Used as an intermediate in the synthesis of biologically active compounds, particularly in the development of pharmaceuticals targeting central nervous system disorders. It serves as a building block for sulfonamide-based drugs due to its amine and sulfonamide functional groups, which enhance binding affinity and solubility. Also employed in the preparation of buffer systems for biochemical assays, where it helps maintain stable pH in sensitive reactions. Its hydrochloride salt form improves water solubility and handling in aqueous environments.