(S)-2-Amino-3,3-dimethylbutanoic acid hydrochloride is primarily used in the field of pharmaceutical research and development. It serves as a key intermediate in the synthesis of various biologically active compounds, particularly those targeting neurological and metabolic disorders. Its chiral nature makes it valuable in the production of enantiomerically pure drugs, enhancing their efficacy and reducing potential side effects. Additionally, it is utilized in the study of peptide synthesis, where its unique structure contributes to the stability and specificity of peptide-based therapeutics. This compound also finds applications in the development of novel enzyme inhibitors and receptor modulators, aiding in the discovery of new treatments for complex diseases.