Procytox for Injection is a prescription immunosuppressant containing cyclophosphamide 500 mg per vial. Supplied as a powder for solution, it is reconstituted to 20 mg/mL for intravenous administration. The updated sodium chloride–free formulation supports hospital and clinic compounding preferences. Each 25 mL vial is identified with DIN 02241798 and is available by prescription in Canada.