7-Bromoheptanenitrile is primarily used as an intermediate in organic synthesis, particularly in the production of pharmaceuticals and agrochemicals. Its bromo and nitrile functional groups make it a versatile building block for constructing more complex molecules. It is often employed in the synthesis of compounds with potential biological activity, such as inhibitors or modulators of enzymes and receptors. Additionally, it can be utilized in the development of specialty chemicals, including polymers and surfactants, due to its ability to introduce specific functional groups into a molecular framework. Its reactivity in alkylation and cyanation reactions makes it valuable in research and industrial applications for creating tailored chemical structures.