*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XZ5970000 CHEMICAL NAME : 1H-v-Triazolo(4,5-d)pyrimidine-5,7(4H,6H)-dione, 4-methyl- CAS REGISTRY NUMBER : 2083-04-7 BEILSTEIN REFERENCE NO. : 0525897 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C5-H5-N5-O2 MOLECULAR WEIGHT : 167.15 SYNONYMS/TRADE NAMES : * 3-Methyl-8-azaxanthin * 4-Methyl-1H-v-triazolo(4,5-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 : 850 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 ***