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
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
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
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
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
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.
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
13909-09-6	Semustine	CC1CCC(NC(=O)N(CCCl)N=O)CC1	positive	positive	in Vitro Mammalian Chromosome Aberration Test 	Shah VC, Vyas RC, Adhvaryu SG; Cytogenetic effects of Me-CCNU on sister chromatid exchange frequency, cellular kinetics and chromosome aberrations. Neoplasma [1986, 33(1):33-37]