*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR7475050 CHEMICAL NAME : 3(2H)-Pyridazinone, 6-(4-morpholinyl)-, cyclopentylidenehydrazone CAS REGISTRY NUMBER : 90931-84-3 BEILSTEIN REFERENCE NO. : 5587849 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C13-H19-N5-O MOLECULAR WEIGHT : 261.37 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 6-(4-Morpholinyl)-3(2H)-pyridazinone cyclopentylidenehydrazone *** 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 : >200 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 19,111,1984 *** END OF RECORD ***