ELN-441958
Based on 1 Customer Validation
ELN-441958 is a potent, neutral, competitive and selective bradykinin B1 receptor antagonist with a Ki of 0.26 nM against native human bradykinin B1 receptor. ELN-441958 has high oral bioavailability, and has low CNS exposure in the mouse.
For research use only. We do not sell to patients.
- Purity: 99.17%
- CAS No.: 913064-47-8
- Formula: C29H29ClN4O2
- Molecular Weight:501.02
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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
- Purity & Documentation
- References
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Help & FAQs
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All Bradykinin Receptor Isoforms
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Biological Activity
Ki: 0.26 nM (native human bradykinin B1 receptor)[1]
ELN-441958 is selective for primate over rodent B1 receptors with a rank order potency (KB, nanomolar) of human (0.12 ± 0.02) ~ rhesus monkey (0.24 ± 0.01) > rat (1.5 ± 0.4) > mouse (14 ± 4)[1].
ELN-441958 has good permeability and metabolic stability[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
ELN-441958 (0-10 mg/kg; i.v. or p.o.) exhibits a favorable pharmacokinetic profile in the rat and rhesus monkey[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Adult male and female rhesus monkeys[1]
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Dosage:1, 3, or 10 mg/kg
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Administration:Subcutaneous injection, 30 min before carrageenan injection
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Result:Increased the tail-withdrawal latencies in a dose-dependent manner.
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Animal Model:Rhesus monkeys or Sprague-Dawley rats[1]
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Dosage:2.5 or 10 mg/kg for rats, 1 mg/kg or 5 mg/kg for rhesus monkeys
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Administration:Intravenous injection (2.5 mg/kg and 1 mg/kg) or oral administration (10 mg/kg and 5 mg/kg) (Pharmacokinetic Analysis)
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Result:In rats: When dosed intravenously, showed a moderate volume of distribution (2.7 L/kg, approximately four times total body water) and a moderate clearance (0.96 L/h/kg, approximately 24% of hepatic blood flow). The terminal plasma half-life of this compound in rats was 1.7 h. When dosed orally, the concentrations increased to a maximum of 1.2 g/mL at 2 h after dosing. The oral availability was 57%.
In rhesus monkeys: When dosed intravenously, showed a moderate volume of distribution (2.7 L/kg) and a moderate clearance (0.49 L/h/kg, approximately 32% of hepatic blood flow). The terminal plasma half-life was 3.9 h. When dosed orally, the concentrations increased to a maximum of 3.6 g/mL at 3.3 h after dosing. The calculated oral bioavailability was greater than 100%.
Chemical Information
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CAS No. 913064-47-8
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Appearance Solid
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Molecular Weight 501.02
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Formula C29H29ClN4O2
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Color White to off-white
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SMILES
ClC1=C2C(CN(C3=CC=CC(C(N4CCC5(CCN(C6=CC=NC=C6)CC5)CC4)=O)=C3)C2=O)=CC=C1
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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 : 100 mg/mL (199.59 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, 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 (4.99 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.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.5 mg/mL (4.99 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 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 (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, 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 |
|---|---|---|---|---|---|
| DMSO | 1 mM | 1.9959 mL | 9.9796 mL | 19.9593 mL | 49.8982 mL |
| 5 mM | 0.3992 mL | 1.9959 mL | 3.9919 mL | 9.9796 mL | |
| 10 mM | 0.1996 mL | 0.9980 mL | 1.9959 mL | 4.9898 mL | |
| 15 mM | 0.1331 mL | 0.6653 mL | 1.3306 mL | 3.3265 mL | |
| 20 mM | 0.0998 mL | 0.4990 mL | 0.9980 mL | 2.4949 mL | |
| 25 mM | 0.0798 mL | 0.3992 mL | 0.7984 mL | 1.9959 mL | |
| 30 mM | 0.0665 mL | 0.3327 mL | 0.6653 mL | 1.6633 mL | |
| 40 mM | 0.0499 mL | 0.2495 mL | 0.4990 mL | 1.2475 mL | |
| 50 mM | 0.0399 mL | 0.1996 mL | 0.3992 mL | 0.9980 mL | |
| 60 mM | 0.0333 mL | 0.1663 mL | 0.3327 mL | 0.8316 mL | |
| 80 mM | 0.0249 mL | 0.1247 mL | 0.2495 mL | 0.6237 mL | |
| 100 mM | 0.0200 mL | 0.0998 mL | 0.1996 mL | 0.4990 mL |
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