L 685487 is formed by microbial transformation of FR 900520. References: Chen TS, Arison BH, Wicker LS, Inamine ES. Microbial transformation of immunosuppressive compounds. II. Specific desmethylation of 13-methoxy group of FK 506 and FR 900520 by an unidentified Actinomycete ATCC 53828 [corrected]. J Antibiot (Tokyo). 1992 Apr;45(4):577-80. Erratum in: J Antibiot (Tokyo) 1992 Jun;45(6):C-2. PubMed PMID: 1375593.

纯度：≥98%

CAS：132055-38-0