S-632-B1 AND S-632-B2 SUBSTANCE

摘要

NEW MATERIAL:S-632-B1 material. outlook: light-yellow, oily material; molecular weight (electron ionization mass spectrum method): 323; element analysis value (%): C 62.76, H 7.71, N 4.12; solubility: readily soluble in methanol and acetone, etc., hardly soluble in hexane and ether, insoluble in water; color reaction: positive to iodine gas and Ehrlich's reaction, negative to Ninhydrin reaction the Tollen's reaction; distinction of basic, acidic or neutral: weak acidic. USE:Antibiotic agent. PREPARATION:Production fungus of S-632 material [e.g., streptomyces species S-632 (FERM-P 1849), etc.] is cultured and the aimed material is collected from said cultured solution.