Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of kinase inhibitors for cancer treatment. Its structure allows for selective binding in biological systems, making it valuable in creating active pharmaceutical ingredients (APIs) targeting specific signaling pathways. Commonly employed in medicinal chemistry for derivatization due to the presence of amine and halogen groups, which facilitate coupling reactions such as Suzuki or Buchwald-Hartwig aminations. Also utilized in the preparation of radiolabeled analogs for use in drug discovery and metabolic studies.