CAS	Chem.name	Chem.SMILES	#Observed Mutagenicity	Bioassay - 	Reference(s) -
55-18-5	N-Nitrosodiethylamine	CCN(CC)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	U.S. Environmental Protection Agency; Mutation Research, 168 (1986) 69-240; P&G Inventory
59-89-2	N-nitrosomorpholine	O=NN1CCOCC1	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	Zeiger, E., Anderson, B., Haworth, S., Lawlor, T. And Mortelmans, K.; Salmonella Mutagenicity Tests. V. Results From The Testing of 311 Chemicals; Environ. Mol. Mutagen. 19(SUPPL.21):2-141, 1992
62-75-9	N-nitrosodimethylamine	CN(C)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	U.S. Environmental Protection Agency; Mutation Research, 168 (1986) 69-240; P&G Inventory
100-75-4	N-Nitrosopiperidine	O=NN1CCCCC1	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	U.S. Environmental Protection Agency; Mutation Research, 168 (1986) 69-240; P&G Inventory
7247-89-4	Piperidine, 2-methyl-N-nitroso-	CC1CCCCN1N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	U.S. Environmental Protection Agency; Mutation Research, 168 (1986) 69-240
55557-00-1	1h-1,4-diazepine, hexahydro-1,4-dinitroso-	O=NN1CCCN(CC1)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	U.S. Environmental Protection Agency; Mutation Research, 168 (1986) 69-240
140-79-4	dinitrosopiperazine	O=NN1CCN(CC1)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	U.S. Environmental Protection Agency; Mutation Research, 168 (1986) 69-240
5336-53-8	n-nitrosodibenzylamine	O=NN(Cc1ccccc1)Cc1ccccc1	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	CCRIS database,Toxnet databases; U.S. Environmental Protection Agency; Mutation Research, 168 (1986) 69-240
924-16-3	n,n-dibutylnitrosamine;nitrosodibutylamine	CCCCN(CCCC)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	CCRIS database,Toxnet databases: Rumruen, K. And Pool, Bl.; Metabolic Activation Capabilities Of S9 And Hepatocytes From Uninduced Rats To Convert Carcinogenic N-Nitrosamines To Mutagens; Mutat. Res. 140(2-3):147-153, 1984
89911-79-5	n-nitroso-2,3-dihydroxypropyl-2-hydroxypropylamine	CC(O)CN(CC(O)CO)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	MORI,Y, YAMAZAKI,H, TOYOSHI,K, DENDA,A AND KONISHI,Y; MUTAGENIC ACTIVATION OF CARCINOGENIC N-NITROSOPROPYLAMINES BY LIVER S9 FRACTIONS FROM MICE, RATS AND HAMSTERS. EVIDENCE FOR A CYTOCHROME P-450-DEPENDENT REACTION; CARCINOGENESIS 7(3):375-379, 1986
621-64-7	N,N-dipropylnitrosamine	CCCN(CCC)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	Dahl ,Ar.; Mutagenicity Of Some Dialkylnitrosamines, Cyclic Nitrosamines And N,N-Diethanolnitrosamine In Salmonella Typhimurium With Rat And Rabbit Nasal, Lung And Liver S9 Homogenates; Mutat. Res. 158(3):141-147, 1985
937-40-6	n-methyl-n-benzylnitrosamine	CN(Cc1ccccc1)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	SINGER,GM, ANDREWS,AW AND GUO,SM; QUANTITATIVE STRUCTURE-ACTIVITY RELATIONSHIP OF THE MUTAGENICITY OF SUBSTITUTED N-NITROSO-N-BENZYLMETHYLAMINES: POSSIBLE IMPLICATIONS FOR CARCINOGENICITY; J. MED. CHEM. 29(1):40-44, 1986
16543-55-8	(S)-N'-Nitrosonornicotine	O=NN1CCCC1c1cccnc1	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	Padma, P.R., Amonkar, A.J., Bhide, S.V., Mutagenic and Cytogenetic Studies of N'-Nitrosonornicotine and 4-(Methylnitrosamino)-1-(3-Pyridyl)-1-Butanone. Cancer Lett., 1989, 46(3), 173 - 180
5632-47-3	N-nitrosopiperazine	O=NN1CCNCC1	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	Zeiger E, Legator MS, Lijinsky W. Mutagenicity of N-nitrosopiperazines for Salmonella typhimurium in the host-mediated assay. Cancer Res. 1972 Jul;32(7):1598-9.
930-55-2	N-nitrosopyrrolidine	O=NN1CCCC1	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	CCRIS database,Toxnet databases: Guttenplan, J. B., N-Nitrosamines: Bacterial Mutagenesis and In Vitro Metabolism, Mutat. Res. 186 (1987), 81 – 134
64091-91-4	4-(n-methyl-n-nitrosamino)-1-(3-pyridyl)-1-butanone	CN(CCCC(=O)c1cccnc1)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	CCRIS database,Toxnet databases: Zhu, S., Cunningham, Ml., Gray, Te. And Nettesheim, P.; Cytotoxicity, Genotoxicity And Transforming Activity Of 4-(Methylnitrosamino)-1-(3-Pyridyl)-1-Butanone (Nnk) In Rat Tracheal Epithelial Cells; Mutat. Res. 261(4):249-259, 1991
1116-54-7	N-Nitrosodiethanolamine	OCCN(CCO)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	National Toxicology program. P&G Inventory
101-25-7	N,N-dinitrosopentamethylenetetramine	O=NN1CN2CN(C1)CN(C2)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	P&G Inventory; Kazius J, McGuire R., Bursi R. Journal of Medicinal Chemistry 48 (1), pp. 312-32, 25
122341-55-3	Diazo-N-nitrosoetilefrin	CCN(CC(O)C1C=CC(=[N+]=[N-])C(=O)C=1)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	Kikugawa, K., Kato, T. and Takeda, Y.; Formation of a Highly Mutagenic Diazo Compound from the Bamethan-Nitrite Reaction; Mutat. Res. 177(1):35-43, 1987
116539-70-9	2,4-Cyclohexadien-1-one, 4-(2-(butylnitrosamino)-1-hydroxyethyl)-6-	CCCCN(C[C@H](O)C1C=CC(=O)C(C=1)=[N+]=[N-])N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	Kikugawa, K., Kato, T. and Takeda, Y.; Formation of a Highly Mutagenic Diazo Compound from the Bamethan-Nitrite Reaction; Mutat. Res. 177(1):35-43, 1987
56222-35-6	3-hydroxy-1-nitrosopyrrolidine	OC1CCN(C1)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	U.S. Environmental Protection Agency; Mutation Research, 168 (1986) 69-240
55556-92-8	N-Nitroso-1,2,3,6-tetrahydropyridine	O=NN1CCC=CC1	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	A report of the U.S. Environmental Protection Agency Gene-Tox Program, Mutat. Res. 168:69-240, 1986
7068-83-9	N-Methyl-N-nitroso-1-butanamine	CCCCN(C)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	U.S. Environmental Protection Agency, Mutation Research, 168 (1986) 69-240
61499-28-3	N-Nitroso(2-hydroxypropyl)(2-oxopropyl)amine	CC(O)CN(CC(C)=O)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	PubChem database, https://pubchem.ncbi.nlm.nih.gov
60599-38-4	Nitrosobis(2-oxopropyl)amine	CC(=O)CN(CC(C)=O)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	PubChem database, https://pubchem.ncbi.nlm.nih.gov
614-00-6	N-Methyl-N-nitrosoaniline	CN(c1ccccc1)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	PubChem database, https://pubchem.ncbi.nlm.nih.gov/bioassay/1259407#sid=363898350&section=Test-Results
11/6/3817	n-butyl-n-(4-hydroxybutyl)nitrosamine;4-(butylnitrosoamino)-1-butanol	CCCCN(CCCCO)N=O	in vitro Ames positive	Bacterial Reverse Mutation Assay (e.g. Ames Test)	CCRIS database,Toxnet databases: Rumruen, K. And Pool, Bl.; Metabolic Activation Capabilities Of S9 And Hepatocytes From Uninduced Rats To Convert Carcinogenic N-Nitrosamines To Mutagens; Mutat. Res. 140(2-3):147-153, 1984