Category
Nitroso Amines
CAS Number
2755871-02-2
Molecular Formula
C13H12N4O
Molecular Weight
240.27
Synonym

8-Nitroso-7,8,9,10-tetrahydro-6H-6,10-methanoazepino[4,5-g]quinoxaline; N-Nitroso-Varenicline; 14-nitroso-5,8,14-triazatetracyclo[10.3.1.02,11.04,9]hexadeca-2,4,6,8,10-pentaene


 

Keywords
Intermediates
Impurities
Metabolites.
Pharmaceutical Standards
Fine Chemicals
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N-Nitroso Varenicline is a nitrosamine impurity found in some batches of varenicline (Chantix), a smoking cessation drug. Since nitrosamines can be potentially cancer-causing, its discovery led to recalls and stricter quality controls to ensure drug safety.