3-Morpholinopropanoic acid is primarily utilized in organic synthesis as an intermediate for the production of various pharmaceuticals and agrochemicals. Its morpholine ring and carboxylic acid group make it a versatile building block for creating compounds with potential biological activity. It is often employed in the development of drugs targeting neurological disorders, as the morpholine moiety can enhance blood-brain barrier penetration. Additionally, it is used in the synthesis of surfactants and corrosion inhibitors due to its amphiphilic properties. In research, it serves as a precursor for designing novel molecules with applications in medicinal chemistry and material science.