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Zifam CS1: Each 1-g vial contains the equivalent of sulbactam 500 mg and cefoperazone 500 mg.
Zifam CS2: Each 2-g vial contains the equivalent of sulbactam 1000 mg and cefoperazone 1000 mg.
Zifam is available as a dry powder for reconstitution in a 1:1 ratio in terms of free sulbactam and cefoperazone.
Sulbactam sodium is a derivative of the basic penicillin nucleus. Sulbactam sodium is sodium penicillinate sulfone and is an off-white crystalline powder which is highly soluble in water. The molecular weight is 255.22.
Cefoperazone sodium is a semisynthetic broad-spectrum cephalosporin antibiotic for parenteral use only. It contains 34 mg sodium (1.5 mEq)/g. Cefoperazone is a white crystalline powder which is freely soluble in water. The molecular weight is 667.65.
