MRK-898
Based on 1 Customer Validation
MRK-898 is an orally active GABA(A) receptor modulator. MRK-898 binds to α1, α2, α3 or α5 subunit of GABA(A) receptor with Ki values of 1.2 nM, 1.0 nM, 0.73 nM, and 0.50 nM, respectively. However, α1-containing GABA(A) receptors are identified as the "sedative" and α2- and/or α3-containing receptors as the "anxiolytic" subtype(s).
For research use only. We do not sell to patients.
- Purity: 99.48%
- CAS No.: 461450-30-6
- Formula: C20H9F5N4
- Molecular Weight:400.30
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
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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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α1 GABA(A) receptor 1.2 nM (Ki) |
α2 GABA(A) receptor 1.0 nM (Ki) |
α3 GABA(A) receptor 0.73 nM (Ki) |
α5 GABA(A) receptor 0.50 nM (Ki) |
Chemical Information
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CAS No. 461450-30-6
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Appearance Solid
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Molecular Weight 400.30
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Formula C20H9F5N4
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Color Light yellow to yellow
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SMILES
N#CC1=CC(F)=CC=C1C2=C(F)C=CC(C3=CN=C4N=C(C(F)(F)F)C=CN43)=C2
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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 : 100 mg/mL (249.81 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.
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 (273 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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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. 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 | 2.4981 mL | 12.4906 mL | 24.9813 mL | 62.4532 mL |
| 5 mM | 0.4996 mL | 2.4981 mL | 4.9963 mL | 12.4906 mL | |
| 10 mM | 0.2498 mL | 1.2491 mL | 2.4981 mL | 6.2453 mL | |
| 15 mM | 0.1665 mL | 0.8327 mL | 1.6654 mL | 4.1635 mL | |
| 20 mM | 0.1249 mL | 0.6245 mL | 1.2491 mL | 3.1227 mL | |
| 25 mM | 0.0999 mL | 0.4996 mL | 0.9993 mL | 2.4981 mL | |
| 30 mM | 0.0833 mL | 0.4164 mL | 0.8327 mL | 2.0818 mL | |
| 40 mM | 0.0625 mL | 0.3123 mL | 0.6245 mL | 1.5613 mL | |
| 50 mM | 0.0500 mL | 0.2498 mL | 0.4996 mL | 1.2491 mL | |
| 60 mM | 0.0416 mL | 0.2082 mL | 0.4164 mL | 1.0409 mL | |
| 80 mM | 0.0312 mL | 0.1561 mL | 0.3123 mL | 0.7807 mL | |
| 100 mM | 0.0250 mL | 0.1249 mL | 0.2498 mL | 0.6245 mL |
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