*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XJ9094222 CHEMICAL NAME : 4H-Thieno(2',3':4,5)pyrimido(2,1-b)benzoxazol-4-one, 2,3-dimethyl- CAS REGISTRY NUMBER : 159852-67-2 LAST UPDATED : 199603 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C14-H10-N2-O2-S MOLECULAR WEIGHT : 270.32 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 2,3-Dimethyl-4H-thieno(2',3':4,5)pyrimido(2,1-b)benzoxazol-4-one *** 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 : >1 gm/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: 29,569,1994 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >800 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: 29,569,1994 *** END OF RECORD ***