*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UA2468250 CHEMICAL NAME : Propanoic acid, 2-methyl-, 5-(2-((1,1-dimethylethyl)amino)-1-hydroxyethyl)-1,3- phenylene ester, hydrobromide CAS REGISTRY NUMBER : 52223-83-3 LAST UPDATED : 199606 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C20-H31-N-O5.Br-H MOLECULAR WEIGHT : 446.44 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 1,3-Benzenediol, 5-(2-(t-butylamino)-1-hydroxyethyl)-, isobutyrate, hydrochloride * KWD2058 *** 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 : 2150 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: #4011258 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 52 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: #4011258 *** END OF RECORD ***