CAS 490-63-1 appears in our catalog under these names: 2-Formyl-4,5-dimethoxybenzoic acid, 2-Formyl-4,5-dimethoxybenzoic acid 95%, 2-Formyl-4,5-dimethoxybenzoic acid, 98%, 98%, 2-Formyl-4,5-dimethoxy-benzoic acid, 98%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 2,5g, 250mg, 100mg, 1g, 5g.