benzenesulfonic acid and its Impurities
An organosulfur compound , it is used for preparation of benzenesulfonate salts or bensilates from which various pharmaceutical drugs are preparaed. Benzenesulfonic acid is prepared by sulfonation of benzene ring. Reference standards of Benzenesulfonic Acid API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.