CAS 6314-28-9 appears in our catalog under these names: Thianaphthene-2-carboxylic acid/ 98%, Benzo[b]thiophene-2-carboxylic acid, 98% , Benzo(b)thiophene-2-carboxylic acid, Benzo[b]thiophene-2-carboxylic Acid, >98.0%(HPLC)(T), Benzo[b]thiophene-2-carboxylic acid 98%. Offered by: Chemat, Thermo Scientific (Alfa Aesar), Biosynth, TCI, Ambeed. Available pack sizes: 10g, 2g, 1g, 5g, 25g, 50g, 100g, 500g.