CAS 57248-14-3 appears in our catalog under these names: 2,5-Dichlorothiophene-3-carbonylchloride, 95%, 2,5-Dichlorothiophene-3-carbonyl chloride, 95%, 2,5-Dichlorothiophene-3-carbonyl chloride, 95% . Offered by: Ambeed, BLDpharm, Combi-blocks, Thermo Scientific. Available pack sizes: 250mg, 1g, 5g, 25g, 10g.