Biological descriptionSodium channel blocker. Class IC antiarrhythmic agent. Inhibits fast Na+ current in cardiac muscle in a use- and concentration-dependent manner. Also inhibits cardiac ryanodine receptors. Orally-active.
Storage instructionsStore at +4°C. Store under Desiccating conditions. The product can be stored for up to 12 months.
Solubility overviewSoluble in ethanol to 100 mM and in DMSO to 50 mM
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
Hilliard FA et al. Flecainide inhibits arrhythmogenic Ca2+ waves by open state block of ryanodine receptor Ca2+ release channels and reduction of Ca2+ spark mass. J Mol Cell Cardiol48:293-301 (2010).
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Rouet R & Ducouret P Use- and concentration-dependent effects of flecainide in guinea pig right ventricular muscle. J Cardiovasc Pharmacol24:177-83 (1994).
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Singh BN et al. The electrophysiology and pharmacology of verapamil, flecainide, and amiodarone: correlations with clinical effects and antiarrhythmic actions. Ann N Y Acad Sci432:210-35 (1984).
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