*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EZ8738300 CHEMICAL NAME : Carbamic acid, (1-((4-(2-(dimethylamino)ethoxy)phenyl)methyl)-2-(dip ropylamino)-2-oxoethy l)-, (p-nitrobenzyl) ester, (S)- CAS REGISTRY NUMBER : 57228-55-4 LAST UPDATED : 198410 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C27-H38-N4-O6 MOLECULAR WEIGHT : 514.69 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * CR 613 * O-(2-Dimethylaminoethyl)-N-(p-nitrocarbobenzoxy)-L-tyrosyl-di-n-propylam ide *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 100 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: #4004008 *** END OF RECORD ***