CAS 34576-89-1 appears in our catalog under these names: 3,7-Dichloro-6-methoxy-1-benzothiophene-2-carboxylic acid, 95%, 3,7-Dichloro-6-methoxybenzo(b)thiophene-2-carboxylic acid, 95+%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 5g, 1g.