EA4
Based on 1 Customer Validation
EA4, a derivative of quinone, is an inhibitor for both rPLA and cPLA. EA4 can inhibit rPLA2 with a Ki value of 130 μM. EA4 can be used for the research of hemostasis, thrombosis, and erythropoiesis.
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- Pureza : 98.75%
- No. CAS: 389614-94-2
- Fòrmula: C19H17ClN2O2
- Peso molecular:340.80
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Almacenamiento:
4°C, sealed storage, away from moisture and light
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Actividad biológica
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Chemical Information
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Solvente y solubilidad
- Pureza y Documentación
- Referencias
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Help & FAQs
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Actividad biológica
Descripciòn
IC50 & Target
Ki: 130 μM (rPLA2)[1]
In Vitro
EA4 (9 μM, 24 μM) inhibits both rPLA2 and cPLA2[1].
EA4 can inhibit rPLA2 with a Ki value of 130 μM[1].
EA4 (50 μM) significantly inhibits A23187-induced AA release from both human and bovine RBCs in a time-dependent manner[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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No. CAS 389614-94-2
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Appearance Solid
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Peso molecular 340.80
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Fòrmula C19H17ClN2O2
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Color Light blue to blue
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SMILES
O=C(C(C1=CC=C(N(CC)CC)C=C1)=C2Cl)C3=C(N=CC=C3)C2=O
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Envío
Room temperature in continental US; may vary elsewhere.
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Almacenamiento
4°C, sealed storage, away from moisture and light
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)
Solvente y solubilidad
In Vitro:
DMSO : 50 mg/mL (146.71 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
In Vivo:
Select the appropriate dissolution method based on your experimental animal and administration route.
- For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
- To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
- The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 1 mg/mL (2.93 mM); Clear solution
This protocol yields a clear solution of ≥ 1 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (10.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 1 mg/mL (2.93 mM); Clear solution
This protocol yields a clear solution of ≥ 1 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (10.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL. * In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Pureza y Documentación
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Ficha de datos (274 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
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Instrucciones de manejo (2659 KB)
Referencias
[1]. Shin, Hae Sook et al. Purification and characterization of a cytosolic, 42-kDa and Ca2+-dependent phospholipase A2 from bovine red blood cells: its involvement in Ca2+-dependent release of arachidonic acid from mammalian red blood cells. The Journal of biological chemistry vol. 277,23 (2002): 21086-94. [Content Brief]
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 2.9343 mL | 14.6714 mL | 29.3427 mL | 73.3568 mL |
| 5 mM | 0.5869 mL | 2.9343 mL | 5.8685 mL | 14.6714 mL | |
| 10 mM | 0.2934 mL | 1.4671 mL | 2.9343 mL | 7.3357 mL | |
| 15 mM | 0.1956 mL | 0.9781 mL | 1.9562 mL | 4.8905 mL | |
| 20 mM | 0.1467 mL | 0.7336 mL | 1.4671 mL | 3.6678 mL | |
| 25 mM | 0.1174 mL | 0.5869 mL | 1.1737 mL | 2.9343 mL | |
| 30 mM | 0.0978 mL | 0.4890 mL | 0.9781 mL | 2.4452 mL | |
| 40 mM | 0.0734 mL | 0.3668 mL | 0.7336 mL | 1.8339 mL | |
| 50 mM | 0.0587 mL | 0.2934 mL | 0.5869 mL | 1.4671 mL | |
| 60 mM | 0.0489 mL | 0.2445 mL | 0.4890 mL | 1.2226 mL | |
| 80 mM | 0.0367 mL | 0.1834 mL | 0.3668 mL | 0.9170 mL | |
| 100 mM | 0.0293 mL | 0.1467 mL | 0.2934 mL | 0.7336 mL |
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