BENZO[B]THIOPHENE-2-CARBOXYLIC ACID, 3-CHLORO-, 1, is a chemical compound registered under CAS number 21211-27-8, with the molecular formula C9H5 Cl O4 S and a molecular weight of about 244.64 g/mol. It is also known as NSC 623632. KingChemi supplies BENZO[B]THIOPHENE-2-CARBOXYLIC ACID, 3-CHLORO-, 1, for laboratory research and bulk production; product code 152027. Send an inquiry for purity, packaging, price and lead time.