Protokylol (Caytine; JB-251) is a beta-adrenergic receptor agonist and TRPV1 agonist. Protokylol is used as a bronchodilator.

TRPC6 inhibitor is a potent TRPC6(Transient receptor potential cation channel, subfamily C, member 6) inhibitor.

SB-705498 is a potent, selective and orally bioavailable transient receptor potential vanilloid 1 (TRPV1) receptor antagonist with a pIC50 of 7.1.

SB-366791 is a selective and competitive VR1 (TRPV1) antagonist that is commonly used in pain research.

RN-1734 is a transient receptor potential vanilloid 4 (TRPV4) antagonist, blocking calcium influx induced by the TRPV4 agonist 4α-phorbol 12,13-didecanoate with IC50 values of 2.3, 5.9, and 3.2 µM for human, mouse, and rat TRPV4, respectively.

ML-SI3 is a potent TRPML channel inhibitor with IC50s of 4.7 µM and 1.7 µM for TRPML1 and TRPML2, respectively.

HC-067047 is a potent and selective TRPV4 antagonist with IC50 values of 48 ± 6 nM, 133 ± 25 nM, and 17 ± 3 nM, respectively in human, rat, and mouse. Also inhibits the endogenous TRPV4-mediated response to 4α-PDH (IC50 = 22 nM).

GSK1016790A is a novel and potent TRPV4 channel agonist.

Clemizole is a H1 histamine receptor antagonist.Recently, researchers have identified that clemizole hydrochloride can inhibit NS4B's RNA binding and hepatitis C virus (HCV) replication.

ASP 7663 is a selective TRPA1 activator (EC50 values are ~0.5 μM in human, mouse and rat).

Farnesyl pyrophosphate, a 15-carbon isoprenoid, is a metabolic intermediate of the mevalonate (MVA) pathway. Farnesyl pyrophosphate is a TRPM2 (TRP Channel) agonist, activates TRPM2 opening for ion influx. Farnesyl pyrophosphate is a key branch substrate for cholesterol synthesis, ubiquinones synthesis, protein farnesylation decoration, and geranyl-geranyl pyrophosphate (GGPP) synthesis.

Pinokalant is a broad-spectrum and non-selectivecation channel inhibitor. Pinokalant significantly reduces cortical infarct volume. Pinokalant o improves the metabolic and electrophysiologic status of the ischemic penumbra. Pinokalant reduces lesion size on magnetic resonance images in the acute phase following middle cerebral artery occlusion in rats. Pinokalant has the potential for the research of stroke. Pinokalant also shows anti-SARS-CoV-2 activity.

ML 204 isa blocker of TRPC4 channels (IC50 values are 0.96 and 2.6 μM in fluorescent and electrophysiological assays, respectively).

Optovin is a reversible photoactive TRPA1 activator.

AMG9678 is a potent, selective, orally active antagonist of TRPM8 with an IC50 of 31.2 nM.

AMG8788 is a potent, selective, orally active antagonist of TRPM8 with an IC50 of 63.2 nM.

FEMA 4809 is a TRPM8 receptor agonist (EC50=0.2 nM) for use as a cooling agent. TRPM8 is the ion channel responsible for the cool perception.

A-784168 is a potent and orally active inhibitor of vanilloid receptor type 1 (TRPV1). Vanilloid receptor type 1 (TRPV1) is a ligand-gated nonselective cation channel that is considered to be an important integrator of various pain stimuli such as endogenous lipids, capsaicin, heat, and low pH. A-784168 has good CNS penetration.

(E)-4-Oxo-2-nonenal (4-ONE) is one of the major hemolytic decomposition products of lipid hydroperoxides. (E)-4-Oxo-2-nonenal is a major product of the FeII-mediated breakdown of lipid hydroperoxides. (E)-4-Oxo-2-nonenal is a potent transient receptor potential ankyrin 1 (TRPA1) agonist.

RQ-00203078 is a potent TRPM8 antagonist (IC50 values are 5.3 and 8.3 nM for rat and human channels respectively).

SKF96365 is blocker of TRP cation channels. Inhibits capacitative Ca2+ entry.

TRPM8 Antagonist is a potent and selective TRPM8 antagonist, with an IC50 of 0.2 nM, used in the research of neuropathic pain syndromes.

tatM2NX is a novel potent, selective, cell permeable, peptide TRPM2 channel antagonist with IC50 of 396 nM, IC90 of 2 uM (TRPM2 channel currents), prevents ligand binding and TRPM2 activation.tatM2NX interacts with the ADPR binding site on the NUT9-H domain of TRPM2 channel. tatM2NX inhibits TRPM2-mediated dephosphorylation of GSK3β (activation), tatM2NX demonstrated selective neuroprotective effects in a mouse model of focal ischemia (stroke).

SH045 (SH-045, Larixyl-6-N-methylcarbamate) is a potent, selective TRPC6 antagonist (blocker) with IC50 of 63 nM.SH045 displays 13-fold subtype selectivity over TRPC3 in stably expressing HEK293 cells.Treatment of isolated perfused lung preparations with SH045 led to a decrease in lung ischemia-reperfusion edema (LIRE), a life-threatening condition associated with TRPC6 that may occur after organ transplantation.

RGM8-51 is a β-lactam derivative, potent, selective TRPM8 antagonist with IC50 of 1.06 and 1.74 uM for rat and human TRPM8, respectively.RGM8-51 does not have any ability to activate TRPM8 channels, but produces a concentration-dependent inhibition of menthol activation.RGM8-51 is selective for cold-activated TRPM8 channels, displays no agonist or antagonist profile in cool-activated TRPA1 channels and has negligible activity as TRPV3 and ASIC3 channel antagonists.RGM8-51 (1 µM) inhibited menthol-activated currents in rTRPM8-expressing HEK293 cells.RGM8-51 exhibits in vivo antinociceptive activity in response to cold, in a mouse model of oxaliplatin-induced peripheral neuropathy.RGM8-51 reduces cold, mechanical and heat hypersensitivity in a rat model of neuropathic pain arising after chronic constriction of the sciatic nerve.RGM8-51 exhibits mechanical hypersensitivity-relieving activity, in a mouse model of NTG-induced hyperesthesia.

ML2-SA1 is a potent, selective and efficacious activator (agonist) of TRPML2 with EC50 of 1.24 uM and 2.38 uM for human and mouse TRPML2, respectively.ML2-SA1 displays high selectivity for TRPML2 and no significant activity at the related TRPML1 and TRPML3 channels.ML2-SA1 directly stimulates release of the chemokine CCL2 from macrophages, also stimulates macrophage migration, thus mimicking CCL2 function.

ML204 is a potent, selective antagonist of TRPC4 and TRPC5 channels, inhibits TRPC4β-mediated intracellular Ca(2+) rise with IC50 of 0.96 uM, exhibits 19-fold selectivity against TRPC6 channel; blocks TRPC4β currents activated through either μ-opioid receptor stimulation (50 nm DAMGO, IC50=3.55 uM) or intracellular dialysis of GTPγS (IC50=2.85 uM); shows no appreciable block by 10-20 uM for TRPV1, TRPV3, TRPA1, and TRPM8, as well as KCNQ2 and Nav Channels; also inhibits TRPC5 channel currents activated through co-stimulation of Gi/o and Gq/11 signaling by μ-opioid and M3-like muscarinic receptors.

KPR-5714 (KPR5714) is a novel potent, selective TRPM8 antagonist with IC50 of 25.3 and 22.4 nM against hTRPM8 and rTRPM8, respectively.KPR-5714 dispalys 400-fold against human TRPA1, TRPV1, and TRPV4, and does not show inhibitory effects for ASIC1a, ASIC3, Nav1.3, Nav1.5, Nav1.6, Nav1.7, and Nav1.8 (IC50 values >10 uM).KPR-5714 (i.p.) inhibited the hyperactivity of mechanosensitive C-fibers of bladder afferents and dose-dependently increased the intercontraction interval shortened by intravesical instillation of acetic acid in anesthetized rats.KPR-5714 (orally administered) dose-dependently increased the mean voided volume and decreased voiding frequency without affecting total voided volume in vivo.

JW-65 (JW65) is a selective, potent,CNS-permeable TRPC3 inhibitor improved stability compared to Pyr3.JW-65 shows similar potency and selectivity on TRPC3 channels, but is metabolically much more stable than its precursor, demonstrated by its much longer half-life (>4 h) in mouse, rat, and human liver microsomes when compared to Pyr3.JW-65-treated mice showed substantially decreased susceptibility to PTZ-induced seizures in a dose-dependent manner.

GSK205 derivative 16-8 is a specific small molecule dual-inhibitor of TRPV4 and TRPA1 with IC50 of 0.45 and 0.41 uM, respectively; displays no inhibitory potency toward TRPV1, TRPV2 and TRPV3; effectively attenuates formalin-evoked trigeminal irritant pain in model of acute pancreatitis.