*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR0452036 CHEMICAL NAME : 3H-Pyrazol-3-one, 1,2-dihydro-5-ethyl-2-(3-(4-(4-fluorophenyl)-1-pipera zinyl)propyl)-1-pheny l- CAS REGISTRY NUMBER : 104416-62-8 LAST UPDATED : 199803 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C24-H29-F-N4-O MOLECULAR WEIGHT : 408.57 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 1,2-Dihydro-5-ethyl-2-(3-(4-(4-fluorophenyl)-1-piperazinyl)propyl)-1-phe nyl-3H-pyrazol-3-one * 5-Ethyl-1-phenyl-2-(3-(4-(4-fluorophenyl)piperazin-1-yl)propyl)pyrazolin -3-one *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 117 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4672063 *** END OF RECORD ***