*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UQ9300000 CHEMICAL NAME : 2-Pyrazolin-5-one, 4-formyl-3-methyl-1-phenyl- CAS REGISTRY NUMBER : 17364-41-9 LAST UPDATED : 199007 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C10-H9-N2-O2 MOLECULAR WEIGHT : 189.21 WISWESSER LINE NOTATION : T5NNV DHJ BR& DVH E1 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 4-Formyl-3-methyl-1-phenyl-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 : 716 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 : 453 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 ***