CAS 62893-20-3 appears in our catalog under these names: Cefoperazone sodium, 95%, Cefoperazone Sodium Salt, Cefoperazone Sodium, Cefoperazone sodium 100 µg/mL in Acetonitrile:Water, Cefoperazone Sodium Salt, >95% (HPLC). Offered by: Combi-blocks, Chemat Brand, Hubei YoungXin, Dr. Ehrenstorfer, TRC. Available pack sizes: 1g, 25g, 5g, on request, 10mg, 25mg, 50mg, 100mg.