*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XZ5483518 CHEMICAL NAME : 1,2,4-Triazolo(3,4-a)phthalazin-3(2H)-one, 2-phenyl- CAS REGISTRY NUMBER : 124556-72-5 LAST UPDATED : 199709 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C15-H10-N4-O MOLECULAR WEIGHT : 262.29 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 2-Phenyl-1,2,4-triazolo(3,4-a)phthalazin-3(2H)-one *** 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 : 600 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FRMCE8 Farmaco. (Societa Chimica Italiana, Corso Strada Nova, 86, Casella Postale 227, 27100 Pavia, Italy) V.44- 1989- Volume(issue)/page/year: 44,17,1989 *** END OF RECORD ***