Gemilukast
Based on 1 Customer Validation
Gemilukast is an orally active and potent dual cysteinyl leukotriene 1 and 2 receptors (CysLT1 and CysLT2) antagonist, with IC50s of 1.7, 25 nM for human CysLT1 and CysLT2, respectively. Gemilukast is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
For research use only. We do not sell to patients.
- Purity: 99.49%
- CAS No.: 1232861-58-3
- Formula: C36H37F2NO5
- Molecular Weight:601.68
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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 Leukotriene Receptor Isoforms
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Biological Activity
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CysLT1 1.7 nM (IC50) |
CysLT2 25 nM (IC50) |
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| CHO-K1 | IC50 |
1.7 nM
Compound: 35
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Antagonist activity at human CysLT1 expressed in CHOK1 cells assessed as inhibition of LTD4-induced calcium mobilization preincubated for 30 mins prior to LTD4 addition measured after 1 hr by Fura 2-AM dye-based fluorescence assay
Antagonist activity at human CysLT1 expressed in CHOK1 cells assessed as inhibition of LTD4-induced calcium mobilization preincubated for 30 mins prior to LTD4 addition measured after 1 hr by Fura 2-AM dye-based fluorescence assay
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[PMID: 26200813] |
| CHO-K1 | IC50 |
6.3 nM
Compound: 35
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Antagonist activity at guinea pig CysLT1 expressed in CHOK1 cells assessed as inhibition of LTD4-induced calcium mobilization preincubated for 30 mins prior to LTD4 addition measured after 1 hr by Fura 2-AM dye-based fluorescence assay
Antagonist activity at guinea pig CysLT1 expressed in CHOK1 cells assessed as inhibition of LTD4-induced calcium mobilization preincubated for 30 mins prior to LTD4 addition measured after 1 hr by Fura 2-AM dye-based fluorescence assay
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[PMID: 26200813] |
| CHO-K1 | IC50 |
8.2 nM
Compound: 35
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Antagonist activity at guinea pig CysLT2 expressed in CHOK1 cells assessed as inhibition of LTC4-induced calcium mobilization preincubated for 30 mins prior to LTD4 addition measured after 1 hr by Fura 2-AM dye-based fluorescence assay
Antagonist activity at guinea pig CysLT2 expressed in CHOK1 cells assessed as inhibition of LTC4-induced calcium mobilization preincubated for 30 mins prior to LTD4 addition measured after 1 hr by Fura 2-AM dye-based fluorescence assay
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[PMID: 26200813] |
| HEK293 | IC50 |
25 nM
Compound: 35
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Antagonist activity at human CysLT2 expressed in HEK293 cells assessed as inhibition of LTD4-induced calcium mobilization preincubated for 30 mins prior to LTD4 addition measured after 1 hr by Fura 2-AM dye-based fluorescence assay
Antagonist activity at human CysLT2 expressed in HEK293 cells assessed as inhibition of LTD4-induced calcium mobilization preincubated for 30 mins prior to LTD4 addition measured after 1 hr by Fura 2-AM dye-based fluorescence assay
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[PMID: 26200813] |
Gemilukast is an orally active and potent dual cysteinyl leukotriene 1 and 2 receptors (CysLT1 and CysLT2) antagonist, with IC50s of 1.7, 25 nM for human CysLT1 and CysLT2, respectively[1]. Both Gemilukast (ONO-6950) and montelukast inhibit human CysLT1 receptor-mediated calcium response with IC50 values of 1.7 and 0.46 nM, respectively[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 1232861-58-3
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Appearance Solid
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Molecular Weight 601.68
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Formula C36H37F2NO5
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Color White to off-white
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SMILES
O=C(O)CCCN1C(C)=C(CCCC(O)=O)C2=C1C(C#CC3=CC=C(OCCCCC4=CC=CC(F)=C4C)C=C3)=CC=C2F
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Synonyms
ONO-6950
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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 : 250 mg/mL (415.50 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: ≥ 2.08 mg/mL (3.46 mM); Clear solution
This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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.
Purity & Documentation
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Data Sheet (272 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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Handling Instructions (2659 KB)
References
[1]. Itadani S, et al. Discovery of Gemilukast (ONO-6950), a Dual CysLT1 and CysLT2 Antagonist As a Therapeutic Agent for Asthma. J Med Chem. 2015 Aug 13;58(15):6093-113. [Content Brief]
[2]. Yonetomi Y, et al. Effects of ONO-6950, a novel dual cysteinyl leukotriene 1 and 2 receptors antagonist, in a guinea pig model of asthma. Eur J Pharmacol. 2015 Oct 15;765:242-8. [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, 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 | 1.6620 mL | 8.3101 mL | 16.6201 mL | 41.5503 mL |
| 5 mM | 0.3324 mL | 1.6620 mL | 3.3240 mL | 8.3101 mL | |
| 10 mM | 0.1662 mL | 0.8310 mL | 1.6620 mL | 4.1550 mL | |
| 15 mM | 0.1108 mL | 0.5540 mL | 1.1080 mL | 2.7700 mL | |
| 20 mM | 0.0831 mL | 0.4155 mL | 0.8310 mL | 2.0775 mL | |
| 25 mM | 0.0665 mL | 0.3324 mL | 0.6648 mL | 1.6620 mL | |
| 30 mM | 0.0554 mL | 0.2770 mL | 0.5540 mL | 1.3850 mL | |
| 40 mM | 0.0416 mL | 0.2078 mL | 0.4155 mL | 1.0388 mL | |
| 50 mM | 0.0332 mL | 0.1662 mL | 0.3324 mL | 0.8310 mL | |
| 60 mM | 0.0277 mL | 0.1385 mL | 0.2770 mL | 0.6925 mL | |
| 80 mM | 0.0208 mL | 0.1039 mL | 0.2078 mL | 0.5194 mL | |
| 100 mM | 0.0166 mL | 0.0831 mL | 0.1662 mL | 0.4155 mL |
Gemilukast Related Classifications
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