*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UQ9280000 CHEMICAL NAME : 2-Pyrazolin-5-one, 1,3-diphenyl-4-formyl- CAS REGISTRY NUMBER : 17364-40-8 LAST UPDATED : 199007 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C16-H15-N2-O2 MOLECULAR WEIGHT : 267.33 WISWESSER LINE NOTATION : T5NNV DHJ BR& DVH ER COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 1,3-Diphenyl-4-formyl-2-pyrazolin-5-one *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 789 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CHTPBA Chimica Therapeutica. (Paris, France) V.1-8, 1965-73. For publisher information, see EJMCA5. Volume(issue)/page/year: 3,17,1968 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 222 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CHTPBA Chimica Therapeutica. (Paris, France) V.1-8, 1965-73. For publisher information, see EJMCA5. Volume(issue)/page/year: 3,17,1968 *** END OF RECORD ***