Used as an intermediate in the synthesis of pharmaceuticals, particularly in the development of anti-inflammatory and analgesic agents. It plays a role in constructing ester and ether derivatives through its carboxylate and ether functional groups. Commonly utilized in research settings for modifying drug molecules to improve solubility and bioavailability. Also employed in the preparation of prodrugs where controlled release of the active compound is required. Its chlorinated aromatic structure supports stability and specific binding in biological systems.