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Levosimendan

Catalog No. T2530Cas No. 141505-33-1
Alias OR1855, OR1259

Levosimendan (OR1259) is a calcium sensitizer used in the management of acutely decompensated congestive heart failure. It increases the sensitivity of the heart to calcium, thus increasing cardiac contractility without a rise in intracellular calcium. Levosimendan exerts its effect by increasing calcium sensitivity of myocytes by binding to cardiac troponin C in a calcium-dependent manner.

Levosimendan

Levosimendan

Purity: 99.91%
Catalog No. T2530Alias OR1855, OR1259Cas No. 141505-33-1
Levosimendan (OR1259) is a calcium sensitizer used in the management of acutely decompensated congestive heart failure. It increases the sensitivity of the heart to calcium, thus increasing cardiac contractility without a rise in intracellular calcium. Levosimendan exerts its effect by increasing calcium sensitivity of myocytes by binding to cardiac troponin C in a calcium-dependent manner.
Pack SizePriceAvailabilityQuantity
25 mg$31In Stock
50 mg$45In Stock
100 mg$61In Stock
200 mg$103In Stock
500 mg$237In Stock
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Purity:99.91%
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Product Introduction

Bioactivity
Description
Levosimendan (OR1259) is a calcium sensitizer used in the management of acutely decompensated congestive heart failure. It increases the sensitivity of the heart to calcium, thus increasing cardiac contractility without a rise in intracellular calcium. Levosimendan exerts its effect by increasing calcium sensitivity of myocytes by binding to cardiac troponin C in a calcium-dependent manner.
In vitro
Levosimendan caused contraction and relaxation of failing human cardiomyocytes, with a mean maximum increase in twitch tension of 47% at 0.8 μM Levosimendan.Levosimendan induced a rapid dose-dependent increase in hemodynamic functions in patients with compensated heart failure.Levosimendan caused a significant hyperpolarization (EPS) of resting potential (EPS) in rat mesenteric artery myocytes. The resting potential of rat mesenteric artery myocytes was markedly hyperpolarized by Levosimendan (EC50: 2.9 μM), with a maximal effect at 10 μM (19.5 mV), which may be produced by activation of glibenclamide-sensitive K+ channels.Levosimendan (3 μM) reduced the Ca50 from 2.73 μM to 1.19 μM.
In vivo
Levosimendan caused contraction and relaxation of failing human cardiomyocytes, with a mean maximum increase in twitch tension of 47% at 0.8 μM Levosimendan.Levosimendan induced a rapid dose-dependent increase in hemodynamic functions in patients with compensated heart failure.Levosimendan caused a significant hyperpolarization (EPS) of resting potential (EPS) in rat mesenteric artery myocytes. The resting potential of rat mesenteric artery myocytes was markedly hyperpolarized by Levosimendan (EC50: 2.9 μM), with a maximal effect at 10 μM (19.5 mV), which may be produced by activation of glibenclamide-sensitive K+ channels.Levosimendan (3 μM) reduced the Ca50 from 2.73 μM to 1.19 μM.
AliasOR1855, OR1259
Chemical Properties
Molecular Weight280.28
FormulaC14H12N6O
Cas No.141505-33-1
Storage & Solubility Information
Storagekeep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice.
Solubility Information
Ethanol: < 1 mg/mL (insoluble or slightly soluble)
DMSO: 45 mg/mL (160.55 mM), Sonication is recommended.
H2O: < 1 mg/mL (insoluble or slightly soluble)
Solution Preparation Table
DMSO
1mg5mg10mg50mg
1 mM3.5679 mL17.8393 mL35.6786 mL178.3930 mL
5 mM0.7136 mL3.5679 mL7.1357 mL35.6786 mL
10 mM0.3568 mL1.7839 mL3.5679 mL17.8393 mL
20 mM0.1784 mL0.8920 mL1.7839 mL8.9197 mL
50 mM0.0714 mL0.3568 mL0.7136 mL3.5679 mL
100 mM0.0357 mL0.1784 mL0.3568 mL1.7839 mL

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