Ceftolozane formula c23h30n12o8s2?

What is the molecular formula of ceftolozane?

Ceftolozane has the molecular formula C23H30N12O8S2.

Does C23H30N12O8S2 refer to the active drug or a specific salt/form?

The formula C23H30N12O8S2 is the molecular formula commonly associated with the ceftolozane drug substance itself. Drug products can be marketed as different dosage forms (for example, powders for reconstitution), but the underlying molecular formula of the active ingredient is the same.

Where is this information typically confirmed?

Molecular formulas for specific drug substances are usually listed in drug substance databases and regulatory documentation (for example, labels and chemical reference sources used for pharmaceutical identity and characterization).

I can help verify the exact identifier you have (free base vs. salt) if you share where you saw C23H30N12O8S2 (a label, SDS, pharmacy system, or a database link).