IDRA 21
Based on 1 Customer Validation
IDRA 21 is a positive and orally active modulator of the AMPA receptor. IDRA 21 facilitates excitatory neurotransmission via GluR1/2 receptors. IDRA 21 has the potential for the research of cognitive/memory disorders, including those associated with aging.
For research use only. We do not sell to patients.
- Purity: 99.39%
- CAS No.: 22503-72-6
- Formula: C8H9ClN2O2S
- Molecular Weight:232.69
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
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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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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All iGluR Isoforms
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Biological Activity
IDRA 21 (1-300 μM, 30 min) increases hippocampal neurons death in a dose-dependent manner[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
IDRA 21 (6-24 mg/kg, i.g., once time) increases G41 neuronal injury produced by global ischemia in adult rats[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 22503-72-6
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Appearance Solid
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Molecular Weight 232.69
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Formula C8H9ClN2O2S
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Color Off-white to yellow
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SMILES
CC(NC1=CC=C(Cl)C=C12)NS2(=O)=O
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Solvent & Solubility
DMSO : 250 mg/mL (1074.39 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. 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: ≥ 2.08 mg/mL (8.94 mM); Clear solution
This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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: ≥ 2.08 mg/mL (8.94 mM); Clear solution
This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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.
Purity & Documentation
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Data Sheet (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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Handling Instructions (2659 KB)
References
[1]. Buccafusco JJ, et al. The effects of IDRA 21, a positive modulator of the AMPA receptor, on delayed matching performance by young and aged rhesus monkeys. Neuropharmacology. 2004 Jan;46(1):10-22. doi: 10.1016/j.neuropharm.2003.07.002. [Content Brief]
[2]. Yamada KA, et al. The diazoxide derivative IDRA 21 enhances ischemic hippocampal neuron injury. Ann Neurol. 1998 May;43(5):664-9. [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 | 4.2976 mL | 21.4878 mL | 42.9756 mL | 107.4391 mL |
| 5 mM | 0.8595 mL | 4.2976 mL | 8.5951 mL | 21.4878 mL | |
| 10 mM | 0.4298 mL | 2.1488 mL | 4.2976 mL | 10.7439 mL | |
| 15 mM | 0.2865 mL | 1.4325 mL | 2.8650 mL | 7.1626 mL | |
| 20 mM | 0.2149 mL | 1.0744 mL | 2.1488 mL | 5.3720 mL | |
| 25 mM | 0.1719 mL | 0.8595 mL | 1.7190 mL | 4.2976 mL | |
| 30 mM | 0.1433 mL | 0.7163 mL | 1.4325 mL | 3.5813 mL | |
| 40 mM | 0.1074 mL | 0.5372 mL | 1.0744 mL | 2.6860 mL | |
| 50 mM | 0.0860 mL | 0.4298 mL | 0.8595 mL | 2.1488 mL | |
| 60 mM | 0.0716 mL | 0.3581 mL | 0.7163 mL | 1.7907 mL | |
| 80 mM | 0.0537 mL | 0.2686 mL | 0.5372 mL | 1.3430 mL | |
| 100 mM | 0.0430 mL | 0.2149 mL | 0.4298 mL | 1.0744 mL |
IDRA 21 Related Classifications
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