*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TL1479800 CHEMICAL NAME : 1-Piperazinecarboxylic acid, 4-(1-phenyl-4H-(1,2,4)triazolo(4,3-a)(1,5)benzodiazep in-5-yl)-, ethyl ester CAS REGISTRY NUMBER : 137731-23-8 BEILSTEIN REFERENCE NO. : 4828939 LAST UPDATED : 199709 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C23-H24-N6-O2 MOLECULAR WEIGHT : 416.53 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 : 620 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 26,489,1991 *** END OF RECORD ***