(1S,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 metabolic disorders. Its structure is valuable in designing drugs that interact with specific receptors or enzymes in the body. Additionally, it is utilized in the study of peptide mimetics and as a building block for creating novel therapeutic agents. The compound's stereochemistry also makes it useful in asymmetric synthesis and chiral resolution processes.