*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XZ5493400 CHEMICAL NAME : 1,2,4-Triazolo(4,3-b)pyridazine, 3-methyl-6-(4-morpholinyl)- CAS REGISTRY NUMBER : 56383-11-0 LAST UPDATED : 199806 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C10-H13-N5-O COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 3-Methyl-6-morpholino-s-triazolo(4,3-b)pyridazine * 3-Methyl-6-(4-morpholinyl)-1,2,4-triazolo(4,3-b)pyridazine *** 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 : >560 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: #4136182 *** END OF RECORD ***