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Nisoldipine (BAY-k 5552) is a dihydropyridine calcium channel antagonist that acts as a potent arterial vasodilator and antihypertensive agent.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 200 mg | $34 | In Stock | In Stock | |
| 500 mg | $44 | In Stock | In Stock | |
| 1 g | $70 | In Stock | In Stock | |
| 5 g | $168 | - | In Stock | |
| 1 mL x 10 mM (in DMSO) | $39 | In Stock | In Stock |
| Description | Nisoldipine (BAY-k 5552) is a dihydropyridine calcium channel antagonist that acts as a potent arterial vasodilator and antihypertensive agent. |
| Targets&IC50 | Cav 1.2, L-type:10 nM |
| In vitro | In patients with Timothy syndrome, Nisoldipine (IC50=267 nM) induces vasodilation and lowers blood pressure by inhibiting the influx of calcium ions through L-type calcium channels, thereby decreasing the contractility of arterial smooth muscle and subsequent vasoconstriction. |
| In vivo | In guinea pig ventricular myocytes, Nisoldipine acts on delayed rectifier K+ channels, inhibiting the rapid-activating component (IKr) with an IC50 of 23 μM, and the slow-activating component (IKs) with an IC50 of 40 μM. |
| Kinase Assay | Binding experiments of electrophysiology: CHO cells expressing the subunit of the voltage-dependent L-type Ca2+ channel are cultrured in medium without serum in the presence of different concentrations of Nisoldipine. Then Ca2+ channel current elicited from a holding potential of -100 mV or -50 mV is recorded at room temperature with the whole-cell configuration of the patch-clamp method using the List EPC-7 patch-clamp amplifer and pClamp software. The concentration of competitor inhibiting 50% of the specific binding represents IC50. |
| Cell Research | The myocytes are bathed in normal Tyrode's solution, held at -80 mV, and depolarised after 200-ms prepulses (-40mV) to more positive potentials for 500 ms at 0.1 Hz, tail currents are recorded on repolarisations to -40mV. The myocytes are exposed to 10-100 mM Nisoldipine for 8-10 minutes. Then the whole-cell membrane currents are recorded using an EPC-7 amplifier.(Only for Reference) |
| Synonyms | BAY-k 5552 |
| Molecular Weight | 388.41 |
| Formula | C20H24N2O6 |
| Cas No. | 63675-72-9 |
| Smiles | C(OCC(C)C)(=O)C=1C(C(C(OC)=O)=C(C)NC1C)C2=C(N(=O)=O)C=CC=C2 |
| Relative Density. | 1.205 g/cm3 |
| Storage | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | |||||||||||||||||||||||||||||||||||
| Solubility Information | Ethanol: 56 mg/mL (144.18 mM), Sonication is recommended. H2O: < 1 mg/mL (insoluble or slightly soluble) DMSO: 163 mg/mL (419.66 mM), Sonication is recommended. | |||||||||||||||||||||||||||||||||||
| In Vivo Formulation | 10% DMSO+40% PEG300+5% Tween 80+45% Saline: 2 mg/mL (5.15 mM), Sonication is recommended. Please add the solvents sequentially, clarifying the solution as much as possible before adding the next one. Dissolve by heating and/or sonication if necessary. Working solution is recommended to be prepared and used immediately. The formulation provided above is for reference purposes only. In vivo formulations may vary and should be modified based on specific experimental conditions. | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
Ethanol/DMSO
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Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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