CAS 59337-81-4 appears in our catalog under these names: 4-Chlorothiophene-3-carboxylic acid, 4-Chlorothiophene-3-carboxylic acid, 98%, 4-Chlorothiophene-3-carboxylic acid, 95%, 4-Chlorothiophene-3-carboxylic acid, min. 95 %, 10 mg, 4-Chlorothiophene-3-carboxylic acid, min. 95 %, 25 mg. Offered by: Biosynth, AmBeed, Fluorochem, Roth. Available pack sizes: 25mg, 10mg, 50mg, 250mg, 100mg, 1g, 5g, 10g.