2,3-Diphenylpropionic acid is primarily used in organic synthesis as a building block for the preparation of various pharmaceutical compounds. It serves as an intermediate in the production of nonsteroidal anti-inflammatory drugs (NSAIDs) and other therapeutic agents. The compound is also employed in research and development for studying enzyme inhibition and receptor binding activities. Additionally, it finds application in the synthesis of chiral molecules, which are crucial in the development of enantiomerically pure drugs. Its role in medicinal chemistry makes it valuable for creating derivatives with potential biological activities.