*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XZ5483140 CHEMICAL NAME : 3H-1,2,4-Triazol-3-one, 2,4-dihydro-2-ethyl-4-methyl-5-(2-thienyl)- CAS REGISTRY NUMBER : 129521-53-5 BEILSTEIN REFERENCE NO. : 4185638 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C9-H11-N3-O-S MOLECULAR WEIGHT : 209.29 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 2,4-Dihydro-2-ethyl-4-methyl-5-(2-thienyl)-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 ***