Category:
Regulated Fine Chemicals
CAS NO:
104987-11-3
Standard:
BP,EP,ChP,USP,
FK-506, commercially known as Tacrolimus, is a potent macrocyclic lactone immunosuppressant produced via microbial fermentation of Streptomyces tsukubaensis. Its molecular formula is C44H69NO12 with CAS No. 104987-11-3.
Strict therapeutic drug monitoring is required due to a narrow therapeutic index. Storage must be maintained below 25°C in light-resistant containers. Avoid concurrent use with strong CYP3A4 inhibitors to prevent toxicity.