*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EM9135000 CHEMICAL NAME : 2-Butenoic acid, 4-(2,5-dimethoxyphenyl)-4-oxo-, (E)- CAS REGISTRY NUMBER : 85293-40-9 LAST UPDATED : 199712 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C12-H12-O5 MOLECULAR WEIGHT : 236.24 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * (E)-4-(2,5-Dimethoxyphenyl)-4-oxo-2-butenoic acid *** 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 : 400 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FRXXBL French Demande Patent Document. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #2504005 *** END OF RECORD ***