CAS: 10478-42-9 Molecular Formula: C4 H8 N2 O3 Molecular Weight (g/mol): 132.12 Synonym: Propanoic acid, 3-(methylnitrosoamino)- (ACI),3-(Methylnitrosoamino)propanoic acid (ACI),β-Alanine, N-methyl-N-nitroso- (7CI, 8CI, 9CI),3-(N-Nitroso-N-methylamino)propionic acid,NMPA,N-Nitroso-N-methyl-3-aminopropionic acid,N-Methyl-N-nitroso-β-alanine,3-(N-Nitroso-N-methylamino)propanoic acid IUPAC Name: 3-[methyl(nitroso)amino]propanoic acid SMILES: CN(CCC(=O)O)N=O