Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of kinase inhibitors for cancer therapy. Its structure allows for selective functionalization, making it valuable in medicinal chemistry for constructing biologically active molecules. Commonly employed in cross-coupling reactions such as Suzuki or Buchwald-Hartwig aminations to build complex heterocyclic systems. Also utilized in the preparation of fluorescent probes and labeled compounds for biochemical assays due to the presence of the iodine atom, which facilitates radiolabeling or serves as a handle for further derivatization.