5-Formyl-2-furanboronic acid is primarily utilized in organic synthesis as a versatile building block. It is particularly valuable in Suzuki-Miyaura cross-coupling reactions, where it acts as a boronic acid partner to form carbon-carbon bonds, enabling the construction of complex organic molecules. Its furan ring and formyl group make it a useful intermediate in the synthesis of pharmaceuticals, agrochemicals, and functional materials. Additionally, it can serve as a precursor for the development of heterocyclic compounds, which are often found in biologically active molecules. Its unique structure also allows for applications in the design of sensors and catalysts, leveraging its ability to interact with specific targets or facilitate chemical transformations.