Used as a key intermediate in the synthesis of cephalosporin antibiotics, particularly in the production of semi-synthetic beta-lactam antibiotics. It plays an important role in modifying the side chain structure to enhance antimicrobial activity, stability, and bioavailability of the final drug product. Commonly employed in pharmaceutical manufacturing processes where controlled oxidation of cephalosporin derivatives is required. Its reactivity allows for further chemical transformations, making it valuable in developing antibiotic agents with improved pharmacokinetic profiles.