O2
Family
Emedastine
Synonyms
1-(2-Ethoxyethyl)-1H-benzo[d]imidazol-2(3H)-one, 3-(2-ethoxyethyl)-1H-benzimidazol-2-one

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