*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : CM4317766 CHEMICAL NAME : Azetidine, 3-methoxy-1-((7-oxo-8-phenyl-7H-pyrido(1,2-b)thieno(2 ,3-d)pyridazin-10-yl) carbonyl)- CAS REGISTRY NUMBER : 110924-90-8 LAST UPDATED : 199712 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C21-H17-N3-O3-S MOLECULAR WEIGHT : 391.47 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 3-Methoxy-1-((7-oxo-8-phenyl-7H-pyrido(1,2-b)thieno(2,3-d)pyridazin-10-y l)carbonyl)azetidine *** 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 : 5 gm/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: #4855297 *** END OF RECORD ***