CAS: 816-57-9 Molecular Formula: C4 H9 N3 O2 Molecular Weight (g/mol): 131.13 Synonym: Urea, N-nitroso-N-propyl- (9CI, ACI),N-Nitroso-N-propylurea (ACI),Urea, 1-nitroso-1-propyl- (7CI, 8CI),1-n-Propyl-1-nitrosourea,1-Nitroso-1-propylurea,1-Propyl-1-nitrosourea,N-(n-Propyl)-N-nitrosourea,N-Propyl-N-nitrosourea,NPU,NSC 46792 IUPAC Name: 1-nitroso-1-propylurea SMILES: CCCN(N=O)C(=O)N