(R)-4-(1-aminoethyl)benzoic acid is primarily utilized in the pharmaceutical industry as a chiral building block for the synthesis of various active pharmaceutical ingredients (APIs). Its enantiomeric purity makes it valuable in the development of drugs with specific stereochemical requirements, particularly in the production of β-lactam antibiotics and other therapeutic agents. Additionally, it serves as an intermediate in organic synthesis, enabling the creation of complex molecules with precise structural configurations. Its applications extend to research and development, where it is used in the study of chiral compounds and their biological activities.