Category
Nitroso Amines
CAS Number
NA
Molecular Formula
C15H23N7O5
Molecular Weight
381.40 g/mol
Synonym

2-((2-Amino-6-oxo-3,6-dihydro-9H-purin-9-yl)methoxy)ethyl N-ethyl-N-nitroso-L-valinate; N-Nitroso Valaciclovir EP Impurity D;N-Nitroso Valaciclovir USP Related Compound D; (S)-2-((2-amino-6-oxo-3H-purin-9(6H)-yl)methoxy)ethyl 2-(ethyl(nitroso)amino)-3-methylbutanoate

Keywords
Nitrosamine
Pharmaceutical Standards
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N-Nitroso N-Ethyl Valacyclovir is a nitrosamine impurity that can form in valacyclovir drug products. It has no therapeutic use and is monitored for safety and regulatory compliance because of its potential carcinogenic risk.