*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : KD1370000 CHEMICAL NAME : 1,4-Epoxy-1H-naphtho(1,2-c)pyran-8-carboxylic acid, 1-(3-(acetyloxy)tetrahydro-5-methylene- 2,4-dioxo-3-furanyl)-3,4,4a,6a,7,8,9,10,10a,10b-decah ydro-4,10b-dimethyl-3 -(1-methyl-1- propenyl)-, (1S-(1-alpha,1(S*),3-beta(E),4-alpha,4a-beta,6a-beta, 8-alpha,10a-alpha,10b -beta))- CAS REGISTRY NUMBER : 83512-61-2 LAST UPDATED : 199210 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C27-H32-O9 MOLECULAR WEIGHT : 500.59 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Antibiotic FR900109 * FR900109 *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD - Lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >1 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JANTAJ Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo, 141, Japan) V.2-5, 1948-52; V.21- 1968- Volume(issue)/page/year: 36,1123,1983 *** END OF RECORD ***