*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DV2042500 CHEMICAL NAME : (1,1'-Biphenyl)-2-carboxylic acid, 4'-((7-hydroxy-5-propylpyrazolo(1,5-a)pyrimidin-6-yl) methyl)- CAS REGISTRY NUMBER : 167375-28-2 LAST UPDATED : 199806 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C23-H21-N3-O3 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 6-((2'-Carboxybiphenyl-4-yl)methyl)-7-hydroxy-5-propylpyrazolo(1,5-a)pyr imidine *** 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 ***