Levalbuterol
Based on 1 Customer Validation
Levalbuterol ((R)-Albuterol; (R)-Salbutamol) is a short-acting β2-adrenergic receptor agonist and the active (R)-enantiomer of Salbutamol. Levalbuterol is a more potent bronchodilator than Salbutamol and has the potential for the treatment of COPD.
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- Purity: 99.79%
- CAS No.: 34391-04-3
- 화학식: C13H21NO3
- 분자량:239.31
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보관: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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용액&용해도
- 순도&문서
- References
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Help & FAQs
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All Adrenergic Receptor Isoforms
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Biological Activity
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β adrenergic receptor |
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| HEK-293T | EC50 |
145 nM
Compound: salbutamol, albuterol
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Agonist activity at recombinant human beta2 adrenoceptor expressed in HEK293T cells assessed as increase in IBMX-induced cAMP accumulation using [3H]-cAMP after 30 mins by liquid scintillation counting
Agonist activity at recombinant human beta2 adrenoceptor expressed in HEK293T cells assessed as increase in IBMX-induced cAMP accumulation using [3H]-cAMP after 30 mins by liquid scintillation counting
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[PMID: 22182578] |
| HEK-293T | EC50 |
275 nM
Compound: salbutamol, albuterol
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Agonist activity at recombinant human beta2 adrenoceptor expressed in HEK293T cells assessed as increase in IBMX-induced cAMP accumulation using [3H]-cAMP after 30 mins by liquid scintillation counting in presence of 100 uM boric acid
Agonist activity at recombinant human beta2 adrenoceptor expressed in HEK293T cells assessed as increase in IBMX-induced cAMP accumulation using [3H]-cAMP after 30 mins by liquid scintillation counting in presence of 100 uM boric acid
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[PMID: 22182578] |
| HEK-293T | EC50 |
457 nM
Compound: salbutamol, albuterol
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Agonist activity at recombinant human beta2 adrenoceptor expressed in HEK293T cells assessed as increase in IBMX-induced cAMP accumulation using [3H]-cAMP after 30 mins by liquid scintillation counting in presence of 100 uM phenylboronic acid
Agonist activity at recombinant human beta2 adrenoceptor expressed in HEK293T cells assessed as increase in IBMX-induced cAMP accumulation using [3H]-cAMP after 30 mins by liquid scintillation counting in presence of 100 uM phenylboronic acid
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[PMID: 22182578] |
Levalbuterol (10 μM; 24 hours) induces 11β-HSD1 mRNA expression, however, it does not influence 11β-HSD2expression in airway epithelial cells[1].Levalbuterol (10 μM; 24 hours) significantly reduces both LPS- and TNF-α-induced NF-κB activity while increasing GRE activation in an 11β-HSD1 dependent manner in a transformed mouse airway epithelial cell line[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:Murine Club (MTCC) cells
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Concentration:10 μM
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Incubation Time:24 hours
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Result:Increased 11β-HSD1 mRNA expression selectively.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:C57BL/6 female mice with a pulmonary allergic model[3]
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Dosage:1 mg/kg
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Administration:Subcutaneous injection; 1 mg/kg; 14 days
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Result:Decreased pulmonary inflammation after OVA sensitization.
Chemical Information
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CAS No. 34391-04-3
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Appearance Solid
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분자량 239.31
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화학식 C13H21NO3
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Color Light yellow to yellow
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SMILES
CC(C)(NC[C@@H](C1=CC=C(C(CO)=C1)O)O)C
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Synonyms
(R)-Albuterol; (R)-Salbutamol; Levosalbutamol
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선적
Room temperature in continental US; may vary elsewhere.
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보관
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
용액&용해도
DMSO : 50 mg/mL (208.93 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: 2.5 mg/mL (10.45 mM); Suspended solution; Need ultrasonic
This protocol yields a suspended solution of 2.5 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.
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 (10.45 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.
순도&문서
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Data Sheet (272 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)
- Korean - KR (254 KB)
- Portuguese - PT (254 KB)
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Handling Instructions (2659 KB)
References
[1]. Randall MJ, et al. Anti-inflammatory effects of levalbuterol-induced 11β-hydroxysteroid dehydrogenase type 1 activity in airway epithelial cells.Front Endocrinol (Lausanne). 2015 Jan 12;5:236. [Content Brief]
[2]. Ferrada MA, et al. (R)-albuterol decreases immune responses: role of activated T cells.Respir Res. 2008 Jan 14;9:3. [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 | 4.1787 mL | 20.8934 mL | 41.7868 mL | 104.4670 mL |
| 5 mM | 0.8357 mL | 4.1787 mL | 8.3574 mL | 20.8934 mL | |
| 10 mM | 0.4179 mL | 2.0893 mL | 4.1787 mL | 10.4467 mL | |
| 15 mM | 0.2786 mL | 1.3929 mL | 2.7858 mL | 6.9645 mL | |
| 20 mM | 0.2089 mL | 1.0447 mL | 2.0893 mL | 5.2234 mL | |
| 25 mM | 0.1671 mL | 0.8357 mL | 1.6715 mL | 4.1787 mL | |
| 30 mM | 0.1393 mL | 0.6964 mL | 1.3929 mL | 3.4822 mL | |
| 40 mM | 0.1045 mL | 0.5223 mL | 1.0447 mL | 2.6117 mL | |
| 50 mM | 0.0836 mL | 0.4179 mL | 0.8357 mL | 2.0893 mL | |
| 60 mM | 0.0696 mL | 0.3482 mL | 0.6964 mL | 1.7411 mL | |
| 80 mM | 0.0522 mL | 0.2612 mL | 0.5223 mL | 1.3058 mL | |
| 100 mM | 0.0418 mL | 0.2089 mL | 0.4179 mL | 1.0447 mL |
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