CAS 476004-81-6 appears in our catalog under these names: 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole 97%, INDOLE-2-BORONIC ACID PINACOL ESTER, 95&, 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole, 97%, 97%, 1H-Indole-2-boronic acid pinacol ester, 97%. Offered by: Ambeed, Sigma-Aldrich, Chemat, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, 5g, 10g, 25g.