*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XI4850000 CHEMICAL NAME : (1,2,5)Thiadiazolo(3,4-d)pyrimidine-5,7(4H,6H)-dione, 4-methyl- CAS REGISTRY NUMBER : 62700-61-2 LAST UPDATED : 199012 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C5-H4-N4-O2-S MOLECULAR WEIGHT : 184.19 SYNONYMS/TRADE NAMES : * 3-Methyl-8-thiaxanthin * 4-Methyl-(1,2,5)thiadiazolo(3,4-d)pyrimidine-5,7(4H,6H)-dione *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 260 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : KHFZAN Khimiko-Farmatsevticheskii Zhurnal. Chemical Pharmaceutical Journal. For English translation, see PCJOAU. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1967- Volume(issue)/page/year: 11(2),82,1977 *** END OF RECORD ***