4-Chloro-2-cyclopropylquinazoline is primarily utilized in the field of medicinal chemistry as a key intermediate in the synthesis of various biologically active compounds. Its structure serves as a foundational framework for developing potential therapeutic agents, particularly in the design of kinase inhibitors. These inhibitors are crucial in targeting specific enzymes involved in cell signaling pathways, making them valuable in the treatment of diseases such as cancer and inflammatory disorders. Additionally, the compound's quinazoline core is often modified to enhance its binding affinity and selectivity, enabling researchers to explore its potential in drug discovery and development. Its applications also extend to agrochemical research, where it may be used to create novel pesticides or herbicides with improved efficacy.