2,5-Dichloroquinazoline is primarily utilized in organic synthesis as a versatile building block for the development of various pharmacologically active compounds. It serves as a key intermediate in the synthesis of quinazoline derivatives, which are known for their potential therapeutic applications, particularly in anticancer and antimicrobial drug discovery. The compound's structure allows for further functionalization, enabling researchers to design and optimize molecules with enhanced biological activity. Additionally, it is employed in the preparation of agrochemicals, contributing to the development of novel pesticides and herbicides. Its reactivity and stability make it a valuable component in research and industrial applications focused on creating specialized chemical entities.