Ethoxyquin
Based on 1 publication(s) in Google Scholar
Ethoxyquin is an antioxidant which has been used in animal feed for many years and also an inhibitor of heat shock protein 90 (Hsp90).
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- Pureté: 98.76%
- CAS No.: 91-53-2
- Formule: C14H19NO
- Masse moléculaire:217.31
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Stockage:Pure form -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
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Publications Citing Use of MedChemExpress (MCE) Ethoxyquin
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Activité biologique
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HSP90 |
Ethoxyquin (EQ) does not block Paclitaxel’s (PTX’s) ability to induce cell death in 4 different breast cancer cell lines. Results demonstrate that only when Hsp90 level is down regulated is neuroprotec-tion provided by Ethoxyquin (EQ) no longer seen[2]. It is found that Ethoxyquin provides neuroprotection with a best efficacy range from 30 to 300 nM. It is interesting to note that higher (μM) concentrations of Ethoxyquin do not provide further neuroprotection and in fact at these higher concentrations Ethoxyquin loses its neuroprotective effects[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 91-53-2
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Appearance Liquid (Density: 1.03 g/cm3 )
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Masse moléculaire 217.31
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Formule C14H19NO
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Color Light yellow to brown
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SMILES
CC1=CC(C)(C)NC2=C1C=C(OCC)C=C2
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Livraison
Room temperature in continental US; may vary elsewhere.
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Stockage
Pure form -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Publications (1)
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Journal Impact Factor
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Most Recent
Solvant et solubilité
DMSO : ≥ 50 mg/mL (230.09 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
H2O : < 0.1 mg/mL (insoluble)
* "≥" means soluble, but saturation unknown.
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)
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: ≥ 3.5 mg/mL (16.11 mM); Clear solution
This protocol yields a clear solution of ≥ 3.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (35.0 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: ≥ 3.5 mg/mL (16.11 mM); Clear solution
This protocol yields a clear solution of ≥ 3.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (35.0 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.
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.
Protocole
To evaluate the impact of Ethoxyquin (EQ) on Paclitaxel’s (PTX’s) ability to kill breast cancer cells, conditions for culturing 4 cancer cell lines and measuring the ATP levels are optimized for the 96-well plate format. Briefly, 1,500 cells/well in media are plated in 96-well plates for 24 hours. Constant concentrations of PTX with or without Ethoxyquin are added to the wells for another 24 hours. Cellular ATP levels are measured using kit according tomanufacturer ’s protocol[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Briefly, DRGs are harvested from embryonic day 14.5 rats according to standard protocols, then cells are plated onto collagen-coated glass coverslips and allowed to extend neurites for 24 hours in media (Neurobasal medium, 50 mM pencillin-streptomycin (PS), 0.2% FBS, 0.5 mM glutamine, 1×B-27 supplement, 0.2% glucose,10 ng/mL glial cell line-derived neurotrophic factor). Ethoxyquin (EQ) or vehicle control is added to the wells for another 24-hour incubation. DRG cells are fixed with 4% paraformaldehyde and stained with anti-βIII-tubulin antibody to delineate the axons. Axon lengths are measured in multiple fields using a random sampling method[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
To examine the effect of Ethoxyquin (EQ) on Paclitaxel’s (PTX’s) ability to reduce tumor burden in vivo, a mouse model in which breast cancer cell line SUM-159 (3×106 tumor cells suspended in phosphate-buffered saline in a final volume of 0.15 mL) is injected subcutaneously into adult male nude mice. When the tumor size reaches 5 mm in diameter, the animals are randomly assigned to PTX or PTX with Ethoxyquin groups. Ethoxyquin is given by intraperitoneal administration on a daily basis for 3 weeks. At the end of 3 weeks, animals are euthanized and tumor size and weight are measured (n=5 per group)[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Pureté et documentation
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Fiche technique (275 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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Instruction de manipulation (2659 KB)
Références
[1]. Sadikot T, et al. Development of a high-throughput screening cancer cell-based luciferase refolding assay for identifying Hsp90 inhibitors. Assay Drug Dev Technol. 2013 Oct;11(8):478-88. [Content Brief]
[2]. Zhu J, et al. Ethoxyquin prevents chemotherapy-induced neurotoxicity via Hsp90 modulation. Ann Neurol. 2013 Dec;74(6):893-904. [Content Brief]
[3]. Zhu J, et al. Ethoxyquin provides neuroprotection against cisplatin-induced neurotoxicity. Sci Rep. 2016 Jun 28;6:28861. [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 | 1 mM | 4.6017 mL | 23.0086 mL | 46.0172 mL | 115.0430 mL |
| 5 mM | 0.9203 mL | 4.6017 mL | 9.2034 mL | 23.0086 mL | |
| 10 mM | 0.4602 mL | 2.3009 mL | 4.6017 mL | 11.5043 mL | |
| 15 mM | 0.3068 mL | 1.5339 mL | 3.0678 mL | 7.6695 mL | |
| 20 mM | 0.2301 mL | 1.1504 mL | 2.3009 mL | 5.7522 mL | |
| 25 mM | 0.1841 mL | 0.9203 mL | 1.8407 mL | 4.6017 mL | |
| 30 mM | 0.1534 mL | 0.7670 mL | 1.5339 mL | 3.8348 mL | |
| 40 mM | 0.1150 mL | 0.5752 mL | 1.1504 mL | 2.8761 mL | |
| 50 mM | 0.0920 mL | 0.4602 mL | 0.9203 mL | 2.3009 mL | |
| 60 mM | 0.0767 mL | 0.3835 mL | 0.7670 mL | 1.9174 mL | |
| 80 mM | 0.0575 mL | 0.2876 mL | 0.5752 mL | 1.4380 mL | |
| 100 mM | 0.0460 mL | 0.2301 mL | 0.4602 mL | 1.1504 mL |
Ethoxyquin Related Classifications
HY-B1425 Related Classifications
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