(S)-3-Aminohex-5-enoic acid hydrochloride is primarily utilized in the field of organic synthesis and pharmaceutical research. It serves as a key intermediate in the development of various bioactive compounds and drug candidates. The compound is particularly valuable in the synthesis of chiral molecules, where its stereochemistry plays a crucial role in achieving the desired biological activity. Researchers often employ it in the preparation of peptides and peptidomimetics, which are essential in studying enzyme inhibitors and receptor modulators. Additionally, its structure makes it a useful building block in the creation of novel therapeutic agents targeting neurological and metabolic disorders. Its applications extend to medicinal chemistry, where it aids in the design and optimization of molecules with potential therapeutic benefits.