*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XZ5483245 CHEMICAL NAME : 3H-1,2,4-Triazol-3-one, 1,2-dihydro-2-methyl-5-phenyl- CAS REGISTRY NUMBER : 54034-38-7 LAST UPDATED : 199109 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C9-H9-N3-O MOLECULAR WEIGHT : 175.21 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 1,2-Dihydro-2-methyl-5-phenyl-3H-1,2,4-triazol-3-one * 2-Methyl-5-phenyl-2,4-dihydro-3H-1,2,4-triazol-3-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 : 400 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 33,2772,1990 *** END OF RECORD ***