Ethyl 2-Aminobutyrate Hydrochloride is primarily utilized in organic synthesis as a building block for the preparation of various pharmaceutical compounds. It serves as an intermediate in the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of drugs targeting neurological and cardiovascular disorders. Its application extends to the production of chiral compounds, where it is used to introduce specific stereochemistry into molecules, enhancing their biological activity. Additionally, it is employed in research laboratories for the development of novel chemical entities and in the study of metabolic pathways. Its role in peptide synthesis is also notable, where it aids in the creation of peptide-based therapeutics.