*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YS3825200 CHEMICAL NAME : Urea, N'-(2-(4-butyl-2,3-dioxo-1-piperazinyl)ethyl)-N-(2-ch loroethyl)-N-nitroso- CAS REGISTRY NUMBER : 69000-94-8 BEILSTEIN REFERENCE NO. : 0852479 REFERENCE : 5-24-05-00290 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C13-H22-Cl-N5-O4 MOLECULAR WEIGHT : 347.85 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * N'-(2-(4-Butyl-2,3-dioxo-1-piperazinyl)ethyl)-N-(2-chloroethyl)-N-nitros ourea *** 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 : 198 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 99,738,1979 *** END OF RECORD ***