Ipratropium bromide
Based on 1 publication(s) in Google Scholar
Ipratropium bromide (Sch 1000) is a muscarinic receptor antagonist, with IC50s of 2.9 nM, 2 nM, and 1.7 nM for M1, M2, and M3 receptors, respectively. Ipratropium bromide relaxes smooth muscle, can be used in the research for COPD (chronic obstructive pulmonary disease) and asthma.
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- Purity: 99.92%
- CAS No.: 22254-24-6
- 화학식: C20H30BrNO3
- 분자량:412.36
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보관:
4°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
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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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Publications Citing Use of MedChemExpress (MCE) Ipratropium bromide
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Biological Activity
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mAChR1 |
mAChR2 |
mAChR3 |
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| CHO-K1 | IC50 |
1.7 nM
Compound: Ipratropium bromide
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Displacement of [3H]NMS from human M3 receptor expressed in CHOK1 cell membranes after 4 hrs by scintillation counting method
Displacement of [3H]NMS from human M3 receptor expressed in CHOK1 cell membranes after 4 hrs by scintillation counting method
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[PMID: 25800115] |
| CHO-K1 | IC50 |
2 nM
Compound: Ipratropium bromide
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Displacement of [3H]NMS from human M2 receptor expressed in CHOK1 cell membranes after 4 hrs by scintillation counting method
Displacement of [3H]NMS from human M2 receptor expressed in CHOK1 cell membranes after 4 hrs by scintillation counting method
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[PMID: 25800115] |
| CHO-K1 | IC50 |
2.07 nM
Compound: Ipratropium bromide
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Displacement of [3H]NMS from human muscarinic M3 receptor expressed in CHOK1 cells by microplate scintillation counting
Displacement of [3H]NMS from human muscarinic M3 receptor expressed in CHOK1 cells by microplate scintillation counting
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[PMID: 19653626] |
| CHO-K1 | IC50 |
2.24 nM
Compound: Ipratropium bromide
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Displacement of [3H]NMS from human muscarinic M2 receptor expressed in CHOK1 cells by microplate scintillation counting
Displacement of [3H]NMS from human muscarinic M2 receptor expressed in CHOK1 cells by microplate scintillation counting
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[PMID: 19653626] |
| CHO-K1 | IC50 |
2.65 nM
Compound: Ipratropium bromide
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Displacement of [3H]NMS from human muscarinic M1 receptor expressed in CHOK1 cells by microplate scintillation counting
Displacement of [3H]NMS from human muscarinic M1 receptor expressed in CHOK1 cells by microplate scintillation counting
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[PMID: 19653626] |
| CHO-K1 | IC50 |
2.9 nM
Compound: Ipratropium bromide
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Displacement of [3H]NMS from human M1 receptor expressed in CHOK1 cell membranes after 4 hrs by scintillation counting method
Displacement of [3H]NMS from human M1 receptor expressed in CHOK1 cell membranes after 4 hrs by scintillation counting method
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[PMID: 25800115] |
Ipratropium bromide (1 nM, 10 nM, 100 nM; 15 min) exerts its toxic effects via disruption of mitochondrial membrane potential[1].
Ipratropium bromide (1 nM-1 μM; 4 h) increases infarct size in isolated perfused heart ischaemia/reperfusion experiments with a dose-responsive manner (EC50=22.7 nM)[1].
Ipratropium bromide (0.001 nM-0.1 mM; 2 h) inhibits adult rat cardiac myocyte growth after 4 h hypoxia treatment[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:Adult Rat Cardiac Myocyte
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Concentration:0.001 nM-0.1 mM
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Incubation Time:2 h in dark; prior to 4 h hypoxia
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Result:Resulted cell viability in a dose-dependent manner, with the inhibition rate of 52.7% at 0.1 mM dose.
? Ipratropium bromide (0.04 mg/20 mL and 0.20 mg/20 mL; 30 min, rate=30 mL/30 min) can protect the lungs against the cadmium-induced acute neutrophilic inflammation by reducing the parenchyma inflammatory infiltration of neutrophils[4].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Guinea-pigs of the Dunkin Hartley strain[2].
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Dosage:0.1-1 μg/kg
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Administration:Intravenous injection; single dose
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Result:Resulted little blocking effect on post-junctional muscarinic receptors at 0.3 μg/kg, and inhibited ACh-induced bronchoconstriction at 0.5 μg/kg.
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Animal Model:Male Sprague-Dawley rats (300-350 g)[4]
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Dosage:0.04 mg/20 mL and 0.20 mg/20 mL
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Administration:Inhalation; atomization rate of 30 mL/30 min; 30 min
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Result:Had no significant effects on any parameters recorded in healthy rats but exerted a protective effect against the inflammatory reaction elicited by cadmium.
Chemical Information
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CAS No. 22254-24-6
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Appearance Solid
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분자량 412.36
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화학식 C20H30BrNO3
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Color White to off-white
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SMILES
C[N+]1([C@H]2CC[C@H]1CC(OC(C(CO)C3=CC=CC=C3)=O)C2)C(C)C.[Br-]
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Synonyms
Sch 1000
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선적
Room temperature in continental US; may vary elsewhere.
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보관
4°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
Publications (1)
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Journal Impact Factor
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Most Recent
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J Enzyme Inhib Med Chem
Natural product sennoside B disrupts liquid-liquid phase separation of SARS-CoV-2 nucleocapsid protein by inhibiting its RNA-binding activity. [Abstract]2025 Dec;40(1):2501743. PMID: 40371698
용액&용해도
H2O : 100 mg/mL (242.51 mM; Need ultrasonic)
DMSO : ≥ 35 mg/mL (84.88 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, 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.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
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.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
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 (6.06 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 (6.06 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.
For the following dissolution methods, please prepare the working solution directly:
It is recommended to prepare fresh solutions and use them promptly within a short period of time.
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: PBS
Solubility: 50 mg/mL (121.25 mM); Clear solution; Need ultrasonic
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.
Working solution concentration: 0.22 mg/mL
This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.
순도&문서
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Data Sheet (283 KB)
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SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Portuguese - PT (393 KB)
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Handling Instructions (2659 KB)
References
[1]. Fryer AD, et al. Maclagan, Ipratropium bromide potentiates bronchoconstriction induced by vagal nerve stimulation in the guinea-pig. Eur J Pharmacol, 1987. 139(2): p. 187-91. [Content Brief]
[2]. Harvey, et al. Maddock, Ipratropium Bromide-Mediated Myocardial Injury in In Vitro Models of Myocardial Ischaemia/Reperfusion. Toxicol Sci, 2014. [Content Brief]
[3]. Maria Prat, et al. Discovery of novel quaternary ammonium derivatives of (3R)-quinuclidinyl amides as potent and long acting muscarinic antagonists. Bioorg Med Chem Lett. 2015 Apr 15;25(8):1736-1741. [Content Brief]
[4]. Wenhui Zhang, et al. Anti-inflammatory effects of formoterol and ipratropium bromide against acute cadmium-induced pulmonary inflammation in rats. Eur J Pharmacol. 2010 Feb 25;628(1-3):171-8. [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, 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 / H2O | 1 mM | 2.4251 mL | 12.1253 mL | 24.2507 mL | 60.6266 mL |
| 5 mM | 0.4850 mL | 2.4251 mL | 4.8501 mL | 12.1253 mL | |
| 10 mM | 0.2425 mL | 1.2125 mL | 2.4251 mL | 6.0627 mL | |
| 15 mM | 0.1617 mL | 0.8084 mL | 1.6167 mL | 4.0418 mL | |
| 20 mM | 0.1213 mL | 0.6063 mL | 1.2125 mL | 3.0313 mL | |
| 25 mM | 0.0970 mL | 0.4850 mL | 0.9700 mL | 2.4251 mL | |
| 30 mM | 0.0808 mL | 0.4042 mL | 0.8084 mL | 2.0209 mL | |
| 40 mM | 0.0606 mL | 0.3031 mL | 0.6063 mL | 1.5157 mL | |
| 50 mM | 0.0485 mL | 0.2425 mL | 0.4850 mL | 1.2125 mL | |
| 60 mM | 0.0404 mL | 0.2021 mL | 0.4042 mL | 1.0104 mL | |
| 80 mM | 0.0303 mL | 0.1516 mL | 0.3031 mL | 0.7578 mL | |
| H2O | 100 mM | 0.0243 mL | 0.1213 mL | 0.2425 mL | 0.6063 mL |
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
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