(R)-3-Hydroxyphenylglycine is a non-proteinogenic amino acid derivative characterized by a hydroxyphenyl group and a chiral center at the alpha carbon. It serves as a crucial chiral building block in the synthesis of β-lactam antibiotics, most notably as a key intermediate for the production of amoxicillin and other semisynthetic penicillins. Its primary industrial application is in the pharmaceutical sector for the manufacture of broad-spectrum antibiotics. The (R)-configuration is essential for imparting the desired biological activity to the final antibiotic molecule. The compound is typically produced via enzymatic resolution or asymmetric synthesis to achieve high enantiomeric purity required for pharmaceutical use. As a high-value pharmaceutical intermediate, its production and quality control are subject to stringent regulatory standards. Its synthesis and application are central to the industrial production of several important anti-infective agents.