*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YS2580188 CHEMICAL NAME : Urea, N-(2-(bis(2-chloroethyl)amino)-6-methyltetrahydro-2H- 1,3,2-oxazaphosphorin -4-yl)-N- hydroxy-, P-oxide CAS REGISTRY NUMBER : 97139-13-4 LAST UPDATED : 199606 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C9-H19-Cl2-N4-O4-P MOLECULAR WEIGHT : 349.19 COMPOUND DESCRIPTOR : Drug *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >1 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4618692 *** END OF RECORD ***