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    Ranolazine (CVT303, RS43285-003; Ranexa)
    Ranolazine (CVT303, RS43285-003; Ranexa)

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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 #: V0377
    CAS #: 95635-55-5Purity ≥98%

    Description: Ranolazine (formerly CVT-303, RS 43285-003; brand name Ranexa) is a approved anti-angina drug used to treat chronic angina. Ranolazine acts as a calcium uptake inhibitor via the sodium/calcium channel. As an anti-ischemic agent, it inhibits late sodium current that results in a reduction of Na+ dependent Ca2+ overload. 

    References: Heart. 2006 Jul;92 Suppl 4:iv6-iv14; Circulation. 1996 Jan 1;93(1):135-42.

    Related CAS #: 95635-56-6 (HCl)  95635-55-5 (free base)   

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    Molecular Weight (MW)427.54
    CAS No.95635-55-5
    Storage-20℃ for 3 years in powder form
    -80℃ for 2 years in solvent
    Solubility (In vitro)DMSO: 86 mg/mL (201.2 mM)
    Water: <1 mg/mL
    Ethanol: 20 mg/mL (46.8 mM)
    SynonymsRanolazine Dihydrochloride; CVT 303, RS 43285-003; Ranolazine; S 43285; RS-43285; RS43285; CVT-303; CVT303; Ranexa; Latixa; Ranolazine HCl; Ranolazine Hydrochloride.

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    In Vitro

    In vitro activity: Ranolazine selectively inhibits late I(Na), reduces [Na(+)](i)-dependent calcium overload and attenuates the abnormalities of ventricular repolarisation and contractility that are associated with ischaemia/reperfusion and heart failure in myocardial cells. Ranolazine significantly and reversibly shortens the action potential duration (APD) of myocytes stimulated at either 0.5 Hz or 0.25 Hz in a concentration-dependent manner in left ventricular myocytes of dogs. Ranolazine at 5 and 10 mM reversibly shortens the duration of twitch contractions (TC) and abolished the after contraction. Ranolazine is found to bind more tightly to the inactivated state than the resting state of the sodium channel underlying I(NaL).

    In VivoRanolazine (10 mM) significantly increases glucose oxidation 1.5-fold to 3-fold under conditions in which the contribution of glucoseto overall ATP production is low (low Ca, high FA, with insulin), high (high Ca, low Fa, with pacing), or intermediate in working hearts. Ranolazine similarly increases glucose oxidation in normoxic Langendorff hearts (high Ca, low FA; 15 mL/min). Ranolazine also significantly increases it during flow reduction to 7 mL/min, 3 mL/min, and 0.5 mL/min. Ranolazine significantly improves functional outcome, which is associated with significant increases in glucoseoxidation, a reversal of the increased FA oxidation seen in control reperfusions (versus preischemic), and a smaller but significant increase in glycolysis in reperfuse dischemic working hearts. 
    Animal modelRats: Ranolazine (Bolus injection 10 mg/kg and infusion 9.6 mg/kg/h; bolus injection; for 145 minutes; male Wistar rats) treatment significantly reduces infarct size and cardiac troponin T release in rats subjected to left anterior descending coronary artery occlusion-reperfusion
    Formulation & DosageBolus injection 10 mg/kg and infusion 9.6 mg/kg/h; bolus injection

    Heart. 2006 Jul;92 Suppl 4:iv6-iv14; Circulation. 1996 Jan 1;93(1):135-42. 

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


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