Bambuterol HCl

Catalog No.S4277

Bambuterol HCl Chemical Structure

Molecular Weight(MW): 403.90

Purity & Quality Control

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Biological Activity

Description Bambuterol HCl is a potent β-adrenoceptor agonist, used in the treatment of asthma.
β-adrenergic receptor [1]



Solubility (25°C)

In vitro DMSO 80 mg/mL (198.06 mM)
Water 72 mg/mL (178.26 mM)
Ethanol 28 mg/mL warmed (69.32 mM)
In vivo

* 1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Information

Molecular Weight 403.90


CAS No. 81732-46-9
Storage powder
in solvent
Synonyms N/A

Bio Calculators

Molarity Calculator

Molarity Calculator

Calculate the mass, volume or concentration required for a solution. The Selleck molarity calculator is based on the following equation:

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

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*When preparing stock solutions, please always use the batch-specific molecular weight of the product found on the via label and MSDS / COA (available on product pages).

Dilution Calculator

Dilution Calculator

Calculate the dilution required to prepare a stock solution. The Selleck dilution calculator is based on the following equation:

Concentration (start) x Volume (start) = Concentration (final) x Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2 ( Input Output )

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* When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and MSDS / COA (available online).

The Serial Dilution Calculator Equation

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  • Computed Result

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    C4=C3/X C4: LOG(C4):
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Molecular Weight Calculator

Molecular Weight Calculator

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Definitions of molecular mass, molecular weight, molar mass and molar weight:

Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.

Molarity Calculator

Mass Concentration Volume Molecular Weight

Clinical Trial Information

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT01796730 Completed COPD The First Affiliated Hospital of Guangzhou Medical University|Nanfang Hospital of Southern Medical University|Guangzhou First Municipal People’s Hospital February 2013 Phase 4
NCT02002754 Unknown status Eosinophilic Bronchitis|Cough Variant Asthma The First Affiliated Hospital of Guangzhou Medical University June 2012 Phase 4
NCT01566565 Completed High Altitude Pulmonary Hypertension Norwegian Armed Forces Medical Service|Duke University|Oslo University Hospital March 2012 Phase 1

Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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Adrenergic Receptor Signaling Pathway Map

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID