Glycine N-Propyl Ester Hydrochloride is primarily used in organic synthesis and pharmaceutical research. It serves as a building block in the preparation of peptides and other complex organic molecules, facilitating the study of biochemical processes. This compound is also utilized in the development of prodrugs, where it helps improve the bioavailability and stability of active pharmaceutical ingredients. Additionally, it finds application in the synthesis of specialty chemicals and intermediates for various industrial purposes. Its role in enhancing the efficiency of chemical reactions makes it valuable in both academic and industrial laboratories.