Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of sulfonamide-based antibiotics and anticonvulsant drugs. It serves as a building block in heterocyclic chemistry due to its reactive amine group and stable ring structure. Applied in agrochemicals for the production of herbicides and fungicides. Also explored in materials science for designing corrosion inhibitors and functional polymers. Its derivatives show bioactivity in medicinal chemistry, making it valuable in drug discovery research.