CAS Chem.name Chem.SMILES #CA_without_S9 #Obs_CA_with_S9 Bioassay - Reference(s) - 154-93-8 Carmustine O=C(NCCCl)N(CCCl)N=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 614-95-9 N-Ethyl-N-nitrosourethane CCN(C(=O)OCC)N=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 684-93-5 1-methyl-1-nitrosourea CN(C(N)=O)N=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 759-73-9 n-ethyl-n-nitrosourea CCN(C(N)=O)N=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 760-60-1 Urea,_N-(2-methylpropyl)-N-nitroso- CC(C)CN(C(N)=O)N=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 816-57-9 1-Propyl-nitrosourea CCCN(C(N)=O)N=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 869-01-2 1-Butyl-1-nitrosourea CCCCN(C(N)=O)N=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 5461-85-8 Isobutylnitrosonitroguanidine CC(C)CN(N=O)C(=N)[NH][N+](=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 6558-78-7 N-Butyl-N-nitrosourethane CCCCN(C(=O)OCC)N=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 7090-25-7 Nitrosocarbaryl CN(C(=O)Oc1cccc2ccccc12)N=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 10589-74-9 Urea,_N-nitroso-N-pentyl- CCCCCN(C(N)=O)N=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 13010-07-6 n'-nitro-n-nitroso-n-propylguanidine CCCN(N=O)C(=N)[NH][N+](=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 13010-08-7 3-butyl-1-nitro-3-nitrosoguanidine CCCCN(N=O)C(=N)[NH][N+](=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 13010-10-1 n'-nitro-n-pentyl-n-nitrosoguanidine CCCCCN(N=O)C(=N)[NH][N+](=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 19935-86-5 N-Propyl-N-nitrosorethane CCCN(C(=O)OCC)N=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 28895-91-2 N-Methyl-N'-acetyl-nitrosourea CC(=O)NC(=O)N(C)N=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 56654-52-5 1,3-Dibutyl-3-nitroso_urea CCCCNC(=O)N(CCCC)N=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 58139-33-6 3,4-Dimethylphenyl-N-nitroso-N-methylcarbamate Cc1ccc(OC(=O)N(C)N=O)cc1C 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 58139-35-8 3-Methylphenyl_N-nitroso_N-methylcarbamate Cc1cccc(OC(=O)N(C)N=O)c1 positive positive in Vitro Mammalian Chromosome Aberration Test Ishidate Jr., M., and S. Odashima (1977) Mutation Res.,48, 337-354. 60391-92-6 N-Carboxymethyl-N-nitrosourea NC(=O)N(CC(O)=O)N=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 64005-62-5 N-Amyl-N-nitrosourethane CCCCCN(C(=O)OCC)N=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 49606-40-8 1,1'-Ethylenebis(1-nirosourea) NC(=O)N(CCN(C(N)=O)N=O)N=O positive positive in Vitro Mammalian Chromosome Aberration Test Danish EPA Inventory, Sofuni, T., Ed. (1998). Data Book of Chromosomal Aberration Test In Vitro, Revised Edition. Life-Science Information Center; Tokyo, Japan. 63885-23-4 Guanidine,N'-ethyl-N-nitro-N-nitroso- CCNC(=N)N(N=O)[N+](=O)[O-] positive positive in Vitro Mammalian Chromosome Aberration Test Danish EPA Inventory, Sofuni, T., Ed. (1998). Data Book of Chromosomal Aberration Test In Vitro, Revised Edition. Life-Science Information Center; Tokyo, Japan. 33124-25-3 Ethyl sec-butyl(nitroso)carbamate CCC(C)N(C(=O)OCC)N=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 615-53-2 N-Methyl-N-nitrosourethane CCOC(=O)N(C)N=O positive positive in Vitro Mammalian Chromosome Aberration Test Ishidate M. Jr., S. Odashima S., Mutation Res., 48, 337-354, 1977. 64201-67-8 N-Butanyl-N-nitrosourethan CCCC(=O)N(C(=O)OCC)N=O positive positive in Vitro Mammalian Chromosome Aberration Test Ishidate M. Jr., S. Odashima S., Mutation Res., 48, 337-354, 1977. 24423-85-6 N-isobutyl-n-nitrosourethane CCOC(=O)N(CC(C)C)N=O positive positive in Vitro Mammalian Chromosome Aberration Test Ishidate M. Jr., S. Odashima S., Mutation Res., 48, 337-354, 1977. 38777-13-8 N-Nitrosopropoxur CC(C)Oc1ccccc1OC(=O)N(C)N=O positive positive in Vitro Mammalian Chromosome Aberration Test LIN,C, WEI,LY, AND WANG,T; FOOD AND CHEMICAL TOXICOLOGY 45(6):928-934, 2007 62593-23-1 N-nitrosocarbofuran CC1(C)Cc2cccc(OC(=O)N(C)N=O)c2O1 positive positive in Vitro Mammalian Chromosome Aberration Test Nelson, J., E.A. MacKinnon, H.F. Mower and L. Wong. 1981. Mutagenicity of N-nitroso 100836-60-0 3-Hydroxynitrosocarbofuran CC1(C)C(O)c2cccc(OC(=O)N(C)N=O)c2O1 positive positive in Vitro Mammalian Chromosome Aberration Test Nelson, J., E.A. MacKinnon, H.F. Mower and L. Wong. 1981. Mutagenicity of N-nitroso 78164-60-0 3-Ketonitrosocarbofuran CC1(C)C(=O)c2cccc(OC(=O)N(C)N=O)c2O1 positive positive in Vitro Mammalian Chromosome Aberration Test Nelson, J., E.A. MacKinnon, H.F. Mower and L. Wong. 1981. Mutagenicity of N-nitroso 70-25-7 N-methyL-N'-nitro-N-nitrosoguanidine CN(N=O)C(=N)[NH][N+](=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