Quinidine sulfate dihydrate is an antiarrhythmic agent. Quinidine sulfate dihydrate is a potent, orally active, selective cytochrome P450db inhibitor. Quinidine sulfate dihydrate is also a K+ channel blocker with an IC50 of 19.9 µM, and can induce apoptosis. Quinidine sulfate dihydrate can be used for malaria research[1][2][3][4].
