Generic name: quinidine sulfate
Dosage form: tablet
Drug class:Group I antiarrhythmics
Medically reviewed by Drugs.com. Last updated on Dec 1, 2021.
On This Page
Quinidine Tablets Description
Quinidine is an antimalarial schizonticide and an antiarrhythmic agent with Class Ia activity; it is the d-isomer of quinine, and its molecular weight is 324.43. Quinidine gluconate 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 quinidine gluconate extended-release tablet contains 324 mg of quinidine gluconate (202 mg of quinidine base) in a matrix to provide extended-release; the inactive ingredients include corn starch, hydroxypropyl methylcellulose, magnesium stearate, microcrystalline cellulose, povidone, silicon dioxide, alcohol and sodium alginate.
Meets USP Dissolution Test 6.
..