4-Ethynylbenzenesulfonamide

Modify Date: 2026-07-28 09:06:28

4-Ethynylbenzenesulfonamide Structure
4-Ethynylbenzenesulfonamide structure
 Common Name 4-Ethynylbenzenesulfonamide
CAS Number 1788-08-5 Molecular Weight 181.212
Density 1.4±0.1 g/cm3 Boiling Point 338.2±44.0 °C at 760 mmHg
Molecular Formula C8H7NO2S Melting Point 180 °C
MSDS N/A Flash Point 158.4±28.4 °C

 Names

Name 4-Ethynylbenzenesulfonamide
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 338.2±44.0 °C at 760 mmHg
Melting Point 180 °C
Molecular Formula C8H7NO2S
Molecular Weight 181.212
Flash Point 158.4±28.4 °C
Exact Mass 181.019745
PSA 68.54000
LogP 0.51
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.623
InChIKey OQPUCENNUFNCQO-UHFFFAOYSA-N
SMILES C#Cc1ccc(S(N)(=O)=O)cc1
Storage condition 2-8°C

 Safety Information

Hazard Codes Xi
HS Code 2935009090

 Synthetic Route

4-((TRIMETHYLSILYL)ETHYNYL)BENZENESULFONAMIDE structure

4-((TRIMETHYLSI...

CAS#:775331-26-5

~63%

4-Ethynylbenzenesulfonamide Structure

4-Ethynylbenzen...

CAS#:1788-08-5

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Literature: PHARMACIA CORPORATION Patent: WO2004/87686 A2, 2004 ; Location in patent: Page 229 ; Title/Abstract Full Text Show Details PHARMACIA CORPORATION Patent: WO2004/87687 A1, 2004 ; Location in patent: Page 229 ; WO 2004/087687 A1
4-Bromobenzenesulfonamide structure

4-Bromobenzenes...

CAS#:701-34-8

~%

4-Ethynylbenzenesulfonamide Structure

4-Ethynylbenzen...

CAS#:1788-08-5

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Literature: Organic and biomolecular chemistry, , vol. 1, # 3 p. 498 - 506
4-Bromobenzenesulfonamide structure

4-Bromobenzenes...

CAS#:701-34-8

TMS-acetylene structure

TMS-acetylene

CAS#:1066-54-2

~%

4-Ethynylbenzenesulfonamide Structure

4-Ethynylbenzen...

CAS#:1788-08-5

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Literature: WO2006/71184 A1, ; Page/Page column 15 ; WO 2006/071184 A1
(Z)-4-(2-bromovinyl)benzenesulfonamide structure

(Z)-4-(2-bromov...

CAS#:1056474-58-8

~%

4-Ethynylbenzenesulfonamide Structure

4-Ethynylbenzen...

CAS#:1788-08-5

Learn More
Literature: Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences, , vol. 64, # 3 p. 292 - 296

 Customs

HS Code 2935009090
Summary 2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%

 4-EthynylbenzenesulfonamideBioassay

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Name: Inhibition of recombinant human carbonic anhydrase 4 incubated for 15 mins prior to t...
Source: ChEMBL
Target: Carbonic anhydrase 4
External Id: CHEMBL4361650
Name: Selectivity ratio of Ki for carbonic anhydrase 1 to Ki for carbonic anhydrase 9
Source: ChEMBL
Target: N/A
External Id: CHEMBL1839020
Name: Inhibition of recombinant carbonic anhydrase 9 by stopped flow CO2 hydration assay
Source: ChEMBL
Target: Carbonic anhydrase 9
External Id: CHEMBL1839019
Name: Selectivity for human CA9 over human CA1
Source: ChEMBL
Target: N/A
External Id: CHEMBL951058
Name: Selectivity for human CA9 over human CA2
Source: ChEMBL
Target: N/A
External Id: CHEMBL951059
Name: Selectivity ratio of Ki for carbonic anhydrase 2 to Ki for carbonic anhydrase 9
Source: ChEMBL
Target: N/A
External Id: CHEMBL1839021
Name: Inhibition of human carbonic anhydrase 2 assessed as Ki by stopped-flow carbon dioxid...
Source: ChEMBL
Target: Carbonic anhydrase 2
External Id: CHEMBL5265560
Name: Selectivity index, ratio of Ki for inhibition of human carbonic anhydrase 9 to Ki for...
Source: ChEMBL
Target: N/A
External Id: CHEMBL5265562
Name: Inhibition of human carbonic anhydrase 9 assessed as Ki by stopped-flow carbon dioxid...
Source: ChEMBL
Target: Carbonic anhydrase 9
External Id: CHEMBL5265561
Name: Inhibition of human carbonic anhydrase 14 by stopped-flow CO2 hydration assay
Source: ChEMBL
Target: Carbonic anhydrase 14
External Id: CHEMBL3097252
Total 16, Current Page 1 of 2
1
2

 Synonyms

4-Ethynylbenzenesulfonamide
p-Ethynylbenzolsulfonamid
P-Ethynylbenzenesulfonamide
4-ethynyl-benzenesulphonamide
4-ethynyl benzenesulfonamide
Benzenesulfonamide,4-ethynyl
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Chemsrc provides 4-Ethynylbenzenesulfonamide(CAS#:1788-08-5) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of 4-Ethynylbenzenesulfonamide are included as well.>> amp version: 4-Ethynylbenzenesulfonamide

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