QWF Peptide
Based on 1 Customer Validation
QWF Peptide (Compound 4a) is a substance P antagonist with an IC50 of 0.09 μM. QWF Peptide antagonizes the SP-induced contraction of isolated guinea pig trachea strips with an IC50 of 4.7 μM.
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- Pureté: 98.51%
- CAS No.: 126088-82-2
- Formule: C38H43N5O8
- Masse moléculaire:697.78
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Stockage:
Sealed storage, away from moisture.
Powder -80°C, 2 years , -20°C, 1 year* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
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Activité biologique
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Chemical Information
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Solvant et solubilité
- Pureté et documentation
- Références
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Help & FAQs
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Activité biologique
IC50: 0.09 μM (substance P)[1]
{Boc}-Gln-{d-Trp(Formyl)}-Phe-{OBzl}
{Boc}-Q-{d-Trp(Formyl)}-F-{OBzl}
Chemical Information
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CAS No. 126088-82-2
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Appearance Solid
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Masse moléculaire 697.78
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Formule C38H43N5O8
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Color White to off-white
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Livraison
Room temperature in continental US; may vary elsewhere.
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Stockage
Sealed storage, away from moisture
Powder -80°C 2 years -20°C 1 year * In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
Solvant et solubilité
DMSO : 100 mg/mL (143.31 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 (sealed storage, away from moisture). 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 (sealed storage, away from moisture). 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. * In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
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.
Pureté et documentation
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Fiche technique (275 KB)
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SDS (254 KB)
- English - EN (254 KB)
- Français - FR (254 KB)
- Deutsch - DE (254 KB)
- Norwegian - NO (254 KB)
- Español - ES (254 KB)
- Swedish - SV (254 KB)
- Italian - IT (254 KB)
- Portuguese - PT (254 KB)
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Instruction de manipulation (2659 KB)
Références
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 (sealed storage, away from moisture). 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 | 1.4331 mL | 7.1656 mL | 14.3312 mL | 35.8279 mL |
| 5 mM | 0.2866 mL | 1.4331 mL | 2.8662 mL | 7.1656 mL | |
| 10 mM | 0.1433 mL | 0.7166 mL | 1.4331 mL | 3.5828 mL | |
| 15 mM | 0.0955 mL | 0.4777 mL | 0.9554 mL | 2.3885 mL | |
| 20 mM | 0.0717 mL | 0.3583 mL | 0.7166 mL | 1.7914 mL | |
| 25 mM | 0.0573 mL | 0.2866 mL | 0.5732 mL | 1.4331 mL | |
| 30 mM | 0.0478 mL | 0.2389 mL | 0.4777 mL | 1.1943 mL | |
| 40 mM | 0.0358 mL | 0.1791 mL | 0.3583 mL | 0.8957 mL | |
| 50 mM | 0.0287 mL | 0.1433 mL | 0.2866 mL | 0.7166 mL | |
| 60 mM | 0.0239 mL | 0.1194 mL | 0.2389 mL | 0.5971 mL | |
| 80 mM | 0.0179 mL | 0.0896 mL | 0.1791 mL | 0.4478 mL | |
| 100 mM | 0.0143 mL | 0.0717 mL | 0.1433 mL | 0.3583 mL |
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