Oxazole-4-carbonitrile is primarily used as a key intermediate in the synthesis of pharmaceuticals and agrochemicals. Its structure enables functionalization at multiple sites, making it valuable in building complex heterocyclic systems. It is commonly employed in the development of bioactive molecules, including antifungal, antibacterial, and anticancer agents. The nitrile group allows for further transformation into carboxylic acids, amides, or tetrazoles, expanding its utility in medicinal chemistry. Additionally, it serves as a building block in the preparation of fluorescent dyes and organic electronic materials due to its electron-withdrawing properties and aromatic stability. Its reactivity also supports use in cycloaddition and cross-coupling reactions for constructing nitrogen- and oxygen-containing heterocycles in research and industrial settings.