Methyl 6-aminohexanoate hydrochloride is primarily used in organic synthesis as a building block for the production of more complex chemical compounds. It serves as an intermediate in the synthesis of pharmaceuticals, particularly in the development of drugs targeting neurological and cardiovascular conditions. Its amino and ester functional groups make it a versatile reagent for creating peptide-like structures, which are essential in drug design and development. Additionally, it is employed in the preparation of polymers and coatings, where its properties contribute to enhancing material durability and performance. In research, it is utilized to study reaction mechanisms and develop new synthetic pathways.