*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UQ9150000 CHEMICAL NAME : 2-Pyrazolin-5-one, 4-dimethylaminomethylene-1,3-diphenyl- CAS REGISTRY NUMBER : 5376-09-0 BEILSTEIN REFERENCE NO. : 0754886 REFERENCE : 5-25-15-00178 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C18-H17-N3-O MOLECULAR WEIGHT : 291.38 WISWESSER LINE NOTATION : T5NNVYJ BR& DU1N1&1 ER COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 4-Dimethylaminomethylene-1,3-diphenyl-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 : 890 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 : 711 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 ***