(1R,2R)-(-)-2-Amino-1-cyclopentanecarboxylic acid hydrochloride is primarily used in the field of organic synthesis and pharmaceutical research. It serves as a chiral building block for the preparation of various biologically active compounds, particularly in the development of drugs targeting neurological and cardiovascular systems. Its stereochemistry makes it valuable for creating enantiomerically pure molecules, which are crucial for achieving specific pharmacological effects. Additionally, it is utilized in peptide synthesis and as a precursor for the production of complex organic molecules with potential therapeutic applications.