4'-Aminohexanophenone is primarily used in organic synthesis as an intermediate for the production of various pharmaceuticals and fine chemicals. It plays a key role in the synthesis of compounds with potential biological activity, such as analgesics, anti-inflammatory agents, and other therapeutic molecules. Additionally, it is utilized in the development of dyes and pigments due to its aromatic amine structure, which can be modified to create colorants. Its application extends to research laboratories, where it serves as a building block for the preparation of more complex organic molecules.