Product Specification Alternative Name: 6-(4-Hydroxy-6-methoxy-7-methyl-3-oxo-5-phthalanyl)-4-methyl-4-hexanoic acid Formula: C17H20O6 MW: 320.3 Purity: ≥98% (TLC) Appearance: White solid. CAS: 24280-93-1 RTECS: MP8050000 Source/Host: Isolated from Penicillium brevi-compactum Solubility: Soluble in 100% ethanol, methanol or methylene chloride; insoluble in water Shipping: AMBIENT Long Term Storage: -20°C Use/Stability: Store solutions at -20°C for up to 3 months. Hazard: HARMFUL. Replaces Prod. #: ALX-380-015 Antiviral and immunosuppressive activity. Clinically useful antipsoriatic agent. Mycophenolic acid prodrugs are effective in rheumatoid arthritis and for the prevention of organ transplant rejection. Mechanism of action is inhibition of inosine-5'-monophosphate dehydrogenase.