17R(18S)-EpETE is an oxylipin and a cytochrome P450 metabolite of eicosapentaenoic acid .1,217R(18S)-EpETE is an activator of large-conductance calcium-activated potassium (BKCa) channels, increasing the potassium current amplitude by 15-fold in isolated rat cerebral artery vascular smooth muscle cells (VSMCs) at +60 mV when used at a concentration of 50 nM.2It has negative chronotropic effects in isolated neonatal rat cardiomyocytes (NRCMs; EC50= ~1-2 nM) and prevents calcium-induced increases in the spontaneous beating of NRCMs.3,4 1.Schwarz, D., Kisselev, P., Ericksen, S.S., et al.Arachidonic and eicosapentaenoic acid metabolism by human CYP1A1: Highly steroselective formation of 17(R), 18(S)-epoxyeicosatetraenoic acidBiochem. Pharmacol.67(8)1445-1457(2004) 2.Lauterbach, B., Barbosa-Sicard, E., Wang, M.H., et al.Cytochrome P450-dependent eicosapentaenoic acid metabolites are novel BK channel activatorsHypertension39(2 Pt. 2)609-613(2002) 3.Falck, J.R., Wallukat, G., Puli, N., et al.

Agelenin 是一种由 35 个氨基酸组成的多肽。Agelenin 可从阿格莱尼科蜘蛛 Agelena opulenta 中分离得到。Agelenin 与昆虫特异性钙通道抑制剂结构相似。

(S)-Nicardipine is the less active S enantiomer of Nicardipine. Nicardipine is a blocker of calcium channel(IC50 of 1 μM for blocking cardiac calcium channels).

Verticilide是一种兰诺定受体(ryanodine)结合抑制剂，抑制ryanodine与兰诺定受体结合的IC50值为4.2 μM，对小鼠ryanodine受体的抑制作用较弱(IC50=53.9 μM)。

ω-Conotoxin CnVIIA为含27个氨基酸的神经肽类毒素，具有N型钙电流阻滞活性。

ω-Conotoxin SVIB为从Conus venoms中分离得到的肽类毒素，具有抑制抽搐反应的能力，IC50值为37 nM。在小鼠体内，ω-Conotoxin SVIB可导致呼吸急迫，并在高浓度下致死。

JTV-519 hemifumarate,Antiarrhythmic and cardioprotective properties. is a Ca2+-dependent blocker of sarcoplasmic reticulum Ca2+-stimulated ATPase (SERCA) and a partial agonist of ryanodine receptors in striated muscle.

L-Phenylalanine-D7是L-Phenylalanine (T3377)的氘代物。L-Phenylalanine ( (S)-2-Amino-3-phenylpropionic acid)是从大肠杆菌分离的必需氨基酸，作为电压依赖性α2δ亚基Ca2+通道的拮抗剂，具有Ki值为980 nM。此外，它是NMDARs (KB573 μM)和非NMDARs的甘氨酸和谷氨酸结合位点的竞争性拮抗剂。L-Phenylalanine 被广泛用于食品香料和药品的生产。

Amlodipine aspartic acid is a calcium channel blocker compound that exhibits antihypertensive and antianginal properties. It is important to note that Amlodipine aspartic acid impurity is an impurity specific to this compound.