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You are here:Home » Biochemicals » Biochem-Neurochemicals » 3-O-Methyl-L-DOPA Monohydrate

3-O-Methyl-L-DOPA Monohydrate


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3-O-Methyl-L-DOPA is the major metabolite of L-DOPA via catechol O-methyltransferase (COMT). 3-Methoxy-L-tyrosine is neither a substrate for nor an inhibitor of L-amino acid decarboxylase activity. Inhibition of COMT enhances the anti-Parkinson activity of L-DOPA.
Catalog #016757
FormBrown Solid
Melting Point223-225°C (dec.)
SolubilityDMSO, Methanol
CAS Number200630-46-2
Molecular FormulaC10H15NO5
Molecular Weight229.23
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. Toxicity and Hazards: All products should be handled by qualified personnel only, trained in laboratory procedures.
Alternate names3-Methoxy-L-tyrosine Monohydrate; 3-Methoxy-4-hydroxyphenylalanine Monohydrate; 3-Methoxy-DOPA Monohydrate; 3-Methoxy-L-tyrosine Monohydrate; 3-O-Methyldopa Monohydrate; L-3-Methoxy-4-hydroxyphenylalanine Monohydrate; L-3-O-Methyl-DOPA Monohydrate; L-4-Hy

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