CAS 3934-81-4 appears in our catalog under these names: 2,3-Dihydroxy-4-methoxybenzoic acid, 2,3-Dihydroxy-4-methoxybenzoic acid, 95%, 2,3-Dihydroxy-4-methoxybenzoic acid/ 98%, 2,3-Dihydroxy-4-methoxybenzoic acid, 99.29%, 2,3-Dihydroxy-4-methoxybenzoic acid, 97%, 97%. Offered by: Biosynth, Fluorochem, Combi-blocks, TargetMol, MedChemExpress. Available pack sizes: 1g, 0,5g, 2g, 5g, 100mg, 250mg, 1mg, 5mg.