CAS 39891-55-9 appears in our catalog under these names: 2,3-Dihydro-1-benzofuran-3-carboxylic acid, 95%, 2,3-Dihydrobenzofuran-3-carboxylic acid, 97%, 2,3-Dihydrobenzofuran-3-carboxylic acid, 2,3-Dihydrobenzofuran-3-carboxylic acid, 98%, 98%, 2,3-Dihydro-1-benzofuran-3-carboxylic acid, 98%. Offered by: Combi-blocks, AmBeed, Biosynth, Chemat, Fluorochem. Available pack sizes: 5g, 1g, 250mg, 10g, 100mg.