A new type of immunosuppressant is mainly used in prevention of renal graft rejection and transplant. A new type of immunosuppressant is mainly used in prevention of renal graft rejection and transplant arteriosclerosis. It is also used in the treatment of kidney diseases.CAS No.:53123-88-9Molecular weight:914.2Chemical formula: C51H79NO13Appearance: White or offwhite crystalline powderWater:0.5% ...