*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : RZ8929700 CHEMICAL NAME : Pentanamide, N-(docosahydro-7-methyl-14-(1-methylethyl)-11,23-bis( 2-methylpropyl)- 5,9,12,15,21,24-hexaoxo-7H,17H-dipyridazino(6,1-c:6', 1'-i)(1,4,7,10,13,16) oxapentazacyclononadecin-8-yl)-2-(formylamino)-3-meth yl- CAS REGISTRY NUMBER : 131956-33-7 LAST UPDATED : 199312 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C38-H65-N9-O9 MOLECULAR WEIGHT : 792.12 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Antibiotic MI 951-65F2 * Depsidomycin *** 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 : >100 mg/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: 43,1195,1990 *** END OF RECORD ***