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 modification, making it valuable in creating targeted therapies. It is also employed in research settings to develop new bioactive molecules with potential antitumor and antimicrobial properties. Due to its iodine functionality, it serves as a useful precursor in cross-coupling reactions, enabling the construction of complex quinazoline derivatives in medicinal chemistry.