Norverapamil ((±)-Norverapamil), an N-demethylated metabolite of Verapamil, is a L-type calcium channel blocker and a P-glycoprotein (P-gp) function inhibitor.

Gallopamil hydrochloride (Methoxyverapamil hydrochloride), a methoxy derivative of Verapamil, is a phenylalkylamine calcium antagonist. Gallopamil hydrochloride inhibits acid secretion in a concentration-dependent manner with an IC50 of 10.9 μM. Gallopamil hydrochloride is a potent antiarrhythmic and vasodilator agent.

(R)-Lercanidipine hydrochloride is the R-enantiomer of Lercanidipine. (R)-lercanidipine hydrochloride is a calcium channel blocker.

(S)-Lercanidipine hydrochloride is the S-enantiomer of Lercanidipine hydrochloride. (S)-lercanidipine hydrochloride is a potent calcium channel blocker.

Methyl homoveratrate, a metabolite of RWJ-26240 in vivo, can be identified in plasma, urine and faecal extract. McN5691 (RWJ-26240) is a voltage-sensitive calcium channel blocker.

TTA-A2 is a potent, selective and orally active t-type voltage gated calcium?channel antagonist with reduced pregnane X receptor (PXR) activation. TTA-A2 is equally potent against the Cav3.1 (a1G) and Cav3.2 (a1H) channels with IC50 values of 89 nM and 92 nM, respectively, at -80 and -100 mV holding potentials. TTA-A2 can be used for the research of a variety of human neurological diseases, including sleep disorders and epilepsy.

Isotachysterol 3 is an analog of 1,25-dihydrox Vitamin D3. Isotachysterol 3 stimulates intestinal calcium transport and bone calcium mobilization in anephric rats.

Ned-K is a nicotinic acid adenine dinucleotide phosphate (NAADP) antagonist. Ned-K is effective at dampening simulated ischaemia and reperfusion (sIR)-induced Ca2+ oscillations in cardiomyocytes.

TPC2-A1-N is a novel, lipophilic, membrane permeable isoform-selective small molecule agonist of two-pore channel 2 (TPC2). TPC2-A1-N plays its role by mimicking the physiological actions of NAADP and PI(3,5)P2?through independent binding sites. TPC2-A1-N has inverse effects on key lysosomal activities and increases the pH in the lysosomal lumen in a TPC2-dependent manner.

Urolithin C, a gut-microbial metabolite of Ellagic acid, is a glucose-dependent activator of insulin secretion. Urolithin C is a L-type Ca2+ channel opener and enhances Ca2+ influx. Urolithin C induces cell apoptosis through a mitochondria-mediated pathway and also stimulates reactive oxygen species (ROS) formation.

Calcium ionophore I (ETH 1001) is a selective Ca2+ ionophore for biological membranes. Calcium ionophore I can be used in Ca2+-selective microelectrodes that can be used for quantitative intracellular measurements of resting Ca2+-activities and of slowly changing Ca2+-levels.

NSC-609249 hydrochloride is an impurity of Verapamil. Verapamil is a calcium channel blocker and a potent and orally active first-generation P-glycoprotein (P-gp) inhibitor.

SR33805 is a potent Ca2+ channel antagonist, with EC50s of 4.1 nM and 33 nM in depolarized and polarized conditions, respectively. SR33805 blocks L-type but not T-type Ca2+ channels. SR33805 can be used for the research of acute or chronic failing hearts.

Bepridil hydrochloride hydrate ((±)-Bepridil hydrochloride hydrate) is a non-selective, long-acting Ca+ channel antagonist and Na+, K+ channel inhibitor, with antianginal and type I antiarrhythmic effects. Bepridil hydrochloride hydrate also acts as a cardiac Na+/Ca2+ exchange (NCX1) inhibitor. Bepridil hydrochloride hydrate can be used for the research of cardiovascular disorders.

β-Cyfluthrin (beta-Cyfluthrin) is a type II synthetic pyrethroid and also an active ingredient of many insecticide products used for pestsin agriculture. β-Cyfluthrin is a neurotoxicant and affects calcium concentration in nervous tissue by inhibiting Ca2+ ATPase involved in calcium transport.

ω-Conotoxin MVIIC is a N- and P/Q-type Ca2+ channel blocker, significantly suppresses the 11-keto-βboswellic acid-mediated inhibition of glutamate release.

ω-Conotoxin MVIIC TFA is a N- and P/Q-type Ca2+ channel blocker, significantly suppresses the 11-keto-βboswellic acid-mediated inhibition of glutamate release.

ω-Conotoxin GVIA is an inhibitor of the N-type Ca2+ channel.

ω-Conotoxin GVIA TFA is an inhibitor of the N-type Ca2+ channel.

ProTx-I, a venom toxin of the tarantula Thrixopelma pruriens, is a potent, selective CaV3.1 channel blocker with IC50 values of 0.2 μM and 31.8 μM for hCaV3.1 and hCaV3.2 respectively. ProTx-I is also a potent blocker for voltage-gated Na+ channels and inhibits KV 2.1 channels.

SNX-482, a peptidyl toxin of the spider Hysterocrates gigas, is a potent, high affinity, selective and voltage-dependent R-type CaV2.3 channel blocker with an IC50 of 30 nM. SNX-482 has antinociceptive effect.

CALP2 is a calmodulin (CaM) antagonist ( (Kd of 7.9 μM)) with high affinity for binding to the CaM EF-hand/Ca2+-binding site. CALP2 inhibits CaM-dependent phosphodiesterase activity and increases intracellular Ca2+ concentrations. CALP2 potently inhibits of adhesion and degranulation. CALP2 is also a strong activator of alveolar macrophages.