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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 3,081-3,090 of 5,812

Repaglinide EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R034-003
CAS
220438-80-2
Formula
C11H12O5
Family
Repaglinide
Synonyms
4-(Carboxymethyl)-2-ethoxybenzoic acid, Benzeneacetic acid, 4-carboxy-3-ethoxy-

Repaglinide EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R034-004
CAS
99469-99-5
Formula
C13H16O5
Family
Repaglinide
Synonyms
3-Ethoxy-4-ethoxycarbonylphenylacetic acid, 2-(3-ethoxy-4-ethoxycarbonylphenyl)acetic acid

Repaglinide EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R034-005
CAS
147769-93-5
Formula
C16H26N2
Family
Repaglinide
Synonyms
Benzenemethanamine, alpha-(2-methylpropyl)-2-(1-piperidinyl)-, (alphas)-, Repaglinide impurity c (ep impurity)

Repaglinide EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R034-007
CAS
147770-06-7
Formula
C29H40N2O4
Family
Repaglinide
Synonyms
Repaglinide ethyl ester, Benzoic acid, 2-ethoxy-4-(2-(((1S)-3-methyl-1-(2-(1-piperidinyl)phenyl)butyl)amino)-2-oxoethyl)-, ethyl ester

Theophylline EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T084-002
CAS
1076-22-8
Formula
C6H6N4O2
Family
Theophylline
Synonyms
Pentoxifylline EP Impurity B, 3-Methylxanthine

Theophylline EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T084-003
CAS
7597-60-6
Formula
C7H10N4O3
Family
Theophylline
Synonyms
Theophylline-Ethylenediamine EP Impurity C, Caffeine EP Impurity B, 6-Amino-5-formamido-1,3-dimethyluracil

Theophylline EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T084-004
CAS
6736-40-9
Formula
C6H10N4O
Family
Theophylline
Synonyms
Diprophylline EP Impurity A, Theophyllidine

Theophylline EP Impurity D Hydrochloride

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-T084-005
CAS
116131-08-9
Formula
C6H10N4O·HCl
Family
Theophylline
Synonyms
Theophylline USP Related Compound D Hydrochloride, Diprophylline EP Impurity A Hydrochloride, Theophyllidine Hydrochloride, Theophyllidine Hydrochloride

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