DEMSER* (Metyrosine) is (-)-α-methyl-L-tyrosine or
(α-MPT).It has the following structural formula:
Metyrosine is a white, crystalline compound of molecular weight 195.It is very slightly soluble in water, acetone, and methanol, and insoluble in chloroform and benzene.It is soluble in acidic aqueous solutions.It is also soluble in alkaline aqueous solutions, but is subject to oxidative degradation under these conditions. DEMSER (metyrosine) is supplied as capsules, for oral administration.Each capsule contains 250 mg metyrosine.Inactive ingredients are colloidal silicon dioxide, gelatin, hydroxypropyl cellulose, magnesium stearate, titanium dioxide, and FD&C Blue 2.
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