Cyclopropanecarbonitrile is primarily utilized in organic synthesis as a versatile building block for the construction of more complex molecules. Its strained cyclopropane ring and nitrile functional group make it a valuable intermediate in the preparation of pharmaceuticals, agrochemicals, and fine chemicals. It is often employed in cycloaddition reactions, where the three-membered ring can participate in ring-opening processes to form new carbon-carbon bonds. Additionally, the nitrile group can be further transformed into various functional groups, such as amines, carboxylic acids, or amides, enhancing its utility in multi-step synthetic routes. In medicinal chemistry, it serves as a precursor for the development of biologically active compounds, including potential drug candidates targeting specific enzymes or receptors. Its unique structure also makes it a subject of interest in the study of reaction mechanisms and stereochemistry.