Cas registry number: 128794-94-5 Molecular weight: 433.49 .Density: 1.222 g/cm3boiling point: 637.6 c at 760 mmhgmelting point: 95-96¡æflash point: 339.4 csolubility: Freely soluble in acetone, soluble in methanol, and sparingly soluble in ethanol In water, 43 mg/l at ph 7.4, temp not specifiedappearance: White to off-white crystalline powderusage: An immunosuppressant.