*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : PB0475500 CHEMICAL NAME : Methanesulfonamide, N-(1,4-diphenyl-2-methyl-5-oxo-3-pyrazolin-3-yl)-1-ph enyl- LAST UPDATED : 199009 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C23-H18-N3-O3-S MOLECULAR WEIGHT : 416.50 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * N-(1,4-Diphenyl-2-methyl-5-oxo-3-pyrazolin-3-yl)-1-phenylmethanesulfonam ide *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - guinea pig DOSE/DURATION : 500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : HCACAV Helvetica Chimica Acta. (Verlag Helvetica Chimica Acta, Postfach, CH-4002 Basel, Switzerland) V.1- 1918- Volume(issue)/page/year: 47,132,1964 *** END OF RECORD ***