*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UW7794000 CHEMICAL NAME : Pyrimido(4,5-d)pyrimidine-2,4,5,7(1H,3H,6H,8H)-tetron e, 1,3,6-trimethyl- CAS REGISTRY NUMBER : 64467-32-9 LAST UPDATED : 199406 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C9-H10-N4-O4 MOLECULAR WEIGHT : 238.23 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 1,3,6-Trimethylpyrimido(4,5-d)pyrimidine-2,4,5,7(1H,3H,6H,8H)-tetrone *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD - Lethal dose 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 : 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: 12,341,1977 TYPE OF TEST : LD - Lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >300 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: 12,341,1977 *** END OF RECORD ***