Tiotropium Bromide
Based on 2 publication(s) in Google Scholar
Tiotropium bromide (BA-679 BR) is a long-acting anticholinergic bronchodilator. Tiotropium bromide blocks the action of acetylcholine at muscarinic M1, M2, and M3 receptors, prevents bronchoconstriction, and dilates bronchial airways. Tiotropium bromide is applicable to research related to chronic obstructive pulmonary disease and asthma.
For research use only. We do not sell to patients.
- Purity: 99.96%
- CAS No.: 136310-93-5
- Formula: C19H22BrNO4S2
- Molecular Weight:472.42
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Storage:
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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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
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Publications Citing Use of MedChemExpress (MCE) Tiotropium Bromide
More
Biological Activity
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mAChR1 |
mAChR2 |
mAChR3 |
Tiotropium bromide (0-100 nM) preferentially binds to M1 and M3 muscarinic receptors in isolated human lung, tracheal alveolar walls and submucosal glands[2].
Tiotropium bromide potently inhibits electric field stimulation-induced contraction of isolated human bronchi, with an IC50 of 0.24 nM[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
| NCT Number | Sponsor | Condition | Start Date |
Phase
|
|---|---|---|---|---|
| NCT01329991 | Plexxikon| | 2011-05 | PHASE1 |
Chemical Information
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CAS No. 136310-93-5
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Appearance Solid
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Molecular Weight 472.42
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Formula C19H22BrNO4S2
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Color White to off-white
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SMILES
O=C(C(C1=CC=CS1)(O)C2=CC=CS2)O[C@H]3C[C@H]([N+]4(C)C)[C@@H]5O[C@@H]5[C@H]4C3.[Br-]
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Synonyms
BA679 BR
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
4°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
Publications (2)
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Journal Impact Factor
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Most Recent
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Allergy
Acetylcholine From Solitary Chemosensory Cell, Not Neuron, Regulates Basal Cell Fate Driving Eosinophilic Chronic Rhinosinusitis With Nasal Polyps. [Abstract]2025 Sep 15. PMID: 40951952 -
Eur J Pharm Biopharm
Drug solubility in biorelevant media in the context of an inhalation-based biopharmaceutics classification system (iBCS). [Abstract]2024 Apr:197:114206. PMID: 38316234
Solvent & Solubility
DMSO : 250 mg/mL (529.19 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
H2O : 25 mg/mL (52.92 mM; Need ultrasonic)
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: ≥ 2.08 mg/mL (4.40 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.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.08 mg/mL (4.40 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 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: 27.5 mg/mL (58.21 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.
Purity & Documentation
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Data Sheet (281 KB)
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SDS (394 KB)
- English - EN (394 KB)
- Français - FR (394 KB)
- Deutsch - DE (394 KB)
- Norwegian - NO (394 KB)
- Español - ES (394 KB)
- Swedish - SV (394 KB)
- Italian - IT (394 KB)
- Portuguese - PT (394 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, 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 |
|---|---|---|---|---|---|
| H2O / DMSO | 1 mM | 2.1168 mL | 10.5838 mL | 21.1676 mL | 52.9190 mL |
| 5 mM | 0.4234 mL | 2.1168 mL | 4.2335 mL | 10.5838 mL | |
| 10 mM | 0.2117 mL | 1.0584 mL | 2.1168 mL | 5.2919 mL | |
| 15 mM | 0.1411 mL | 0.7056 mL | 1.4112 mL | 3.5279 mL | |
| 20 mM | 0.1058 mL | 0.5292 mL | 1.0584 mL | 2.6460 mL | |
| 25 mM | 0.0847 mL | 0.4234 mL | 0.8467 mL | 2.1168 mL | |
| 30 mM | 0.0706 mL | 0.3528 mL | 0.7056 mL | 1.7640 mL | |
| 40 mM | 0.0529 mL | 0.2646 mL | 0.5292 mL | 1.3230 mL | |
| 50 mM | 0.0423 mL | 0.2117 mL | 0.4234 mL | 1.0584 mL | |
| DMSO | 60 mM | 0.0353 mL | 0.1764 mL | 0.3528 mL | 0.8820 mL |
| 80 mM | 0.0265 mL | 0.1323 mL | 0.2646 mL | 0.6615 mL | |
| 100 mM | 0.0212 mL | 0.1058 mL | 0.2117 mL | 0.5292 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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