Bicyclo[1.1.1]pentan-1-amine hydrochloride is primarily utilized in organic synthesis and medicinal chemistry as a building block for the development of novel pharmaceutical compounds. Its unique bicyclic structure makes it a valuable scaffold for creating molecules with enhanced bioactivity and stability. It is often employed in the design of drugs targeting neurological disorders, as its rigid framework can mimic certain biological structures, improving binding affinity to target proteins. Additionally, this compound is used in the synthesis of peptidomimetics, which are peptide-like molecules that can modulate protein-protein interactions. Its application extends to material science, where it serves as a precursor for advanced polymers with specialized properties.