Used primarily as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of kinase inhibitors for cancer treatment. It serves as a building block in medicinal chemistry due to its reactive iodine moiety, enabling coupling reactions such as Suzuki or Heck reactions to introduce aromatic or heteroaromatic groups. Its structure supports the design of biologically active molecules targeting neurological disorders and inflammatory diseases. Also employed in research settings for labeling and tracer studies owing to the presence of iodine, facilitating detection and imaging applications.