*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : CB9230000 CHEMICAL NAME : Antibiotic AY 24668 CAS REGISTRY NUMBER : 85537-35-5 LAST UPDATED : 199209 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C50-H77-N-O12 MOLECULAR WEIGHT : 884.28 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * AY-24,668 * 29-Demethoxyrapamycin *** 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 : >900 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: 36,351,1983 *** END OF RECORD ***