*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UQ9284900 CHEMICAL NAME : 3-Pyrazolin-5-one, 1,2-diphenyl-3-methoxy- CAS REGISTRY NUMBER : 37585-38-9 BEILSTEIN REFERENCE NO. : 0233372 REFERENCE : 5-25-01-00017 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C16-H14-N2-O2 MOLECULAR WEIGHT : 266.32 WISWESSER LINE NOTATION : T5NNVJ AR& BR& EO1 SYNONYMS/TRADE NAMES : * 1,2-Dihydro-5-methoxy-1,2-diphenyl-3H-pyrazol-3-one * 1,2-Diphenyl-3-methoxy-3-pyrazolin-5-one * 3-Methoxy-1,2-diphenyl-5-pyrazolone * 3H-Pyrazol-3-one, 1,2-dihydro-5-methoxy-1,2-diphenyl- *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1252 mg/kg TOXIC EFFECTS : Behavioral - analgesia Nutritional and Gross Metabolic - body temperature decrease Biochemical - Metabolism (Intermediary) - effect on inflammation or mediation of inflammation REFERENCE : JDGRAX Journal of Drug Research. (National Organization for Drug Research and Control, POB 29, Cairo, Egypt) V.2- 1969- Volume(issue)/page/year: 7(2),59,1975 *** END OF RECORD ***