Used as a key intermediate in the synthesis of cephalosporin antibiotics, particularly in the production of cefazolin and related beta-lactam drugs. It functions as a side chain precursor that contributes to the antimicrobial activity and stability of the final antibiotic. The compound's sulfonic acid and tetrazole groups enhance solubility and bioavailability in pharmaceutical formulations. It is valued in the pharmaceutical industry for its role in improving the efficacy and pharmacokinetic profile of semi-synthetic antibiotics.