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NS-638

Catalog No. T3543Cas No. 150493-34-8
Alias NS 638

NS-638 is a Ca2+-channel blocker. It can block K+-stimulated intracellular Ca2+-elevation (IC50: 3.4 μM).

NS-638

NS-638

Purity: 98.44%
Catalog No. T3543Alias NS 638Cas No. 150493-34-8
NS-638 is a Ca2+-channel blocker. It can block K+-stimulated intracellular Ca2+-elevation (IC50: 3.4 μM).
Pack SizePriceAvailabilityQuantity
2 mg$39In Stock
5 mg$80In Stock
10 mg$122In Stock
25 mg$239In Stock
50 mg$385In Stock
100 mg$522In Stock
1 mL x 10 mM (in DMSO)$72In Stock
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Purity:98.44%
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Product Introduction

Bioactivity
Description
NS-638 is a Ca2+-channel blocker. It can block K+-stimulated intracellular Ca2+-elevation (IC50: 3.4 μM).
Targets&IC50
Ca2+ channel:3.4 μM
In vitro
NS-638 dose-dependently inhibits K+-stimulated [45 Ca2+]-uptake in chick cortical synaptosomes and 2-amino-3-(3-hydroxy-5-methylisoxazol-4-yl)propionic acid (AMPA)- stimulated [3H]GABA-release from cultured cortical neurons (IC50: 2.3 and 4.3 μM), respectively. K+-stimulated intracellular Ca2+-elevation in cultured cerebellar granule cells is equipotently blocked (IC50: 3.4 μM). At this concentration, no effect on Ca2+-induced contractions in K+-depolarized guinea pig taenia coli is observed. NS-638 reversibly blocks N- and L-type Ca2+-channels in cultured chick dorsal root ganglion cells (1-30 μM).
In vivo
In the mouse model of middle cerebral artery occlusion, NS-638 administration (50 mg/kg, i.p.) at 1 hour and 6 hours after ischemia, followed by daily dosing for two subsequent days, leads to a 48% decrease in overall infarct volume. However, it fails to demonstrate neuroprotective effects in the gerbil model of bilateral carotid artery occlusion against ischemic neuronal damage.
Cell Research
NS-638 is prepared in 1% DMSO and 1% ethanol. The effect of NS-638 on neuronal Ca2+-channels is evaluated using whole cell patch clamp techniques[1].
AliasNS 638
Chemical Properties
Molecular Weight325.72
FormulaC15H11ClF3N3
Cas No.150493-34-8
Storage & Solubility Information
StoragePowder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice.
Solubility Information
DMSO: 55 mg/mL (168.86 mM)
Solution Preparation Table
DMSO
1mg5mg10mg50mg
1 mM3.0701 mL15.3506 mL30.7012 mL153.5061 mL
5 mM0.6140 mL3.0701 mL6.1402 mL30.7012 mL
10 mM0.3070 mL1.5351 mL3.0701 mL15.3506 mL
20 mM0.1535 mL0.7675 mL1.5351 mL7.6753 mL
50 mM0.0614 mL0.3070 mL0.6140 mL3.0701 mL
100 mM0.0307 mL0.1535 mL0.3070 mL1.5351 mL

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TargetMol | Animal experimentsFor example, your dosage is 10 mg/kg Each animal weighs 20 g, and the dosage volume is 100 μL . TargetMol | Animal experiments A total of 10 animals were administered, and the formula you used is 5% TargetMol | reagent DMSO+30% PEG300+5% Tween 80+60% ddH2O. So your working solution concentration is 2 mg/mL。
Mother liquor preparation method: 2 mg of drug dissolved in 50 μL DMSOTargetMol | reagent (mother liquor concentration of 40 mg/mL), if you need to configure a concentration that exceeds the solubility of the product, please contact us first.
Preparation method for in vivo formula: Take 50 μL DMSOTargetMol | reagent main solution, add 300 μLPEG300TargetMol | reagent mix well and clarify, then add 50 more μL Tween 80, mix well and clarify, then add 600 more μLddH2OTargetMol | reagent mix well and clarify
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