6-(6-Aminohexanamido)hexanoic acid is primarily used in biochemical research and pharmaceutical development. It serves as a linker or spacer molecule in the synthesis of peptide-based drugs, enabling the attachment of functional groups or active compounds to enhance drug delivery and efficacy. Its structure allows for the creation of stable conjugates, making it valuable in targeted therapies, particularly for cancer treatment. Additionally, it is utilized in the development of biosensors and diagnostic assays, where its properties facilitate the immobilization of biomolecules onto surfaces for accurate detection and analysis. Its versatility also extends to material science, where it aids in the modification of polymers and surfaces for specific applications.