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-121535
    Levosemotiadil
    		Inhibitor
    Levosemotiadil, an S-isomer of semotiadil, exhibits stronger binding affinity to human serum albumin (HSA) compared to its R-isomer counterpart. This study utilized high-performance frontal analysis (HPFA) to demonstrate that levosemotiadil binds approximately three times more strongly to HSA than semotiadil. The binding parameters were evaluated using Scatchard analysis, revealing specific interactions with the diazepam binding site on HSA. The presence of diazepam decreased the binding affinity of both enantiomers, while warfarin did not alter their binding characteristics. These findings highlight levosemotiadil's potential as a Ca- and Na-channel blocker with significant binding preferences for HSA, crucial for understanding its pharmacokinetics and therapeutic effects.
    Levosemotiadil
  • HY-Z8176
    (Z)-Flunarizine
    		Inhibitor
    (Z)-Flunarizine is the (Z)-isomer of Flunarizine (HY-B0358). Flunarizine is a potent dual Na+/Ca2+ channel (T-type) blocker. Flunarizine is a D2 dopamine receptor antagonist. Flunarizine shows anticonvulsive and antimigraine activity, and peripheral vasodilator effects.
    (Z)-Flunarizine
  • HY-162757
    Anticonvulsant agent 5
    		Modulator
    Anticonvulsant agent 5 (Compound 5c) exhibits high affinity for GABAA receptors and NaV1.3 receptors. Anticonvulsant agent 5 shows anticonvulsant efficacy in mice psychomotor epilepsy test with an ED50 of 107 mg/kg. Anticonvulsant agent 5 exhibits neuroprotective activity against Kainic acid (HY-N2309) with an IC50 of 113 μM. Anticonvulsant agent 5 is blood-brain barrier (BBB) penetrable.
    Anticonvulsant agent 5
  • HY-111245
    AZD-1305
    		Inhibitor
    AZD-1305 is an antiarrhythmic agent and atrial selective sodium channel/potassium channel blocker, which can significantly prolongs action potential duration and reduces excitability, cause atrial selective ERP prolongation and acute termination of atrial fibrillation. AZD1305 can be used for atrial fibrillation research.
    AZD-1305
  • HY-174845
    Nav1.8-IN-20
    		Inhibitor
    Nav1.8-IN-20 (Compound I) is an orally active and potent voltage-gated sodium channel Nav1.8 inhibitor with an IC50 value of 14 nM. Nav1.8-IN-20 blocks the generation and conduction of action potentials in peripheral nociceptive neurons, exerting analgesic effects. Nav1.8-IN-20 is promising for research of various pain types such as acute pain, chronic pain, inflammatory pain, and neuropathic pain.
    Nav1.8-IN-20
  • HY-160663
    Nav1.7 blocker 1
    Nav1.7 blocker 1 (example 41) is a Na+ channel (Nav) blocker with an IC50 value of 0.037 μM. Nav1.7 blocker 1 can be used for the study of pain, including neuropathic pain, postoperative pain, inflammatory pain, and so on.
    Nav1.7 blocker 1
  • HY-P5942
    Pterinotoxin-2
    		Inhibitor
    Pterinotoxin-2 is a sodium channel inhibitor peptide toxin.
    Pterinotoxin-2
  • HY-B0703S
    Eslicarbazepine acetate-d4
    		Inhibitor
    Eslicarbazepine acetate-d4 is deuterated labeled Eslicarbazepine acetate (HY-B0703). Eslicarbazepine acetate (BIA 2-093), an antiepileptic agent, is a dual a dual Inhibitor of β-Secretase and voltage-gated sodium channel.
    Eslicarbazepine acetate-d4
  • HY-P5784
    δ-Buthitoxin-Hj1a
    		Agonist
    δ-Buthitoxin-Hj1a, a scorpion-venom peptide, is a potent NaV1.1 agonist with an EC50 of 17nM. δ-Buthitoxin-Hj1a can be used for the Dravet syndrome (DS) research.
    δ-Buthitoxin-Hj1a
  • HY-P2707
    α-Dendrotoxin
    		Inhibitor
    α-Dendrotoxin (α-DTX) is a small molecule peptide neurotoxin isolated from the venom of the African green mamba snake (Dendroaspis angusticeps). α-Dendrotoxin is also a KV1.1, KV1.2, KV1.6 and ASIC channel blocker. α-Dendrotoxin blocks potassium channels, lowers the threshold of neuronal action potentials, and increases the frequency of action potentials, thereby enhancing neuronal excitability. α-Dendrotoxin can be used in neurotoxicology research.
    α-Dendrotoxin
  • HY-P1218A
    Phrixotoxin 3 TFA
    		Inhibitor
    Phrixotoxin 3 TFA is a potent blocker of voltage-gated sodium channels, with IC50s of 0.6, 42, 72, 288, 610 nM for NaV1.2, NaV1.3, NaV1.4, NaV1.1 and NaV1.5, respectively. Phrixotoxin 3 TFA modulates voltage-gated sodium channels with properties similar to those of typical gating-modifier toxins, both by causing a depolarizing shift in gating kinetics and by blocking the inward component of the sodium current.
    Phrixotoxin 3 TFA
  • HY-B1203R
    Fludrocortisone (Standard)
    		Inhibitor
    Fludrocortisone (Standard) is the analytical standard of Fludrocortisone. This product is intended for research and analytical applications. Fludrocortisone inhibits natriuresis. Fludrocortisone is a synthetic mineralocorticoid with anti-inflammatory activity. Fludrocortisone can be studied in research for small cell lung cancer with profound hyponatremia and acute neurological symptoms as well as aneurysmal subarachnoid hemorrhage.
    Fludrocortisone (Standard)
  • HY-107370
    Atomoxetine
    		Inhibitor
    Atomoxetine (Tomoxetine) is a selective noradrenaline reuptake inhibitor with Ki values of 5, 77 and 1451 nM for norepinephrine (NE), serotonin (5-HT) and dopamine (DA) transporters, respectively. Atomoxetine (Tomoxetine) increases of DAEX and NEEX in the PFC and enhances catecholaminergic neurotransmission. Atomoxetine (Tomoxetine) is a potent Na+ channels (VGSCs) blocker. Atomoxetine (Tomoxetine) can be used for attention-deficit hyperactivity disorder (ADHD) research.
    Atomoxetine
  • HY-B1430R
    Butamben (Standard)
    		Inhibitor
    Butamben (Standard) is the analytical standard of Butamben. This product is intended for research and analytical applications. Butamben (Butyl 4-aminobenzoate) results in long-lasting relief from pain, without impairing motor function or other sensory functions.
    Butamben (Standard)
  • HY-160592
    Nav1.8-IN-11
    		Inhibitor
    Nav1.8-IN-11 (Example 1) is a Nav1.8 channel inhibitor with a IC50 value of 0.1 nM. Nav1.8-IN-11 can be used in the study of pain disorders.
    Nav1.8-IN-11
  • HY-10672
    Urotensin-II receptor antagonist-1
    		Inhibitor
    Urotensin-II receptor antagonist-1 (compound 1) is a low oral bioavailability (F=0-3%, rat) selective human Urotensin II receptor antagonist, Ki=16 nM (test on HEK293 cells expressing recombinant human UT receptor). Urotensin-II receptor antagonist-1 inhibits cytochrome P450 (IC50=0.75 μM, CYP2D6; 1.4 μM, CYP3A4), inhibits κ-opioid receptor (EC50=3.2 μM), targets cardiac sodium channels (Ki=2.5 μM).
    Urotensin-II receptor antagonist-1
  • HY-118050
    L589420-0-2
    		Inhibitor
    L589420-0-2 (L-420) is a sodium pump inhibitor with inhibitory activity in human erythrocytes. L589420-0-2 can regulate the concentration of intracellular sodium ions, thereby affecting the electrophysiological properties of cells. L589420-0-2 may also play an important role in the inhibition of cardiovascular diseases.
    L589420-0-2
  • HY-B0575S
    Triamterene-d5
    		Inhibitor 99.82%
    Triamterene-d5 is deuterium labeled Triamterene, which can block epithelial Na+ channel (ENaC) in a voltage-dependent manner, which used as a mild diuretic.
    Triamterene-d<sub>5</sub>
  • HY-B0612B
    (S)-Lercanidipine
    (S)-Lercanidipine is a calcium channel blocker with antihypertensive and neuroprotective activities. (S)-Lercanidipine reduces oxidative stress and protects auditory sensory hair cells from noise-induced damage. (S)-Lercanidipine showed significant protective effects on cell viability in in vitro experiments, especially at low concentrations. (S)-Lercanidipine has been found to effectively reduce the hearing threshold of mice after noise stimulation and protect the survival of outer hair cells. The antioxidant properties of (S)-Lercanidipine are reflected in its increased expression of antioxidant enzyme genes and decreased expression of oxidative enzyme genes. (S)-Lercanidipine administration is effective in reducing noise-induced hearing loss both before and after noise exposure. (S)-Lercanidipine may alleviate noise-induced hearing loss and protect the survival of outer hair cells through its antioxidant mechanism.
    (S)-Lercanidipine
  • HY-B1657AS
    Fosphenytoin-d10 disodium
    		Antagonist
    Fosphenytoin-d10 (disodium) is deuterium labeled Fosphenytoin (disodium). Fosphenytoin sodium is a phenytoin proagent with similar anticonvulsant properties. Its main mechanism is to block frequency-dependent, use-dependent and voltage-dependent neuronal sodium channels, and therefore limit repetitive firing of action potentials.
    Fosphenytoin-d<sub>10</sub> disodium
Cat. No. Product Name / Synonyms Application Reactivity
Sodium Channel Isoform Comparison

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