*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR6135966 CHEMICAL NAME : 3(2H)-Pyridazinone, 4,6-bis(p-chlorophenyl)-2-(2-morpholinoethyl)- CAS REGISTRY NUMBER : 23338-52-5 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C22-H21-Cl2-N3-O2 MOLECULAR WEIGHT : 430.36 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 4,6-Bis(p-chlorophenyl)-2-(2-morpholinoethyl)-3(2H)-pyridazinone *** 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 : 4200 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 ***