*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UL2200000 CHEMICAL NAME : Protostreptovaricin-31-oic acid, 25-demethyl-21-hydroxy-19-O-methyl-2S-(methylthio)-, methyl ester CAS REGISTRY NUMBER : 87913-35-7 LAST UPDATED : 199212 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C38-H49-N-O12-S MOLECULAR WEIGHT : 743.94 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Antibiotic Tan 528A * Awamycin * TAN 528A *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 25 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: 37,84-144,1984 *** END OF RECORD ***