2-Chloro-7-iodoquinazoline is primarily utilized in pharmaceutical research and development as a key intermediate in the synthesis of various biologically active compounds. Its structure makes it a valuable building block for creating quinazoline derivatives, which are often explored for their potential therapeutic properties. This compound is particularly significant in the design and development of kinase inhibitors, which are crucial in targeting specific enzymes involved in cancer and other diseases. Additionally, it is employed in medicinal chemistry for the preparation of compounds that may exhibit antimicrobial, anti-inflammatory, or antiviral activities. Its halogenated structure allows for further functionalization, making it a versatile component in organic synthesis and drug discovery processes.