(S)-(-)-α-Phenylglycine is widely used in the pharmaceutical industry as a chiral building block for the synthesis of various drugs. It serves as a key intermediate in the production of antibiotics, particularly β-lactam antibiotics like ampicillin and amoxicillin. Its enantiomeric purity is crucial for ensuring the efficacy and safety of these medications. Additionally, it is employed in the development of chiral catalysts and ligands for asymmetric synthesis, enhancing the efficiency of chemical reactions in producing optically active compounds. In agrochemicals, it is utilized to create enantiomerically pure herbicides and pesticides, improving their effectiveness and reducing environmental impact. Its role in fine chemical synthesis also extends to the preparation of specialty chemicals and active pharmaceutical ingredients (APIs) with high stereochemical precision.