This chemical is primarily utilized in the field of pharmaceutical research and development. It serves as a key intermediate in the synthesis of various biologically active compounds, particularly those targeting specific enzymes or receptors in medicinal chemistry. Its structure makes it valuable for creating potential drug candidates, especially in the development of kinase inhibitors, which are crucial in cancer therapy. Additionally, it is employed in the study of structure-activity relationships (SAR) to optimize the efficacy and selectivity of new therapeutic agents. Its halogenated quinazoline core is significant for designing molecules with enhanced binding affinity and pharmacological properties.