3-Oxobutanenitrile is primarily used as an intermediate in organic synthesis, particularly in the production of pharmaceuticals and agrochemicals. Its structure allows it to participate in various chemical reactions, making it valuable for constructing complex molecules. It is often employed in the synthesis of heterocyclic compounds, which are essential in drug development. Additionally, it serves as a precursor in the manufacturing of dyes and pigments, contributing to the coloration of materials. Its reactivity also makes it useful in research and development for exploring new chemical pathways and creating specialized compounds.