K 41 is a polycyclic polyether antibiotic extracted from Streptomyces hygroscopicus. References: Hoshi M, Shimotohno KW, Endo T, Furihata K, Seto H. Microbial and chemical conversion of antibiotic K-41. I. Isolation and identification of conversion product. J Antibiot (Tokyo). 1997 Jul;50(7):631-4. PubMed PMID: 9711256.

纯度：≥98%

CAS：53026-37-2