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    Mexiletine HCl (KOE-1173)
    Mexiletine HCl (KOE-1173)

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    This product is for research use only, not for human use. We do not sell to patients.
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    InvivoChem Cat #: V1657
    CAS #: 5370-01-4Purity ≥98%

    Description: Mexiletine HCl (Mexitil, Mexiletene, KO-1173, KO 1173; KO1173), the hydrochloride salt of Mexiletine, is an anti-arythmic drug of the Class IB group approved for use in the treatment of abnormal heart rhythms. It act as a non-selective voltage-gated sodium channel blocker that inhibits sodium channels. Mexiletine is also a local anesthetic which is structurally similar to lidocaine. 

    References: Curr Med Chem. 2015;22(11):1400-13; Curr Pain Headache Rep. 2010 Apr;14(2):145-50.

    Related CAS #: 31828-71-4 (free)   5370-01-4 (HCl)  

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    Molecular Weight (MW)215.72 
    CAS No.5370-01-4 
    Storage-20℃ for 3 years in powder form
    -80℃ for 2 years in solvent
    Solubility (In vitro)DMSO: 43 mg/mL (199.3 mM) 
    Water: 43 mg/mL (199.3 mM) 
    Ethanol: 43 mg/mL (199.3 mM) 
    Other info

    Chemical Name: 1-(2,6-dimethylphenoxy)propan-2-amine hydrochloride


    InChi Code: InChI=1S/C11H17NO.ClH/c1-8-5-4-6-9(2)11(8)13-7-10(3)12;/h4-6,10H,7,12H2,1-3H3;1H

    SMILES Code: CC(N)COC1=C(C)C=CC=C1C.[H]Cl           

    SynonymsKO1173; Mexiletine, Mexitil, Mexiletene, KO-1173, KO 1173

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    In Vitro

    In vitro activity: Mexiletine is a local anesthetic, antiarrhythmic agent (Class Ib), structurally similar to lidocaine, but orally active. Mexiletine, inhibits the inward sodium current required for the initiation and conduction of impulses, thus reducing the rate of rise of the action potential. It achieves this reduced sodium current by inhibiting sodium channels. Mexiletine decreases the effective refractory period (ERP) in Purkinje fibers in the heart. The decrease in ERP is of lesser magnitude than the decrease in action potential duration (APD), which results in an increase in the ERP/APD ratio. It does not significantly affect resting membrane potential or sinus node automaticity, left ventricular function, systolic arterial blood pressure, atrioventricular (AV) conduction velocity, or QRS or QT intervals

    In VivoMexiletine has fast onset and offset kinetics, meaning that they have little or no effect at slower heart rates, and more effects at faster heart rates. It shortens the action potential duration, reduces refractoriness, and decreases Vmax in partially depolarized cells with fast response action potentials. Mexiletine either does not change the action potential duration, or decreases the action potential duration. Mexiletine is well absorbed (bioavailability 90%) from the gastrointenstinal tract.  
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    Formulation & Dosage

    Curr Med Chem. 2015;22(11):1400-13; Curr Pain Headache Rep. 2010 Apr;14(2):145-50.  

    These protocols are for reference only. InvivoChem does not independently validate these methods.


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