Appearance：White or almost white crystalline powder            
Assay (on dry base)：99.4%            
Loss on drying：0.06%            
Total impurities：0.75%            
Individual impurities：0.1%            
Residue on ignition：0.04%            
Heavy metals：≤0.002%            
Residue solvents：0.08%            
Packing：25kg/drum,500kg into 20 drums            
Applications:Widely used in the prevention and treatment of acute rejection of transplanted organs   Molecule Structure: