*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : KD1600000 CHEMICAL NAME : 2,7-(Epoxypentadeca(1,11,13)trienimino)naphtho(2,1-b) furan-8-carboxaldehyd e, 1,2-dihydro-5, 6,9,17,19,21-hexahydroxy-23-methoxy-2,4,12,16,18,20,2 2-heptamethyl-1,11-di oxo-, 21-acetate CAS REGISTRY NUMBER : 13292-22-3 LAST UPDATED : 199703 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C38-H47-N-O13 MOLECULAR WEIGHT : 725.86 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 3-Formylrifampicin SV * 3-Formylrifamycin * 3-Formylrifamycin SV * NCI 145-635 * Rifaldehyde * Rifamycin AF *** 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 : 907 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: #4002754 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 416 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: #4002754 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 299 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 38KLAC "Structure-Activity Relationship among the Semisynthetic Antibiotics," Perlman, D., ed., New York, Academic Press, 1977 Volume(issue)/page/year: -,531,1977 *** END OF RECORD ***