*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : CB9199000 CHEMICAL NAME : Antibiotic A-661-I CAS REGISTRY NUMBER : 56452-47-2 LAST UPDATED : 198701 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C47-H79-N-O16 MOLECULAR WEIGHT : 914.27 COMPOUND DESCRIPTOR : Drug Natural Product SYNONYMS/TRADE NAMES : * A-661-I *** 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 : 600 ug/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: 29,76-106,1976 *** END OF RECORD ***