(1R,3S)-3-Aminocyclopentanecarboxylic acid hydrochloride is primarily used in pharmaceutical research and development. It serves as a key intermediate in the synthesis of various bioactive compounds, particularly those targeting neurological and cardiovascular disorders. Its unique stereochemistry makes it valuable in the design of drugs that require specific chiral properties for enhanced efficacy and reduced side effects. Additionally, it is utilized in the development of peptide-based therapeutics, where its structure contributes to the stability and bioavailability of the final product. Researchers also explore its potential in creating novel enzyme inhibitors and receptor modulators, leveraging its cyclopentane backbone for conformational rigidity in drug design.