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Benzenesulfonamide (Benzenesulphonamide, Benzosulfonamide)

Alias: Benzenesulphonamide, Benzosulfonamide, Phenyl sulfonamide, Benzene sulfonamide
Cat No.:V2629 Purity: ≥98%
Benzenesulfonamide (Phenyl sulfonamide, Benzene sulfonamide), the amide of benzenesulfonic acid, ia an inhibitor of carbonic anhydrases (CAI).
Benzenesulfonamide (Benzenesulphonamide, Benzosulfonamide)
Benzenesulfonamide (Benzenesulphonamide, Benzosulfonamide) Chemical Structure CAS No.: 98-10-2
Product category: Carbonic Anhydrase
This product is for research use only, not for human use. We do not sell to patients.
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description

Benzenesulfonamide (Phenyl sulfonamide, Benzene sulfonamide), the amide of benzenesulfonic acid, ia an inhibitor of carbonic anhydrases (CAI). Benzenesulfonamidehas been used to produce various derivatives, especially those used as intermediates in the synthesis of photochemicals, dyes, disinfectants, as well as pharmaceuticals.

Biological Activity I Assay Protocols (From Reference)
ln Vitro

In vitro activity: In a previous study, a series of N-aryl-β-alanine- and diazo-derivatives of benzenesulfonamide were designed, synthesized, and their binding affinities to carbonic anhydrases (CA) I, II, VI, VII, XII, and XIII was investigated by the use of isothermal titration calorimetry and fluorescent thermal shift assay. The results indicated that 4-substituted diazobenzenesulfonamides were found to be most potent CA binders among the synthesized derivatives. In addition, the majority of the N-aryl-β-alanine derivatives had better affinity for CA II while diazobenzenesulfonamides showed nanomolar affinities towards CA I isozyme. Moreover, the X-ray crystallographic data showed the binding modes of both derivative groups.

ln Vivo
In the rat CPE model, the most potnet benzenesulfonamide indole derivative at 10 mg/kg in the MC/TW formulation displayed oral efficacy. Moreover, this compound, when administered in another preferred, minimal formulation in the same in vivo model, demonstrated superior oral efficacy to the lead phenylmethane sulfonamide WAY-196025 orally administered in a lipid-based formulation. In addition, this benzenesulfonamide indole derivative was also orally efficacious at 1 mg/kg by attenuating both LAR and the associated AHR to aerosolized carbachol in naturally sensitized sheep, which had been challenged through the airways with A. suum antigen.
Animal Protocol
10 mg/kg; oral
Rats
References
Molecules.2014 Oct 28;19(11):17356-80;Bioorg Med Chem.2008 Feb 1;16(3):1345-58.
Additional Infomation
Benzenesulfonamide is a sulfonamide.
A group of compounds that contain sulfonamide group S-linked to a benzene ring. Many benzenesulfonamide derivatives are pharmaceuticals (e.g., BOSENTAN; SULFAPYRIDINE; and SULFADIAZINE; CELECOXIB) as their sulfonamide moiety target various enzymes (e.g., CARBONIC ANHYDRASES; ACETYLCHOLINESTERASE; BUTYRYLCHOLINESTERASE; and CYCLOOXYNENASE 2).
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C6H7NO2S
Molecular Weight
157.19
Exact Mass
157.019
CAS #
98-10-2
Related CAS #
98-10-2
PubChem CID
7370
Appearance
White to off-white solid powder
Density
1.3±0.1 g/cm3
Boiling Point
299.1±23.0 °C at 760 mmHg
Melting Point
149-152 °C(lit.)
Flash Point
134.7±22.6 °C
Vapour Pressure
0.0±0.7 mmHg at 25°C
Index of Refraction
1.584
LogP
0.62
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
3
Rotatable Bond Count
1
Heavy Atom Count
10
Complexity
186
Defined Atom Stereocenter Count
0
InChi Key
KHBQMWCZKVMBLN-UHFFFAOYSA-N
InChi Code
InChI=1S/C6H7NO2S/c7-10(8,9)6-4-2-1-3-5-6/h1-5H,(H2,7,8,9)
Chemical Name
benzenesulfonamide
Synonyms
Benzenesulphonamide, Benzosulfonamide, Phenyl sulfonamide, Benzene sulfonamide
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO:31 mg/mL (197.2 mM)
Water:<1 mg/mL
Ethanol:31 mg/mL (197.2 mM)
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 6.3617 mL 31.8086 mL 63.6173 mL
5 mM 1.2723 mL 6.3617 mL 12.7235 mL
10 mM 0.6362 mL 3.1809 mL 6.3617 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
  • Calculate the Volume of solution required to dissolve a compound of known mass to a desired concentration
  • Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume
An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or 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.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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