Used as a key intermediate in the synthesis of quinazoline-based pharmaceutical compounds, particularly in the development of kinase inhibitors for cancer treatment. Its structure supports binding to enzyme active sites involved in signal transduction pathways, making it valuable in designing targeted therapies. The fluorine and cyclopropyl groups enhance metabolic stability and bioavailability, improving drug efficacy. Commonly employed in research settings for optimizing antitumor agents and exploring structure-activity relationships in medicinal chemistry.