2-Bromo-4-phenylquinazoline is primarily utilized in organic synthesis and pharmaceutical research. It serves as a key intermediate in the development of various biologically active compounds, particularly in the synthesis of quinazoline derivatives. These derivatives are often explored for their potential therapeutic properties, including anticancer, antimicrobial, and anti-inflammatory activities. Additionally, the compound is employed in the design of kinase inhibitors, which are significant in targeted cancer therapies. Its bromine atom makes it a versatile building block for further functionalization through cross-coupling reactions, enabling the creation of diverse chemical structures for drug discovery and development.