KR-33493
Based on 1 Customer Validation
KR-33493 is a potent inhibitor of Fas-mediated cell death (FAF1).
For research use only. We do not sell to patients.
- Purity: 99.94%
- CAS No.: 1021497-97-1
- Formula: C20H18BrN3O3S
- Molecular Weight:460.34
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year
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
- Protocol
- Purity & Documentation
- References
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Help & FAQs
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Biological Activity
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Fas |
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 1021497-97-1
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Appearance Solid
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Molecular Weight 460.34
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Formula C20H18BrN3O3S
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Color White to off-white
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SMILES
OC(C1=NN(CCC2=CC=CC=C2)C=C1NC(CSC3=CC=C(Br)C=C3)=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 2 years -20°C 1 year
Solvent & Solubility
DMSO : ≥ 31 mg/mL (67.34 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
* "≥" 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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
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: ≥ 2.5 mg/mL (5.43 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.
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.
Protocol
A total of 93 male and 93 female specific pathogen-free rats (6 weeks of age), and 16 male and 16 female beagle dogs (8 months of age) are used in this study. In a toxicokinetic study, rat blood samples (approximately 0.6 mL) are collected into tubes containing heparin from the lateral tail vein at 0, 0.5, 1, 2, 4, 8, 12, and 24 h after dosing with KR-33493 at doses of 50, 150, and 500 mg/kg/day on Day 1 and Week 4. Dog blood samples (approximately 0.6 mL) are collected into tubes containing EDTA-2K from the cephalic vein at 0, 0.5, 1, 2, 4, 6, 8, and 24 h after dosing at KR-33493 doses of 50, 250, and 1000 mg/kg/day on Day 1 and Week 2. The plasma is separated by centrifugation (approximately 132,000 g, 3 min, 4°C) and stored at approximately -80°C until analysis. The KR-33493 concentration in plasma is quantified[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Purity & Documentation
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Data Sheet (275 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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
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| DMSO | 1 mM | 2.1723 mL | 10.8615 mL | 21.7231 mL | 54.3077 mL |
| 5 mM | 0.4345 mL | 2.1723 mL | 4.3446 mL | 10.8615 mL | |
| 10 mM | 0.2172 mL | 1.0862 mL | 2.1723 mL | 5.4308 mL | |
| 15 mM | 0.1448 mL | 0.7241 mL | 1.4482 mL | 3.6205 mL | |
| 20 mM | 0.1086 mL | 0.5431 mL | 1.0862 mL | 2.7154 mL | |
| 25 mM | 0.0869 mL | 0.4345 mL | 0.8689 mL | 2.1723 mL | |
| 30 mM | 0.0724 mL | 0.3621 mL | 0.7241 mL | 1.8103 mL | |
| 40 mM | 0.0543 mL | 0.2715 mL | 0.5431 mL | 1.3577 mL | |
| 50 mM | 0.0434 mL | 0.2172 mL | 0.4345 mL | 1.0862 mL | |
| 60 mM | 0.0362 mL | 0.1810 mL | 0.3621 mL | 0.9051 mL |
KR-33493 Related Classifications
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