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2-Thiophenecarboxylic acid ethyl ester

Compound with spectra: 4 NMR, 5 FTIR, and 3 MS (GC)

2-Thiophenecarboxylic acid ethyl ester
SpectraBase Compound ID AjUW9ZLj5ee
InChI InChI=1S/C7H8O2S/c1-2-9-7(8)6-4-3-5-10-6/h3-5H,2H2,1H3
InChIKey JZGZKRJVTIRPOK-UHFFFAOYSA-N
Mol Weight 156.2 g/mol
Molecular Formula C7H8O2S
Exact Mass 156.024501 g/mol

View Spectrum of 2-Thiophenecarboxylic acid ethyl ester

13C NMR Spectrum
Copyright Copyright © 1980, 1981-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich Chemical Company, Inc., Milwaukee, Wisconsin
Solvent Chloroform-d; Reference=TMS Spectrometer= Varian CFT-20

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13C NMR Spectrum
Copyright Copyright © 2021-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Co. LLC.
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number E49258
Solvent CDCl3

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1H NMR Spectrum
Copyright Copyright © 2009-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich Chemical Company, Inc., Milwaukee, Wisconsin
Solvent CCl4

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1H NMR Spectrum
Copyright Copyright © 2021-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Co. LLC.
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number E49258
Solvent CDCl3

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FTIR Spectrum
Copyright Copyright © 1980, 1981-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich Chemical Company, Inc., Milwaukee, Wisconsin
Technique CAPILLARY CELL: NEAT

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FTIR Spectrum
Copyright Copyright © 2018-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number E49258
Technique Neat

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Vapor Phase IR Spectrum
Copyright Copyright © 1980, 1981-2025 John Wiley & Sons, Inc. All Rights Reserved.

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Vapor Phase IR Spectrum
Copyright Copyright © 2021-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Co. LLC.
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number E49258

View Spectrum of 2-Thiophenecarboxylic acid ethyl ester

MS (GC) Spectrum
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum ACI-58-SM12-12-b

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MS (GC) Spectrum
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum C5-2004-571-7

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MS (GC) Spectrum
Copyright Copyright © 2020-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum ASC-361-2045-4b

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ATR-IR Spectrum
Copyright Copyright © 2018-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich
Catalog Number E49258
  • Ethyl 2-thiophenecarboxylate
  • Ethyl thiophene-2-carboxylate
  • Thiophene-2-carboxylic acid ethyl ester
Ethyl thiophene-2-carboxylate-5-d
5-Methyl-2-thiophenecarboxylic acid
5-Methyl-thiophene-2-carboxylic acid, anion
4-methyl-2-thiophenecarboxylic acid
4-Methyl-thiophene-2-carboxylic acid, anion
5-Chloro-2-thiophenecarboxylic acid
5-Chloro-thiophene-2-carboxylic acid, anion
5-Iodo-thiophene-2-carboxylic acid, anion
5-Iodo-thiophene-2-carboxylic acid
1-Butanone, 1-(2-thienyl)-
4-Bromo-thiophene-2-carboxylic acid
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