CAS 4463-41-6 appears in our catalog under these names: 4-Formylbenzeneboronic acid, propane-1,3-diol cyclic ester, 98%, 98%, 2-(p-Tolyl)-1,3,2-dioxaborinane, 98%, 1,3,2-Dioxaborinane, 2-(4-methylphenyl)-, 98%, 4-Formylbenzeneboronic acid, propane-1,3-diol cyclic ester, 98%. Offered by: Chemat, Ambeed, BLDpharm, Fluorochem. Available pack sizes: 100g, 1g, 5g, 25g.