*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YT9719000 CHEMICAL NAME : Urea, N-nitroso-N-(2-oxopropyl)- CAS REGISTRY NUMBER : 89837-93-4 BEILSTEIN REFERENCE NO. : 5923496 LAST UPDATED : 199612 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C4-H7-N3-O3 MOLECULAR WEIGHT : 145.14 COMPOUND DESCRIPTOR : Tumorigen Mutagen SYNONYMS/TRADE NAMES : * 1-Acetonyl-1-nitrosourea * N-Nitroso-N-(2-oxopropyl)urea * 1-Nitroso-2-oxopropylurea * N-(2-Oxopropyl)-N-nitrosourea *** HEALTH HAZARD DATA *** ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - hamster DOSE/DURATION : 523 mg/kg/59W-C TOXIC EFFECTS : Tumorigenic - equivocal tumorigenic agent by RTECS criteria Endocrine - tumors REFERENCE : CALEDQ Cancer Letters (Shannon, Ireland). (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1975- Volume(issue)/page/year: 60,121,1991 ** MUTATION DATA ** TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Bacteria - Salmonella typhimurium DOSE/DURATION : 10 ug/plate REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 178,157,1987 TYPE OF TEST : DNA damage TEST SYSTEM : Mammal - species unspecified Lymphocyte DOSE/DURATION : 10 mmol/L REFERENCE : CBINA8 Chemico-Biological Interactions. (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1969- Volume(issue)/page/year: 48,169,1984 *** END OF RECORD ***