Ethacizine hydrochloride (Ethacizin; NIK-244) is a Class Ic antiarrhythmic agent, which means it is part of a group of drugs that primarily act by blocking sodium channels in the heart. This class of antiarrhythmic agents is known for their potent effects on slowing conduction in the heart, particularly in the atria, ventricles, and the His-Purkinje system.

ABBV-318 is a potent Nav1.7/ Nav1.8 blocker, with IC50s of 2.8 μM and 3.8 μM for hNav1.7 and hNav1.8, respectively. ABBV-318 can be used for the research of pain.

SSCI-2 is a highly potent, selective NaV1.7 inhibitor with IC50 of 9 and 17 nM on human and rhesus Nav1.7 channels, respectively.SSCI-2 showed robust selectivity over other human and rhesus Nav channel paralogs, with the exception of Nav1.2 channels (IC50 183 nM for hNaV1.2), shows no other channels and receptors in 114 enzymatic, radioligand binding, and cellular assays.SSCI-2 also exhibits high potency in manual patch clamp experiments (IC50=24/62 nM for huma/rhesus Nav1.7 channels).SSCI-2 inhibits withdrawal responses to noxious heat in rhesus monkeys.

BI 1265162 is a potent ENaC inhibitor, inhibits Na+ transport with IC50 3 nM and 8 nM in M1 and NCI-H441 cells, respectively.BI 1265162 dose-dependently inhibited Na+ transport and decreased water resorption in cell line models.BI 1265162 reduced liquid absorption in rat lungs and increased MCC in sheep, with no effects on renal function in the animal models.BI 1265162 alone and in combination with CF transmembrane conductance regulator (CFTR) modulators decreased water transport and increased MCC in both normal and CF airway human epithelial models.

Lacosamide (Vimpat; Erlosamide) is a medication developed for the adjunctive treatment of partial-onset seizures and diabetic neuropathic pain.

LTGO-33 is a potent, selective inhibitor of voltage-gated sodium channel NaV1.8 with IC50 of 44 nM (hNaV1.8), 600-fold selectivity against NaV1.1-NaV1.7 and NaV1.9.

Ancistrotecine B (Compound 2) is a Nav1.7 channel inhibitor (IC50: 0.73 μM). Ancistrotecine B relieves inflammatory pain in mice.

XPC-7224 is a potent, selective NaV1.6 inhibitor with IC50 of 78 nM and 130 nM for human and mouse NaV1.6, respectively, interacts with the inactivated state of the channel.

XPC-5462 is a potent, selective dual inhibitor of NaV1.6 and NaV1.2 with IC50 of 10.9 nM and 10.3 nM, respectively.

UTX-143 is a potent, selective sodium-hydrogen exchange subtype 5 (NHE5) inhibitor with IC50 of 3.11 uM, 80-fold selective over NHE1.

DS43260857 is a potent, selective NaV1.7 inhibitor with IC50 of 15 nM (hNaV1.7), shows 440-fold and 930-fold selectivity over hNaV1.1 and hNaV1.5, respectively.

BW-031 iodide is a potent cationic sodium channel inhibitor, inhibited Nav 1.7 (IC50=9.5 uM) and Nav 1.1 channels with approximately sixfold greater potency than QX-314.

BW-031 chloride is a potent cationic sodium channel inhibitor, inhibited Nav 1.7 (IC50=9.5 uM) and Nav 1.1 channels with approximately sixfold greater potency than QX-314.

Benzocaine is a local anesthetic.

Aneratrigine is a sodium channel protein type 9 subunit alpha blocker.

(-)-Sparteine sulfate pentahydrate is a class 1a antiarrhythmic agent and a sodium channel blocker.

PF-01247324 is an orally bioavailable, selective and potent NaV1.8 channel blocker that inhibits that exhibits analgesic efficacy in rodent behavioral models of pain.

GNE-131 is a novel NaV1.7 inhibitor with IC50 0.003uM,improving metabolic stability,efficacy in mouse IEM model at C-plasma <2.8uM.

NBI921352 is a Nav1.6 inhibitor with an IC50 value of 3.765 μM.

ORM‐11372 is a potent and highly selective NCX 1.1 inhibitor, inhibits human NCX 1.1 reverse and forward currents with IC50 of 5 and 6 nM respectively.ORM‐11372 weakly inhibits human cardiac sodium 1.5 (I Na) and hERG KV11.1 currents (I hERG) with IC50 of 23.2 and 10.0 uM.ORM‐11372 decreased both the outward and inward currents of hiPSC‐CMs with IC50 of 4.8 and 5.6 nM respectively, reduced the magnitude of outward I NCX (the reverse mode) in rat primary ventricular CMs with IC50 of 11.3 nM.ORM‐11372 concentration‐dependently inhibited the calcium efflux signa with an IC50 of 142 and 164 nM for experimental conditions increasing intracellular calcium and eliciting NCX forward mode activity, repectively.ORM‐11372 induced positive inotropic effects of 18 ± 6% and 35 ± 8% in anaesthetized rats with myocardial infarctions and in healthy rabbits respectively with no other haemodynamic effects.

AM-0466 is a potent and selective NaV1.7 Inhibitor (Nav 1.7 IC50 = 21 nM; Nav 1.5 IC50 =>30.0 uM. PXR = 22% @10 uM; CYP 2C9 IC50 = 4.6 uM; CYP3A4 TDI IC50 =>50.0 uM.).

Tenapanor is an inhibitor of the Na+/H+ exchanger NHE3 with IC50 values of 5 and 10 nM against human and Rat NHE3, respectively.

AnCoA4 (AnCoA-4, AnCoA 4) is a potent Orai1 channel inhibitor that inhibits store-operated calcium (SOC) with EC50 of 0.88 uM.

Carbamazepine, a sodium channel blocker, is an anticonvulsant drug.

PF-06869206 is an Orally Bioavailable Selective Inhibitors of the Sodium-Phosphate Cotransporter NaPi2a (SLC34A1).

PF 05089771 is a Nav1.7 channel blocker extracted from patent WO/2010/079443 A1, compound example 788, has an IC50 of 8.6 nM.

Ionophore suitable for the assay of sodium activity in blood, plasma, serum. etc. with a solvent polymeric membrane electrode.

ICA-121431 is a potent, selective inhibitor of the human Nav1.3 and Nav1.1 voltage gated sodium channels (IC50 = 19 nM) with little or no activity against human Nav1.5 or Nav1.7 channels.

CNV1014802(GSK-1014802) is a novel small molecule state-dependent sodium channel blocker; Nav1.7 sodium channel inhibitor.

A-803467 is a selective NaV1.8 channel blocker with IC50 of 8 nM.