Pharmaceutical analytical standards

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

Results 55,611-55,620 of 59,523

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Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-N077-004
CAS: 2011-70-3
Formula: C₁₅H₁₁BrN₂O₄
Family: Nitrazepam
Synonyms: N-(2-benzoyl-4-nitrophenyl)-2-bromoacetamide, Acetamide, N-(2-benzoyl-4-nitrophenyl)-2-bromo-

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-N077-005
CAS: 33311-76-1
Formula: C₂₃H₁₅N₃O₆
Family: Nitrazepam
Synonyms: N-(2-benzoyl-4-nitrophenyl)-2-(1,3-dioxoisoindol-2-yl)acetamide, N-(2-Benzoyl-4-nitrophenyl)-1,3-dihydro-1,3-dioxo-2H-isoindole-2-acetamide

ImpurityLevels of characterisation

Cat. No.: P-N077-007
CAS: 20821-91-4
Formula: C₁₅H₁₁ClN₂O₄
Family: Nitrazepam
Synonyms: N-(2-Benzoyl-4-nitrophenyl)-2-chloroacetamide, Acetamide, N-(2-benzoyl-4-nitrophenyl)-2-chloro-

ImpurityLevels of characterisation

ImpurityLevels of characterisation

ImpurityLevels of characterisation

NitrosamineLevels of characterisation

Cat. No.: P-C130-006
CAS: 16339-07-4
Formula: C₅H₁₁N₃O
Family: Chlorcyclizine
Synonyms: N-Nitroso Cyclizine EP Impurity A, N-Nitroso Cyclizine USP Related Compound A, 1-Methyl-4-nitrosopiperazine

Isotopically labelledLevels of characterisation

Cat. No.: P-C130-005
CAS: 756524-88-6
Formula: C₅H₇D₄N₃O
Family: Chlorcyclizine
Synonyms: N-Nitroso Cyclizine EP Impurity A-d4, N-Nitroso Cyclizine USP Related Compound A-d4, 1-Methyl-4-Nitroso-Piperazine-d4

NitrosamineLevels of characterisation

NitrosamineLevels of characterisation

Cat. No.: P-F074-003
CAS: 23595-00-8
Formula: C₁₄H₉F₃N₂O₃
Family: Flufenamic Acid
Synonyms: 1-(M-trifluoromethylphenyl)-N-nitrosoanthranilic acid, 2-[N-nitroso-3-(trifluoromethyl)anilino]benzoic acid

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