Ethyl 2-amino-3-(4-methoxyphenyl)propanoate hydrochloride is primarily used in the field of pharmaceutical research and development. It serves as a key intermediate in the synthesis of various bioactive compounds, particularly those targeting neurological and cardiovascular disorders. Its structure is often utilized to develop molecules with potential antidepressant, anxiolytic, or antihypertensive properties. Additionally, it is employed in organic synthesis to create complex chemical structures for drug discovery programs, aiding in the exploration of new therapeutic agents. Its role in medicinal chemistry highlights its importance in advancing treatments for various health conditions.