*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR6164166 CHEMICAL NAME : 3(2H)-Pyridazinone, 4-(p-chlorophenyl)-6-(p-methoxyphenyl)-2-(2-morpholin oethyl)- CAS REGISTRY NUMBER : 23338-53-6 LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C23-H24-Cl-N3-O3 MOLECULAR WEIGHT : 425.95 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 4-(p-Chlorophenyl)-6-(p-methoxyphenyl)-2-(2-morpholinoethyl)-3(2H)-pyrid azinone *** 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 : 2400 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: #3622576 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 520 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: #3622576 *** END OF RECORD ***