SPL Set ID: a10633a6-4518-4a87-a880-faaa33bdbec6
1 drug(s) with this SPL Set ID
Dofetilide is an antiarrhythmic drug with Class III (cardiac action potential duration prolonging) properties. Its empirical formula is C 19 H 27 N 3 O 5 S 2 and it has a molecular weight of 441.6. The structural formula is The chemical name for dofetilide is: N-[4-[2-[methyl[2-[4-[(methylsulfonyl)amino]phenoxy]ethyl]amino]ethyl]phenyl]-methanesulfonamide. Dofetilide is a white to off-white powder. It is very slightly soluble in water and propan-2-ol and is soluble in 0.1M aqueous sodium hydroxide, acetone, and aqueous 0.1M hydrochloric acid. Dofetilide capsules contain the following inactive ingredients: colloidal silicon dioxide, corn starch, gelatin, magnesium stearate, microcrystalline cellulose and titanium dioxide. The 125 mcg capsules contain FD & C Yellow # 6 and D & C yellow # 10. The 250 mcg and 500 mcg capsules contain FD & C Yellow # 6 and FD& C Red # 40. Dofetilide is supplied for oral administration in three dosage strengths: 125 mcg (0.125 mg) orange and white capsules, 250 mcg (0.25 mg) peach capsules, and 500 mcg (0.5 mg) peach and white capsules. In addition, capsule printing ink contains ammonium hydroxide, black iron oxide, propylene glycol, and shellac glaze. dofetilide-structure-jpg