*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EC2462000 CHEMICAL NAME : (7,7'-Bi-4aH-xanthene)-4a,4'a-dicarboxylic acid, 2,2',3,3,'4,4',9,9'-octahydro-1,1',4,4',8, 8'-hexahydroxy-3,3'-dimethyl-9,9'-dioxo-, dimethyl ester, (3R-(3-alpha,4-beta,4-alpha,beta, 7(3'R*,4'S*,4'aS*)))- CAS REGISTRY NUMBER : 35287-72-0 LAST UPDATED : 198309 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C32-H30-O14 MOLECULAR WEIGHT : 638.62 COMPOUND DESCRIPTOR : Drug Natural Product SYNONYMS/TRADE NAMES : * Entothein * Ergochrome AA(2,2') * Secalonic acid A *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 50 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 85GDA2 "CRC Handbook of Antibiotic Compounds," Vols.1- , Berdy, J., Boca Raton, FL, CRC Press, 1980- Volume(issue)/page/year: 5,413,1981 *** END OF RECORD ***