3-O-Methyl Tolcapone Price Not Available 25mg 3-O-Methyl Tolcapone Supplier Page Catalog Number R055016 Molecular Formula C15H13NO5 CAS# 134612-80-9 Purity ≥95% Inchi InChI=1S/C15H13NO5/c1-9-3-5-10(6-4-9)14(17)11-7-12(16(19)20)15(18)13(8-11)21-2/h3-8,18H,1-2H3 Inchi Key VCNSNEJUGBEWTA-UHFFFAOYSA-N SMILES CC1=CC=C(C=C1)C(=O)C2=CC(=C(C(=C2)OC)O)[N+](=O)[O-] Size 25mg Supplier Page https://www.musechem.com/product/R055016.html