Polymyxin B sulphate

For research use only.

Catalog No.S1395 Synonyms: Aerosporin, PMB, Poly-RX

1 publication

Polymyxin B sulphate Chemical Structure

CAS No. 1405-20-5

Polymyxin B (Aerosporin, PMB, Poly-RX) is an antibiotic primarily used for resistant gram-negative infections.

Selleck's Polymyxin B sulphate has been cited by 1 publication

Purity & Quality Control

Choose Selective Antineoplastic and Immunosuppressive Antibiotics Inhibitors

Biological Activity

Description Polymyxin B (Aerosporin, PMB, Poly-RX) is an antibiotic primarily used for resistant gram-negative infections.



Solubility (25°C)

In vitro Water 100 mg/mL (76.83 mM)
DMSO Insoluble
Ethanol 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 1301.56


CAS No. 1405-20-5
Storage powder
in solvent
Synonyms Aerosporin, PMB, Poly-RX

In vivo Formulation Calculator (Clear solution)

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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 (mg) = Concentration (mM) × Volume (mL) × 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 SDS / 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 SDS / COA (available online).

The Serial Dilution Calculator Equation

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  • Computed Result

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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

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Clinical Trial Information

NCT Number Recruitment interventions Conditions Sponsor/Collaborators Start Date Phases
NCT01795872 Completed Procedure: Several diagnostic procedures Multiple Sclerosis Bayer September 2013 Phase 4
NCT00951353 Completed -- Chronic Kidney Failure|End Stage Renal Disease National Institute of Allergy and Infectious Diseases (NIAID) July 2009 --

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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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID