*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR1451100 CHEMICAL NAME : 4H-Pyrazolo(3,4-d)(1,2,4)triazolo(1,5-a)pyrimidin-4-o ne, 1,8-dihydro-8-(4-chlorophenyl)- CAS REGISTRY NUMBER : 141300-31-4 BEILSTEIN REFERENCE NO. : 4880077 LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C12-H7-Cl-N6-O MOLECULAR WEIGHT : 286.70 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 1,8-Dihydro-8-(4-chlorophenyl)-4H-pyrazolo(3,4-d)(1,2,4)triazolo(1,5-a)p yrimidin-4-one *** 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 : 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: 27,73,1992 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 800 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: 27,73,1992 *** END OF RECORD ***