Docosahexaenoic acid methyl ester
Based on 1 Customer Validation
Docosahexaenoic Acid methyl ester is a methylated docosahexaenoic acid analog which can be intercalated into membrane phospholipids without being oxidized or hydrolyzed.
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- Pureza : 99.82%
- No. CAS: 2566-90-7
- Fòrmula: C23H34O2
- Peso molecular:342.51
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Almacenamiento:Pure form -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
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Actividad biológica
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Chemical Information
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Solvente y solubilidad
- Protocolo
- Pureza y Documentación
- Referencias
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Help & FAQs
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Actividad biológica
Descripciòn
In Vitro
Sharp wave (SPW) incidence relative to baseline appears to decrease following Docosahexaenoic Acid methyl ester (DHA-Me) application[1]. There is no generation of a new protein band when bovine serum albumin (BSA) is exposed to the Fe2+ and ascorbic acid (AsA) mixed-function oxidation system in the absence of Docosahexaenoic Acid methyl ester (DHA). However, the high-molecular-weight protein band is observed after only 24 h when BSA is incubated with DHA. Incubation of BSA with 1.0 mM DHA leads to a substantial increase in protein carbonyl content and the addition of oxygen radical scavengers leads to a substantial decrease in protein carbonyl content[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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No. CAS 2566-90-7
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Appearance Liquid (Density: 0.921 g/cm3)
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Peso molecular 342.51
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Fòrmula C23H34O2
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Color Colorless to light yellow
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SMILES
CC/C=C\C/C=C\C/C=C\C/C=C\C/C=C\C/C=C\CCC(OC)=O
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Synonyms
Methyl docosahexaenoate; all cis-DHA methyl ester
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Envío
Room temperature in continental US; may vary elsewhere.
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Almacenamiento
Pure form -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Solvente y solubilidad
In Vitro:
DMSO : 100 mg/mL (291.96 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Ethanol : 100 mg/mL (291.96 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. 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. 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: ≥ 2.5 mg/mL (7.30 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 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.
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.
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.
Protocolo
Kinase Assay[2]
Protein (1 mg/mL) is incubated with Docosahexaenoic Acid methyl ester (DHA) (1.0 mM) in 50 mM HEPES buffer (pH 7.4) containing 0.2% (w/v) of Tween 20 at 37°C. Mannitol, histidine, sodium benzoate, or KI is added at final concentration of 0.5 M, 0.2 M, 0.5 M, or 0.1 M, respectively. Reactive oxygen species are generated by addition of FeSO4 (1 μM) and ascorbic acid (AsA, 20 μM)[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Pureza y Documentación
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Ficha de datos (269 KB)
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SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
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Instrucciones de manejo (2659 KB)
Referencias
[1]. Taha AY, et al. Selective reduction of excitatory hippocampal sharp waves by docosahexaenoic acid and its methyl ester analog ex-vivo. Brain Res. 2013 Nov 6;1537:9-17. [Content Brief]
[2]. Liu W, et al. Formation of high-molecular-weight protein adducts by methyl docosahexaenoate peroxidation products. Biochim Biophys Acta. 2007 Feb;1774(2):258-66. [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. 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 / Ethanol | 1 mM | 2.9196 mL | 14.5981 mL | 29.1962 mL | 72.9906 mL |
| 5 mM | 0.5839 mL | 2.9196 mL | 5.8392 mL | 14.5981 mL | |
| 10 mM | 0.2920 mL | 1.4598 mL | 2.9196 mL | 7.2991 mL | |
| 15 mM | 0.1946 mL | 0.9732 mL | 1.9464 mL | 4.8660 mL | |
| 20 mM | 0.1460 mL | 0.7299 mL | 1.4598 mL | 3.6495 mL | |
| 25 mM | 0.1168 mL | 0.5839 mL | 1.1678 mL | 2.9196 mL | |
| 30 mM | 0.0973 mL | 0.4866 mL | 0.9732 mL | 2.4330 mL | |
| 40 mM | 0.0730 mL | 0.3650 mL | 0.7299 mL | 1.8248 mL | |
| 50 mM | 0.0584 mL | 0.2920 mL | 0.5839 mL | 1.4598 mL | |
| 60 mM | 0.0487 mL | 0.2433 mL | 0.4866 mL | 1.2165 mL | |
| 80 mM | 0.0365 mL | 0.1825 mL | 0.3650 mL | 0.9124 mL | |
| 100 mM | 0.0292 mL | 0.1460 mL | 0.2920 mL | 0.7299 mL |
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