*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DV1779170 CHEMICAL NAME : (1,1'-Biphenyl)-2-carboxamide, 4'-((7-hydroxy-5-propylpyrazolo(1,5-a)pyrimidin-6-yl) methyl)- CAS REGISTRY NUMBER : 167375-27-1 LAST UPDATED : 199806 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C23-H22-N4-O2 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 6-((2'-Aminocarbonylbiphenyl-4-yl)methyl)-7-hydroxy-5-propylpyrazolo(1,5 -a)pyrimidine * 4'-((7-Hydroxy-5-propylpyrazolo(1,5-a)pyrimidin-6-yl)methyl)-(1,1'-biphe nyl)-2-carboxamide *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : >300 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #5389632 *** END OF RECORD ***