1) Cat. No.: TRC-M303820; 2) Chemical Name: 3-O-Methyl-L-DOPA Methyl Ester; 3) CAS No.: 78148-37-5; 4) Mol. Formula: C11H15NO4; 5) Mol. Weight: 225.24; 6) Packing Size: 50mg / 500mg; 7) Appearence: Grey Solid; 8) Application Notes: Protected 3-O-Methyl-L-DOPA (M303815). 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.; 9) Synonym: 3-Methoxy-L-tyrosine Methyl Ester; 10) Solubility: Methanol; 11) Storage condition: ; 12) References: Soares-da Silva, P., et al.: Brain Res., 863, 293 (2000), Deleu, D., et al.: Clin. Pharmacokinet., 41, 261 (2002),