Oxolane-3-carbonitrile is primarily used as an intermediate in organic synthesis, particularly in the production of pharmaceuticals and agrochemicals. Its unique structure allows it to serve as a building block for more complex molecules, enabling the development of compounds with specific biological activities. Additionally, it is employed in the synthesis of heterocyclic compounds, which are crucial in medicinal chemistry for designing drugs with targeted therapeutic effects. Its versatility also extends to material science, where it can be utilized in the creation of specialty polymers and advanced materials with tailored properties.