*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR0444000 CHEMICAL NAME : 3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-2-phenyl-4-((5-(phenylmethyl )-1H-1,2,4-triazol- 3-yl)thio)-, monohydrobromide CAS REGISTRY NUMBER : 87236-34-8 LAST UPDATED : 199306 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C20-H19-N5-O-S.Br-H MOLECULAR WEIGHT : 458.42 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Antipyrine, 4-((5-benzyl-4H-1,2,4-triazol-3-yl)thio)-, hydrobromide * 4-((5-Benzyl-4H-1,2,4-triazol-3-yl)thio)antipyrine hydrobromide *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 224 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : RPTOAN Russian Pharmacology and Toxicology (English Translation). Translation of FATOAO. (Euromed Pub., 33, Woodlands Rd., Surbiton, Surrey, UK) V.30- 1967- Volume(issue)/page/year: 46,177,1983 *** END OF RECORD ***