TCI C0893 Cephalosporinase from Bacillus (CAS 9012-26-4) is a beta-lactamase preparation supplied at 1,000,000 units per vial. It hydrolyses the beta-lactam ring of cephalosporin antibiotics and is commonly used to inactivate residual antibiotic activity so that microbial growth in test media is not suppressed. The enzyme also serves as a practical tool for antibiotic resistance research, beta-lactamase inhibitor screening, and enzyme kinetics studies. Available from AMI Scientific as a single vial, it requires cold storage as stated on the official TCI label, with repeated freeze–thaw cycles avoided.
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