Used as an intermediate in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) with anti-inflammatory and analgesic properties. It serves as a building block in heterocyclic chemistry, enabling the construction of thiophene-based compounds that are important in medicinal research. Also applied in the preparation of dyes and agrochemicals due to its reactive amine and carboxylic acid functional groups, which allow for easy modification and coupling reactions. Its structure supports the design of compounds with enhanced bioavailability and target specificity in drug discovery programs.