*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR0786375 CHEMICAL NAME : Pyrazolo(1,5-a)pyrimidin-7-ol, 5-butyl-6-((2'-(1H-tetrazol-5-yl)(1,1'-biphenyl)-4-yl )methyl)- CAS REGISTRY NUMBER : 167375-24-8 LAST UPDATED : 199806 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C24-H23-N7-O COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 5-Butyl-6-((2'-(1H-tetrazol-5-yl)(1,1'-biphenyl)-4-yl)methyl)pyrazolo(1, 5-a)pyrimidin-7-ol *** 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 ***