Sulfamethoxazole

For research use only.

Catalog No.S1915

Sulfamethoxazole Chemical Structure

CAS No. 723-46-6

Sulfamethoxazole is a sulfonamide bacteriostatic antibiotic with an IC50 of 2.7 μM.

Purity & Quality Control

Choose Selective Bacterial Inhibitors

Biological Activity

Description Sulfamethoxazole is a sulfonamide bacteriostatic antibiotic with an IC50 of 2.7 μM.

Protocol

References

Solubility (25°C)

In vitro DMSO 51 mg/mL (201.35 mM)
Water Insoluble
Ethanol '23 mg/mL

* 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 253.28
Formula

C10H11N3O3S

CAS No. 723-46-6
Storage powder
in solvent
Synonyms N/A
Smiles CC1=CC(=NO1)NS(=O)(=O)C2=CC=C(C=C2)N

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)
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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 (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

  • Serial Dilutions

  • Computed Result

  • C1=C0/X C1: LOG(C1):
    C2=C1/X C2: LOG(C2):
    C3=C2/X C3: LOG(C3):
    C4=C3/X C4: LOG(C4):
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    C8=C7/X C8: LOG(C8):
Molecular Weight Calculator

Molecular Weight Calculator

Enter the chemical formula of a compound to calculate its molar mass and elemental composition:

Total Molecular Weight: g/mol

Tip: Chemical formula is case sensitive. C10H16N2O2 c10h16n2o2

Instructions to calculate molar mass (molecular weight) of a chemical compound:

To calculate molar mass of a chemical compound, please enter its chemical formula and click 'Calculate'.

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
NCT02475876 Completed Drug: Clindamycin|Drug: trimethoprim-sulfamethoxazole Bacterial Infections Michael Cohen-Wolkowiez|Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)|Duke University November 2015 Phase 1
NCT01167452 Completed Drug: Sulfamethoxazole/trimethoprim Obesity|Pharmacokinetics|MRSA|Tuberculosis|PCP Texas Tech University Health Sciences Center|National Center for Research Resources (NCRR)|University of Texas Southwestern Medical Center July 2010 Phase 4
NCT01272999 Completed Other: No intervention Acute Otitis Media|Mastoiditis Pfizer May 21 2010 --

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