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Erasin

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Catalog No. T73472

Erasin is a STAT3 inhibitor (IC50 = 9.7 μM) with higher selectivity for inhibiting STAT3 tyrosine phosphorylation than STAT5 and STAT1. It induces apoptosis in various cancer cell lines (e.g., MDA-MB-231, HCC-827) and is effective against Erlotinib-resistant cancer cells.

Erasin

Erasin

😃Good
Catalog No. T73472
Erasin is a STAT3 inhibitor (IC50 = 9.7 μM) with higher selectivity for inhibiting STAT3 tyrosine phosphorylation than STAT5 and STAT1. It induces apoptosis in various cancer cell lines (e.g., MDA-MB-231, HCC-827) and is effective against Erlotinib-resistant cancer cells.
Pack SizePriceUSA WarehouseGlobal WarehouseQuantity
2 mg$45-In Stock
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In Stock Estimated shipping dateUSA Warehouse[1-2 days] Global Warehouse[5-7 days]
All TargetMol products are for research purposes only and cannot be used for human consumption. We do not provide products or services to individuals. Please comply with the intended use and do not use TargetMol products for any other purpose.
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Appearance:Solid
Color:Yellow
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Product Introduction

Bioactivity
Description
Erasin is a STAT3 inhibitor (IC50 = 9.7 μM) with higher selectivity for inhibiting STAT3 tyrosine phosphorylation than STAT5 and STAT1. It induces apoptosis in various cancer cell lines (e.g., MDA-MB-231, HCC-827) and is effective against Erlotinib-resistant cancer cells.
Targets&IC50
STAT1:24 μM, STAT3:9.7 μM
In vitro
Method:
HepG2 and K562 cells were treated with Erasin at concentrations of 0, 5, 10, 25, 50, and 100 μM for 24 hours, with a pre-incubation period of 1–2 hours. Following treatment, cells were stimulated with IL-6 (to activate STAT3) or IFN-γ (to activate STAT1), and tyrosine phosphorylation levels of STAT proteins were assessed.

Result:
Erasin inhibited IL-6-induced phosphorylation of STAT3 at Tyr705 in HepG2 cells in a dose-dependent manner. It also inhibited IFN-γ-induced phosphorylation of STAT1 at Tyr701 to a lesser extent. Tyrosine phosphorylation of STAT5 in K562 cells was not inhibited.[1]
Chemical Properties
Molecular Weight349.38
FormulaC20H19N3O3
SmilesCC(C)(C)C1=CC(C2=O)=C(C=C1)OC=C2/C=N/NC(C3=CC=CN=C3)=O
Storage & Solubility Information
Storagestore at low temperature | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature.
Solubility Information
DMSO: 30 mg/mL (85.87 mM), Sonication is recommended.
In Vivo Formulation
10% DMSO+40% PEG300+5% Tween 80+45% Saline: 2 mg/mL (5.72 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
DMSO
1mg5mg10mg50mg
1 mM2.8622 mL14.3111 mL28.6221 mL143.1107 mL
5 mM0.5724 mL2.8622 mL5.7244 mL28.6221 mL
10 mM0.2862 mL1.4311 mL2.8622 mL14.3111 mL
20 mM0.1431 mL0.7156 mL1.4311 mL7.1555 mL
50 mM0.0572 mL0.2862 mL0.5724 mL2.8622 mL

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In Vivo Formulation Calculator (Clear solution)

Please enter your animal experiment information in the following box and click Calculate to obtain the stock solution preparation method and in vivo formula preparation method:
TargetMol | Animal experiments For example, if the intended dosage is 10 mg/kg for animals weighing 20 g , with a dosing volume of 100 μL per animal, TargetMol | Animal experiments and a total of 10 animals are to be administered, using a formulation of TargetMol | reagent 10% DMSO+ 40% PEG300+ 5% Tween 80+ 45% Saline/PBS/ddH2O , the resulting working solution concentration would be 2 mg/mL.
Stock Solution Preparation:

Dissolve 2 mg of the compound in 100 μL DMSOTargetMol | reagent 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.

Preparation of the In Vivo Formulation:

1) Add 100 μL of the DMSOTargetMol | reagent stock solution to 400 μL PEG300TargetMol | reagent 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 ddH2OTargetMol | reagent and mix thoroughly until a homogeneous solution is obtained.

This example is provided solely to demonstrate the use of the In Vivo Formulation Calculator and does not constitute a recommended formulation for any specific compound. Please select an appropriate dissolution and formulation strategy based on your experimental model and route of administration.
All co-solvents required for this protocol, includingDMSO, PEG300/PEG400, Tween 80, SBE-β-CD, and Corn oil, are available for purchase on the TargetMol website.
1 Enter information below:
mg/kg
g
μL
2 Enter the in vivo formulation:
% DMSO
%
% Tween 80
% Saline/PBS/ddH2O

Dose Conversion

You can also refer to dose conversion for different animals. More Dose Conversion

Tech Support

Please see Inhibitor Handling Instructions for more frequently ask questions. Topics include: how to prepare stock solutions, how to store products, and cautions on cell-based assays & animal experiments, etc
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