*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR0760000 CHEMICAL NAME : Pyrazolo(1,5-a)pyrimidine, 5,7-dimethyl- CAS REGISTRY NUMBER : 35149-38-3 BEILSTEIN REFERENCE NO. : 0607885 LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C8-H9-N3 MOLECULAR WEIGHT : 147.20 WISWESSER LINE NOTATION : T56 ANN FNJ G1 I1 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 5,7-Dimethylpyrazolo(1,5-a)pyrimidine *** 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 : 928 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 20,386,1977 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 537 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 20,386,1977 *** END OF RECORD ***