*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YS3715000 CHEMICAL NAME : Urea, N-butyl-N(sup 1)-(6-chloro-5-(2-fluorophenyl)-2,3-dihydro-1-methyl- 2-oxo-1H-1,4- benzodiazepin-7-yl)- CAS REGISTRY NUMBER : 74858-76-7 LAST UPDATED : 199606 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C21-H22-Cl-F-N4-O2 MOLECULAR WEIGHT : 416.92 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 : >5 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: #4294758 *** END OF RECORD ***