Used as an intermediate in organic synthesis, particularly in pharmaceuticals and fine chemicals. It serves in the preparation of bioactive molecules due to the presence of both phenolic and carboxylic functional groups, which allow for diverse chemical modifications. Commonly employed in the development of anti-inflammatory agents and metabolic pathway research. Also utilized in studies related to gut microbiota metabolism, as it is a derivative of phenylpropanoic acids produced during the breakdown of polyphenols. Its structure makes it suitable for conjugation reactions in drug design and in the synthesis of polymers with specific thermal or solubility properties.