*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XZ5675000 CHEMICAL NAME : 1,2,3-Triazolo(4',5':5,6)pyrido(2,1-b)quinazolin-11(1 H)-one CAS REGISTRY NUMBER : 92781-18-5 LAST UPDATED : 199209 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C12-H7-N5-O MOLECULAR WEIGHT : 237.24 COMPOUND DESCRIPTOR : Drug *** 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 : >300 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GWXXBX German Offenlegungsschrift Patent Document. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #3902639 *** END OF RECORD ***