Used as an intermediate in the synthesis of nylon-6, this compound plays a key role in polymer chemistry. Its amino and ester functional groups allow it to participate in condensation reactions, forming long-chain polyamides. It is also employed in the production of specialty coatings, adhesives, and engineering plastics due to its ability to enhance thermal stability and mechanical strength. In research, it serves as a building block for bio-based polymers and functionalized materials. Additionally, it finds use in the development of drug delivery systems where controlled degradation and biocompatibility are required.