*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YS4997480 CHEMICAL NAME : Urea, 1-(2-chloroethyl)-3-(3-methylcyclohexyl)-1-nitroso- CAS REGISTRY NUMBER : 13991-72-5 BEILSTEIN REFERENCE NO. : 2855995 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C10-H18-Cl-N3-O2 MOLECULAR WEIGHT : 247.76 SYNONYMS/TRADE NAMES : * N-(2-Chloroethyl)-N'-(3-methylcyclohexyl)-N-nitrosourea * 1-(2-Chloroethyl)-3-(3-methylcyclohexyl)-1-nitrosourea * NSC 93170 * Urea, N-(2-chloroethyl)-N'-(3-methylcyclohexyl)-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 : 107 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 ***