Pharmaceutical analytical standards

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

Results 15,181-15,190 of 59,523

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Isotopically labelledLevels of characterisation

ImpurityLevels of characterisation

Cat. No.: P-I133-014
Formula: C₁₆H₂₁N₃O₃
Synonyms: 2-(4-tert-Butyl-4-methyl-5-oxo-1H-imidazol-2-yl)-5-ethylpyridine-3-carboxylic acid

ImpurityLevels of characterisation

Cat. No.: P-I133-015
Formula: C₁₄H₁₇N₃O₃
Synonyms: 5-Ethyl-2-(4-ethyl-4-methyl-5-oxo-1H-imidazol-2-yl)pyridine-3-carboxylic acid

ImpurityLevels of characterisation

Cat. No.: P-I133-016
Formula: C₁₅H₁₉N₃O₃
Synonyms: 5-Ethyl-2-(4-methyl-5-oxo-4-propyl-1H-imidazol-2-yl)pyridine-3-carboxylic acid

ImpurityLevels of characterisation

Cat. No.: P-I133-017
Formula: C₁₃H₁₅N₃O₃
Synonyms: 2-(4,4-Dimethyl-5-oxo-1H-imidazol-2-yl)-5-ethylpyridine-3-carboxylic acid

ImpurityLevels of characterisation

Cat. No.: P-I133-018
Formula: C₁₆H₂₁N₃O₃
Synonyms: 5-Ethyl-2-(4-ethyl-5-oxo-4-propan-2-yl-1H-imidazol-2-yl)pyridine-3-carboxylic acid

ImpurityLevels of characterisation

Cat. No.: P-I133-007
Formula: C₁₆H₂₁N₃O₃
Synonyms: 5-Ethyl-2-[4-methyl-4-(2-methylpropyl)-5-oxo-1H-imidazol-2-yl]pyridine-3-carboxylic acid

ImpurityLevels of characterisation

Cat. No.: P-I133-008
Formula: C₁₅H₁₉N₃O₃
Synonyms: 2-(3-Ethyl-5,7-dioxopyrrolo[3,4-b]pyridin-6-yl)-2,3-dimethylbutanamide

ImpurityLevels of characterisation

Cat. No.: P-I133-009
Formula: C₁₄H₁₅N₃O₅
Synonyms: 2-(4-Methyl-5-oxo-4-propan-2-yl-1H-imidazol-2-yl)pyridine-3,5-dicarboxylic acid

ImpurityLevels of characterisation

Cat. No.: P-I133-010
Formula: C₁₅H₁₉N₃O₄
Synonyms: 5-(1-Hydroxyethyl)-2-(4-methyl-5-oxo-4-propan-2-yl-1H-imidazol-2-yl)pyridine-3-carboxylic acid

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