*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YS4955000 CHEMICAL NAME : Urea, 1-(2-chloroethyl)-3-(4-ethylcyclohexyl)-1-nitroso-, (E)- CAS REGISTRY NUMBER : 51795-04-1 BEILSTEIN REFERENCE NO. : 2134231 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C11-H20-Cl-N3-O2 MOLECULAR WEIGHT : 261.79 WISWESSER LINE NOTATION : L6TJ AMVNNO&2G D2 -E SYNONYMS/TRADE NAMES : * (E)-1-(2-Chloroethyl)-3-(4-ethylcyclohexyl)-1-nitrosourea * NSC 129,967 * Urea, N-(2-chloroethyl)-N'-(4-ethylcyclohexyl)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 : 79530 ug/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 ***