Used as a key intermediate in the synthesis of pharmaceuticals, particularly in anticoagulant and anti-inflammatory agents. Its α,β-unsaturated carboxylic acid structure makes it valuable in organic synthesis for forming carbon-carbon bonds via conjugate addition reactions. Also employed in the development of agrochemicals, including herbicides and plant growth regulators, due to its ability to mimic bioactive aromatic compounds. Its halogenated aromatic ring enhances binding affinity in biologically active molecules, making it useful in medicinal chemistry for structure-activity relationship (SAR) studies.