2. Signaling Pathways
  3. Membrane Transporter/Ion Channel
  4. Sodium Channel

Sodium Channel

Na channels; Na+ channels

Sodium Channel

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Sodium channels are integral membrane proteins that form ion channels, conducting sodium ions (Na+) through a cell's plasma membrane. They are classified according to the trigger that opens the channel for such ions, i.e. either a voltage-change (Voltage-gated, voltage-sensitive, or voltage-dependent sodium channel also called VGSCs or Nav channel) or a binding of a substance (a ligand) to the channel (ligand-gated sodium channels). In excitable cells such as neurons, myocytes, and certain types of glia, sodium channels are responsible for the rising phase of action potentials. Voltage-gated Na+ channels can exist in any of three distinct states: deactivated (closed), activated (open), or inactivated (closed). Ligand-gated sodium channels are activated by binding of a ligand instead of a change in membrane potential.

Sodium Channel Isoform Specific Products:

Sodium Channel Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-156976
    Sulcardine
    		Inhibitor
    Sulcardine is a multi-ion channel blocker that can reduce INa and ICa with IC50 values of 26.9 µM and 69.2 µM, respectively. Sulcardine is a potent hNav1.5 channel blocker with a mild inhibitory effect on hERG channels. Sulcardine has anti-arrhythmic effects.
    Sulcardine
  • HY-P5780
    π-TRTX-Hm3a
    		Inhibitor
    π-TRTX-Hm3a is a 37-amino acid peptide isolated from Togo starburst tarantula (Heteroscodra maculata) venom. π-TRTX-Hm3a pH-dependently inhibits acid-sensing ion channel 1a (ASIC1a) with an IC50 of 1-2 nM and potentiates ASIC1b with an EC50 of 46.5 nM.
    π-TRTX-Hm3a
  • HY-P5152
    Scorpion toxin Tf2
    		Activator
    Scorpion toxin Tf2 is a β-scorpion toxin, which is firstly identified in the venom of the Brazilian scorpion Tityus fasciolatus. Scorpion toxin Tf2 is a Nav1.3 activator, which is a neuronal voltage-gated sodium (Nav) subtype implicated in epilepsy and nociception. Scorpion toxin Tf2 enhances hNav1.3 activation voltage and opens the channel at resting membrane potentials.
    Scorpion toxin Tf2
  • HY-110234R
    Topiramate D12 (Standard)
    		Inhibitor
    Topiramate D12 (Standard) is the analytical standard of Topiramate D12. This product is intended for research and analytical applications. Topiramate D12 (McN 4853 D12) is a deuterium labeled Topiramate. Topiramate is a broad-spectrum antiepileptic agent. Topiramate is a GluR5 receptor antagonist. Topiramate produces its antiepileptic effects through enhancement of GABAergic activity, inhibition of kainate/AMPA receptors, inhibition of voltage-sensitive sodium and calcium channels, increases in potassium conductance, and inhibition of carbonic anhydrase.
    Topiramate D12 (Standard)
  • HY-W707539
    Carisbamate-d215N
    Carisbamate-d2,-15N (RWJ-333369-d2,-15N) is the deuterium labeled Carisbamate (HY-14948). Carisbamate (RWJ-333369) is an orally active neuromodulator. Carisbamate prevents the development and production of epilep-like discharges and has a neuroprotective effect after in vitro epilepticus-like injury. Carisbamate has good antiepileptic activity in genetic models of generalized and nonconvulsive epilepsy.
    Carisbamate-d<sub>2</sub,-<sup>15</sup>N
  • HY-172246
    Zilvetrigine
    		Inhibitor
    Zilvetrigine is a sodium channel blocker. Zilvetrigine can be used as analgesics.
    Zilvetrigine
  • HY-123414
    GX-936
    		Inhibitor
    GX-936 (PF-05196233), a potent and Nav1.7-subtype selective inhibitor, binds to the activated state of voltage-sensor domain IV (VSD4).
    GX-936
  • HY-B0185BR
    Lidocaine hydrochloride hydrate (Standard)
    		Inhibitor
    Lidocaine (hydrochloride hydrate) (Standard) is the analytical standard of Lidocaine (hydrochloride hydrate). This product is intended for research and analytical applications. Lidocaine (Lignocaine) hydrochloride hydrate inhibits sodium channels involving complex voltage and using dependence. Lidocaine hydrochloride hydrate decreases growth, migration and invasion of gastric carcinoma cells via up-regulating miR-145 expression and further inactivation of MEK/ERK and NF-κB signaling pathways. Lidocaine hydrochloride hydrate is an amide derivative and has potential for the research of ventricular arrhythmia.
    Lidocaine hydrochloride hydrate (Standard)
  • HY-119980A
    Fluphenazine dimaleate
    		Inhibitor
    Fluphenazine dimaleate is a potent, orally active phenothiazine-based dopamine receptor antagonist. Fluphenazine dimaleate blocks neuronal voltage-gated sodium channels. Fluphenazine dimaleate acts primarily through antagonism of postsynaptic dopamine-2 receptors in mesolimbic, nigrostriatal, and tuberoinfundibular neural pathways. Fluphenazine dimaleate can antagonize Methylphenidate-induced stereotyped gnawing and inhibit climbing behaviour in mice. Fluphenazine dimaleate can be used for researching psychosis and painful peripheral neuropathy associated with diabetes and has potential to inhibit SARS-CoV-2.
    Fluphenazine dimaleate
  • HY-P5899
    Mambalgin-3
    		Inhibitor
    Mambalgin-3 is an acid-sensitive ion channel 1 (ASIC1) inhibitor. Mambalgin-3 can be used in the study of analgesia.
    Mambalgin-3
  • HY-155236
    Ancistrotecine B
    		Inhibitor
    Ancistrotecine B (Compound 2) is a Nav1.7 channel inhibitor (IC50: 0.73 μM). Ancistrotecine B relieves inflammatory pain in mice.
    Ancistrotecine B
  • HY-A0093R
    Mexiletine hydrochloride (Standard)
    		Inhibitor
    Mexiletine (hydrochloride) (Standard) is the analytical standard of Mexiletine (hydrochloride). This product is intended for research and analytical applications. Mexiletine is an orally effective antiarrhythmic agent which has also been found to be effective for myotonia and neuropathic pain. Mexiletine exerts its efficacy through blocking sodium channels (IC50 : 75±8 μM for tonic block, 23.6±2.8 μM for use-dependent block), therefore can be used for cardiovascular and neurological research.
    Mexiletine hydrochloride (Standard)
  • HY-115839A
    Detajmium L-tartrate
    		Inhibitor
    Detajmium (L-tartrate) is an antiarrhythmic compound. Detajmium has effect on V max in both dog ventricular muscle and Purkinje fibers was frequency dependent.
    Detajmium L-tartrate
  • HY-B1656
    Fomocaine
    		Inhibitor
    Fomocaine (P 652) is an orally active local agent that can suppress or relieve pain. Fomocaine shows antiarrhythmic activity.
    Fomocaine
  • HY-136995
    AFD-21 maleate
    AFD-21 maleate is a drug with antiarrhythmic activity. AFD-21 maleate inhibits sodium channels by binding to sodium channels in an inactive state, with both use-dependent and voltage-dependent effects. The unbinding rate of AFD-21 maleate is similar to that of Class I antiarrhythmic drugs with moderate kinetics. AFD-21 maleate can cause a slight prolongation of the action potential duration and significantly reduce the maximum rise rate of the action potential at certain concentrations. AFD-21 maleate also showed use-dependent blocking effects as stimulation frequency increased.
    AFD-21 maleate
  • HY-P1084A
    β-Pompilidotoxin TFA
    		Activator
    β-Pompilidotoxin TFA (β-PMTX TFA), a wasp venom, can slow sodium channel inactivation and increases steady-state sodium current in cells.
    β-Pompilidotoxin TFA
  • HY-178281
    E0199
    		Inhibitor
    E0199 is a novel potent dual-target KV7/NaV modulator that activates the KV7 channel (KV7.2/7.3 (EC50 = 12.78 nM), KV7.2 (EC50 = 0.50 μM), and KV7.5 (EC50 = 27.14 nM) channels) while simultaneously blocks the NaV1.7 (IC50 = 0.52 μM), NaV1.8 (IC50 = 0.24 μM), and NaV1.9 (IC50 = 0.16 μM) channels. E0199 shows a potent analgesic effect without affecting heart and skeletal muscle ion channels critically in a chronic constriction injury (CCI) mouse model. E0199 can be used for Neuropathic pain (NP) research.
    E0199
  • HY-178963
    Nav1.2-IN-2
    		Inhibitor
    Nav1.2-IN-2 (Compound 1) is a Nav1.2 inhibitor with an IC₅₀ for inactivating Nav1.2 of 0.18 μM. Nav1.2-IN-2 can effectively suppress the amplitude and frequency of spontaneous synchronous calcium oscillations (SCOs), with IC₅₀ values of 0.38 μM and 0.88 μM respectively. Nav1.2-IN-2 inhibits Ca2+ influx induced by Veratridine (HY-N6691), with an IC₅₀ of 1.89 μM. Nav1.2-IN-2 can be used for the study of diseases such as epilepsy.
    Nav1.2-IN-2
  • HY-W702016
    Bupivacaine-d9 hydrochloride
    Bupivacaine-d9 hydrochloride is the deuterium labeled Bupivacaine hydrochloride (HY-B0405A). Bupivacaine hydrochloride is a NMDA receptor inhibitor.Bupivacaine can block sodium, L-calcium, and potassium channels.Bupivacaine potently blocks SCN5A channels with the IC50 of 69.5 μM. Bupivacaine hydrochloride can be used for the research of chronic pain.
    Bupivacaine-d<sub>9</sub> hydrochloride
  • HY-P5872
    Jingzhaotoxin XI
    		Inhibitor
    Jingzhaotoxin XI (JZTX-XI) is a sodium conductance inhibitor with an IC50 of 124 nM. Jingzhaotoxin XI slows the fast inactivation (EC50=1.18±0.2 μM) of Nav1.5 expressed in Chinese hamster ovary (CHO-K1) cells.
    Jingzhaotoxin XI
Cat. No. Product Name / Synonyms Application Reactivity
Sodium Channel Isoform Comparison

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