Eupalinolide K
Based on 1 Customer Validation
Eupalinolide K, a sesquiterpene lactones compound from Eupatorium lindleyanum, is a STAT3 inhibitor. Eupalinolide K is a Michael reaction acceptor (MRA) .
For research use only. We do not sell to patients.
- Purity: 99.20%
- CAS No.: 108657-10-9
- Formula: C20H26O6
- Molecular Weight:362.42
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Storage:
-20°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
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Biological Activity
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STAT3 |
Chemical Information
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CAS No. 108657-10-9
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Appearance Solid
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Molecular Weight 362.42
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Formula C20H26O6
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Color Off-white to light yellow
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SMILES
O=C(/C(C)=C/CO)O[C@H](C/C(C)=C\C[C@H](O)/C(C)=C\1)[C@](C2=C)([H])[C@]1([H])OC2=O
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Structure Classification
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Initial Source
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
-20°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
Solvent & Solubility
DMSO : 50 mg/mL (137.96 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
H2O : 5 mg/mL (13.80 mM; Need ultrasonic)
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 (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
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 (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
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: ≥ 1.09 mg/mL (3.01 mM); Clear solution
This protocol yields a clear solution of ≥ 1.09 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (10.9 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.
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 (protect from 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.
Purity & Documentation
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Data Sheet (277 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Portuguese - PT (252 KB)
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Handling Instructions (2659 KB)
References
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 (protect from 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 |
|---|---|---|---|---|---|
| H2O / DMSO | 1 mM | 2.7592 mL | 13.7961 mL | 27.5923 mL | 68.9807 mL |
| 5 mM | 0.5518 mL | 2.7592 mL | 5.5185 mL | 13.7961 mL | |
| 10 mM | 0.2759 mL | 1.3796 mL | 2.7592 mL | 6.8981 mL | |
| DMSO | 15 mM | 0.1839 mL | 0.9197 mL | 1.8395 mL | 4.5987 mL |
| 20 mM | 0.1380 mL | 0.6898 mL | 1.3796 mL | 3.4490 mL | |
| 25 mM | 0.1104 mL | 0.5518 mL | 1.1037 mL | 2.7592 mL | |
| 30 mM | 0.0920 mL | 0.4599 mL | 0.9197 mL | 2.2994 mL | |
| 40 mM | 0.0690 mL | 0.3449 mL | 0.6898 mL | 1.7245 mL | |
| 50 mM | 0.0552 mL | 0.2759 mL | 0.5518 mL | 1.3796 mL | |
| 60 mM | 0.0460 mL | 0.2299 mL | 0.4599 mL | 1.1497 mL | |
| 80 mM | 0.0345 mL | 0.1725 mL | 0.3449 mL | 0.8623 mL | |
| 100 mM | 0.0276 mL | 0.1380 mL | 0.2759 mL | 0.6898 mL |
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
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