*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : CB9525000 CHEMICAL NAME : Antibiotic OS 4742B2 CAS REGISTRY NUMBER : 66198-33-2 LAST UPDATED : 198504 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C65-H54-O17 MOLECULAR WEIGHT : 1107.19 COMPOUND DESCRIPTOR : Drug Natural Product SYNONYMS/TRADE NAMES : * OS 4742B2 *** 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 : 25 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 85GDA2 "CRC Handbook of Antibiotic Compounds," Vols.1- , Berdy, J., Boca Raton, FL, CRC Press, 1980- Volume(issue)/page/year: 3,188,1980 *** END OF RECORD ***