*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YS5013450 CHEMICAL NAME : Urea, 3-(2-chloroethyl)-1-methyl-1-nitroso- CAS REGISTRY NUMBER : 29655-34-3 BEILSTEIN REFERENCE NO. : 2356474 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C4-H8-Cl-N3-O2 MOLECULAR WEIGHT : 165.60 SYNONYMS/TRADE NAMES : * N'-(2-Chloroethyl)-N-methyl-N-nitrosourea * 3-(2-Chloroethyl)-1-methyl-1-nitrosourea * 1-Methyl-3-(2-chloroethyl)-1-nitrosourea * NSC 409935 * Urea, N'-(2-chloroethyl)-N-methyl-N-nitroso- *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 315 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NCISP* National Cancer Institute Screening Program Data Summary, Developmental Therapeutics Program. (Bethesda, MD 20205) Volume(issue)/page/year: JAN1986 *** END OF RECORD ***