*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR6152500 CHEMICAL NAME : 3(2H)-Pyridazinone, 4-chloro-2-methyl-5-morpholino- CAS REGISTRY NUMBER : 1080-85-9 BEILSTEIN REFERENCE NO. : 0534014 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C9-H12-Cl-N3-O2 MOLECULAR WEIGHT : 229.69 WISWESSER LINE NOTATION : T6NNVJ B1 DG E- AT6N DOTJ COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 4-Chloro-2-methyl-5-morpholino-3(2H)-pyridazinone * 3(2H)-Pyridazinone, 4-chloro-2-methyl-5-(4-morpholinyl)- *** 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 : 75 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 22,53,1979 *** END OF RECORD ***