Quinidine is an antimalarial schizonticide and an antiarrhythmic agent with class 1a activity; it is the d–isomer of quinine and its molecular weight is 324.43. Quinidine gluconate (quinidine gluconate (quinidine gluconate injection) injection) is the gluconate salt of quinidine; its chemical name is cinchonan–9–ol, 6'– methoxy–, (9S)–, mono–D–gluconate; its structural formula is

its empirical formula is C₂₀H₂₄N₂O₂•C₆H₁₂O₇, and its molecular weight is 520.58, of which 62.3% is quinidine base.

Each vial of Quinidine Gluconate Injection contains 800 mg (1.5 mmol) of quinidine gluconate (quinidine gluconate (quinidine gluconate injection) injection) (500 mg of quinidine) in 10 mL of Sterile Water for Injection, 0.005% of edetate disodium, 0.25% phenol, and (as needed) D–gluconic acid d–lactone to adjust the pH.

Last reviewed on RxList: 5/21/2009
This monograph has been modified to include the generic and brand name in many instances.