*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR6114960 CHEMICAL NAME : 3(2H)-Pyridazinone, 4-acetyl-5,6-bis(4-chlorophenyl)-2-(2-hydroxyethyl)- CAS REGISTRY NUMBER : 75319-92-5 BEILSTEIN REFERENCE NO. : 5772263 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C20-H16-Cl2-N2-O3 MOLECULAR WEIGHT : 403.28 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 4-Acetyl-2-(2'-hydroxyethyl)-5,6-bis(4-chlorophenyl)-2H-pyridazin-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 : >300 mg/kg TOXIC EFFECTS : Vascular - BP lowering not characterized in autonomic section REFERENCE : JPMSAE Journal of Pharmaceutical Sciences. (American Pharmaceutical Assoc., 2215 Constitution Ave., NW, Washington, DC 20037) V.50- 1961- Volume(issue)/page/year: 70,419,1981 *** END OF RECORD ***