Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of kinase inhibitors for cancer treatment. Its structure supports the formation of biologically active molecules by enabling specific binding to enzyme targets. Commonly employed in medicinal chemistry research for optimizing lead compounds due to its bromine handle, which allows further functionalization via cross-coupling reactions like Suzuki or Buchwald-Hartwig amination. Also utilized in the preparation of fluorescent probes and labeled compounds for biochemical assays.