CAS Chem.name Chem.SMILES #Observed Mutagenicity without S9 #Observed Mutagenicity with S9 Bioassay - Reference(s) - 366-70-1 p-Toluamide,_N-isopropyl-alpha-(2-methylhydrazino)-,_monohydrochloride; Procarbazine hydrochloride CC(C)NC(=O)c1ccc(CNNC)cc1_Cl in vitro Ames negative in vitro Ames negative Bacterial Reverse Mutation Assay (e.g. Ames Test) U.S.Environmental Protection Agency Gene-Tox Program. Mutation Research, 168, (1996) pp. 69-240 25843-45-2 Azoxymethane CN=[N+](C)[O-] in vitro Ames negative in vitro Ames positive Bacterial Reverse Mutation Assay (e.g. Ames Test) National Toxicology program. P&G Inventory 592-62-1 Methylazoxymethanol acetate CC(=O)OCN=[N+](C)[O-] in vitro Ames positive in vitro Ames positive Bacterial Reverse Mutation Assay (e.g. Ames Test) Mccann,J, Choi,E, Yamasaki,E AND AMES,BN; DETECTION OF CARCINOGENS AS MUTAGENS IN THE SALMONELLA/MICROSOME TEST: ASSAY OF 300 CHEMICALS; PROC. NATL. ACAD. SCI. USA 72(12):5135-5139, 1975