Used primarily as an intermediate in the synthesis of pharmaceuticals, especially in the production of non-steroidal anti-inflammatory drugs (NSAIDs). It serves as a building block for compounds with analgesic and antipyretic properties. Its structure allows for easy modification in organic synthesis, making it valuable in developing active pharmaceutical ingredients. Also employed in the preparation of chiral ligands and catalysts for asymmetric synthesis. Limited use in agrochemicals and specialty polymers due to its aromatic and carboxylic functionality.