Used as an intermediate in the synthesis of nylon-6, this compound plays a key role in polymer chemistry. It helps in forming long-chain polyamides by serving as a building block with reactive amine and amide groups. It is also employed in the preparation of specialty chemicals, including crosslinking agents and pharmaceutical intermediates. Due to its bifunctional nature, it supports the development of custom polymers and bioconjugation reagents. Its hydrochloride form enhances stability and solubility during reactions.