CAS Chem.name Chem.SMILES #CA_without_S9 #Obs_CA_with_S9 Bioassay - Reference(s) - 55-98-1 Myleran CS(=O)(=O)OCCCCOS(C)(=O)=O positive positive in Vitro Mammalian Chromosome Aberration Test Sofuni, T., Ed. (1998). Data Book of Chromosomal Aberration Test in vitro, Revised Edition. Life-Science Information Center, Tokyo, Japan 62-50-0 Ethyl Methanesulfonate CCOS(C)(=O)=O positive positive in Vitro Mammalian Chromosome Aberration Test Sofuni, T., Ed. (1998). Data Book of Chromosomal Aberration Test in vitro, Revised Edition. Life-Science Information Center, Tokyo, Japan 66-27-3 Methyl Methanesulfonate COS(C)(=O)=O positive positive in Vitro Mammalian Chromosome Aberration Test Sofuni, T., Ed. (1998). Data Book of Chromosomal Aberration Test in vitro, Revised Edition. Life-Science Information Center, Tokyo, Japan 64-67-5 Diethyl sulfate CCOS(=O)(=O)OCC positive positive in Vitro Mammalian Chromosome Aberration Test JAPAN CHEMICAL INDUSTRY ECOLOGY- TOXICOLOGY AND INFORMATION CENTER, JAPAN; MUTAGENICITY TEST DATA OF EXISTING CHEMICAL SUBSTANCES BASED ON THE TOXICITY INVESTIGATION OF THE INDUSTRIAL SAFETY AND HEALTH LAW; 1996 77-78-1 Dimethyl sulfate COS(=O)(=O)OC positive positive in Vitro Mammalian Chromosome Aberration Test JAPAN CHEMICAL INDUSTRY ECOLOGY- TOXICOLOGY AND INFORMATION CENTER, JAPAN; MUTAGENICITY TEST DATA OF EXISTING CHEMICAL SUBSTANCES BASED ON THE TOXICITY INVESTIGATION OF THE INDUSTRIAL SAFETY AND HEALTH LAW; 1996