The chemical SNAP has a designated molecular formula of C7H12N2O4S and a molecular weight of 220.243 g/mol. Synonyms may include: S-Nitroso-N-acetylpenicillamine, N-Acetyl-S-nitrosopenicillamine, S-Nitrosoacetylpenicillamine, S-Nitrosylacetylpenicillamine, S-Nonap, NSC 312630 (ChemID). SNAP has been assigned a MeSH pharmacological action of: Enzyme Inhibitor.