(S)-(-)-3-Aminoquinuclidine dihydrochloride is primarily utilized in pharmaceutical research and development, particularly in the synthesis of chiral compounds. It serves as a key intermediate in the production of various drugs, especially those targeting the central nervous system. Its chiral nature makes it valuable in creating enantiomerically pure substances, which are crucial for ensuring the efficacy and safety of therapeutic agents. Additionally, it is employed in the study of receptor binding and enzyme inhibition, aiding in the discovery of new treatments for neurological disorders. The compound's stability and reactivity also make it a useful reagent in organic synthesis, contributing to the development of novel chemical entities.