Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of kinase inhibitors for cancer therapy. Its sulfone functionality and N-(4-bromophenyl) substitution make it valuable in medicinal chemistry for enhancing binding affinity and metabolic stability. Commonly employed in structure-activity relationship (SAR) studies to optimize drug candidates targeting inflammatory and oncological pathways. Also utilized in the preparation of functionalized heterocyclic systems for use in biochemical probes and receptor modulators.