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Mexiletine hydrochloride (KOE-1173 hydrochloride) is a voltage-gated sodium channel blocker and a Class IB antiarrhythmic drug. Mexiletine hydrochloride exerts antiarrhythmic effects by inhibiting sodium current in myocardial cells, thereby reducing the rise rate of cardiac action potential (phase 0) and reducing the automaticity of Purkinje fibers.
Pack Size | Price | Availability | Quantity |
---|---|---|---|
50 mg | $35 | In Stock | |
100 mg | $48 | In Stock | |
200 mg | $59 | In Stock | |
500 mg | $68 | In Stock | |
1 mL x 10 mM (in DMSO) | $50 | In Stock |
Description | Mexiletine hydrochloride (KOE-1173 hydrochloride) is a voltage-gated sodium channel blocker and a Class IB antiarrhythmic drug. Mexiletine hydrochloride exerts antiarrhythmic effects by inhibiting sodium current in myocardial cells, thereby reducing the rise rate of cardiac action potential (phase 0) and reducing the automaticity of Purkinje fibers. |
In vitro | Mexiletine shortened the cardiac Purkinje fiber effective response period (ERP) less than the action potential duration (APD), resulting in higher ERP/APD ratios.Mexiletine had no significant effect on atrioventricular conduction velocity, resting membrane potential, sinus node autoregulation, systolic arterial pressure, left ventricular function, or QRS or QT intervals. Mexiletine inhibits the inward flow of sodium ions through inhibition of sodium channels (requiring pulse initiation and conduction), which in turn reduces the rate of action potential elevation. |
In vivo | Mexiletine shortened the cardiac Purkinje fiber effective response period (ERP) less than the action potential duration (APD), resulting in higher ERP/APD ratios.Mexiletine had no significant effect on atrioventricular conduction velocity, resting membrane potential, sinus node autoregulation, systolic arterial pressure, left ventricular function, or QRS or QT intervals. Mexiletine inhibits the inward flow of sodium ions through inhibition of sodium channels (requiring pulse initiation and conduction), which in turn reduces the rate of action potential elevation. |
Alias | Mexiletine HCl, KOE-1173 (hydrochloride), KO1173 |
Molecular Weight | 215.72 |
Formula | C11H18ClNO |
Cas No. | 5370-01-4 |
Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. | |||||||||||||||||||||||||||||||||||
Solubility Information | DMSO: 50 mg/mL (231.78 mM) H2O: 21.6 mg/mL (100 mM) | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
H2O/DMSO
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