Used as an intermediate in the synthesis of pharmaceuticals and biologically active compounds. Its structure allows for selective functionalization in drug development, particularly in the design of enzyme inhibitors. The sulfonamide group enhances solubility and binding affinity, making it valuable in medicinal chemistry. Also employed in the preparation of fluorescent probes and dyes due to the naphthalene core’s photophysical properties. Common in research settings for developing new sulfonamide-based therapeutic agents.