Used as a key intermediate in the synthesis of cephalosporin antibiotics, particularly in the production of ceftriaxone and other third-generation cephalosporins. Its structure enables beta-lactam ring formation, enhancing antimicrobial activity against a broad spectrum of bacteria, including resistant strains. The compound's oxime and thiadiazole groups contribute to improved stability and penetration through bacterial cell walls. It plays a critical role in pharmaceutical manufacturing where high purity and stereochemical configuration are essential for drug efficacy.