L 685818 is the C18-hydroxy, C21-ethyl of FK-506 analog.

143839-74-1

C43H69NO13

808.01

L-685,818;L-685818;L685,818;L 685,818;L685818;L 685818

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years