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4-hydroxy-2H-chromen-2-one

Compound with spectra: 35 NMR, 5 FTIR, 2 Raman, 2 UV-Vis, and 13 MS (GC)

4-hydroxy-2H-chromen-2-one
SpectraBase Compound ID 6YufkkQCdgS
InChI InChI=1S/C9H6O3/c10-7-5-9(11)12-8-4-2-1-3-6(7)8/h1-5,10H
InChIKey VXIXUWQIVKSKSA-UHFFFAOYSA-N
Mol Weight 162.14 g/mol
Molecular Formula C9H6O3
Exact Mass 162.031694 g/mol

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MS (GC) Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Source of Spectrum Chemical Concepts, A Wiley Division, Weinheim, Germany

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MS (GC) Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Source of Spectrum Chemical Concepts, A Wiley Division, Weinheim, Germany

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MS (GC) Spectrum
Copyright Copyright © 2024 DigiLab GmbH and Wiley-VCH GmbH. All Rights Reserved.
Source of Spectrum DigiLab GmbH (C) 2024
Technique GC/MS

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MS (GC) Spectrum
Copyright Copyright © 2024 DigiLab GmbH and Wiley-VCH GmbH. All Rights Reserved.
Source of Spectrum DigiLab GmbH (C) 2024
Technique GC/MS

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MS (GC) Spectrum
Copyright Copyright © 2024 DigiLab GmbH and Wiley-VCH GmbH. All Rights Reserved.
Source of Spectrum DigiLab GmbH (C) 2024
Technique GC/MS

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MS (GC) Spectrum
Copyright Database Compilation Copyright © 2023-2024 John Wiley and Sons, Inc. Copyright © 2023-2024 John Wiley and Sons, Inc., Portions Copyright Wiley-VCH GmbH, Adams Library under license from Diablo Analytical. All Rights Reserved.
Source of Spectrum Adams' Essential Oil Components (GC-MS), Version 4

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MS (GC) Spectrum
Copyright Database Compilation Copyright © 2023-2024 John Wiley and Sons, Inc. Copyright © 2023-2024 John Wiley and Sons, Inc., Portions Copyright Wiley-VCH GmbH, Adams Library under license from Diablo Analytical. All Rights Reserved.
Source of Spectrum Dr. Rolf Kuehnle
Technique GC/MS

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MS (GC) Spectrum
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum Adams' Essential Oil Components (GC-MS), Version 4

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MS (GC) Spectrum
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum O-5-252-3

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MS (GC) Spectrum
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum PG-1982-1851-0

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MS (GC) Spectrum
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum CD-352-0-0

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MS (GC) Spectrum
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum RB-1982-12576-0

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MS (GC) Spectrum
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum JZ-1992-1070-0

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13C NMR Spectrum
Copyright Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Eastman Organic Chemicals, Rochester, New York
Solvent Polysol; Reference=TMS Spectrometer= Varian CFT-20

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CHCl3

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CDCl3

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent DMSO-D6

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent DMSO-D6

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CDCl3

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CHCl3

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CDCl3

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent DMSO-D6

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent DMSO-D6

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CDCl3

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CHCl3

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CDCl3

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent DMSO-D6

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent DMSO-D6

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CDCl3

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CHCl3

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CDCl3

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent DMSO-D6

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent DMSO-D6

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CDCl3

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CHCl3

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CDCl3

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent DMSO-D6

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent DMSO-D6

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13C NMR Spectrum
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CDCl3

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13C NMR Spectrum
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent DMSO-D6

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13C NMR Spectrum
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent CDCl3

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13C NMR Spectrum
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent CDCl3

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13C NMR Spectrum
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent DMSO-D6

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13C NMR Spectrum
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent CD3OD

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13C NMR Spectrum
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.

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13C NMR Spectrum
Copyright Copyright © 2021-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Co. LLC.
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number H23805
Solvent CDCl3 & DMSO-d6

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1H NMR Spectrum
Copyright Copyright © 2009-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample H. Wamhoff, University of Bonn, Bonn, Germany
Solvent DMSO

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1H NMR Spectrum
Copyright Copyright © 2021-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Co. LLC.
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number H23805
Solvent CDCl3 & DMSO-d6

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Raman Spectrum
Copyright Copyright © 2014-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Company Llc.
Source of Spectrum Bio-Rad Laboratories
Catalog Number H23805

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Raman Spectrum
Copyright Copyright © 2014-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Spectrochem Pvt. Ltd., India
Source of Spectrum Bio-Rad Laboratories
Catalog Number 10896

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FTIR Spectrum
Copyright Copyright © 2015-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Company Llc.
Source of Spectrum Bio-Rad Laboratories, Inc.
Catalog Number H23805
Technique KBr1

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FTIR Spectrum
Copyright Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Spectrochem Pvt. Ltd.
Source of Spectrum Bio-Rad Laboratories, Inc.
Catalog Number 10896
Technique KBr1

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ATR-IR Spectrum
Copyright Copyright © 2014-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Company Llc.
Source of Spectrum Bio-Rad Laboratories, Inc.
Catalog Number H23805

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ATR-IR Spectrum
Copyright Copyright © 2014-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Spectrochem Pvt. Ltd.
Source of Spectrum Bio-Rad Laboratories, Inc.
Catalog Number 10896

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ATR-IR Spectrum
Copyright Copyright © 2018-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich
Catalog Number H23805

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UV-Vis Spectrum
Copyright Copyright © 2008-2024 John Wiley & Sons, Inc. All Rights Reserved.
Solvent Methanol

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UV-Vis Spectrum
Copyright Copyright © 2008-2024 John Wiley & Sons, Inc. All Rights Reserved.
Solvent Methanol
  • 4-Hydroxycoumarin
  • 4-Hydroxy-1-benzopyran-2-one
  • VXIXUWQIVKSKSA-UHFFFAOYSA-N
  • 3-HYDROXY-COUMARINE
  • Coumarin<4-hydroxy->
  • ACENOCOUMAROL-ARTIFACT 2
  • WARFARINE ARTIFACT 2
  • WARFARIN-ARTIFACT 2
  • 2H-1-Benzopyran-2-one, 4-hydroxy-
  • Brodifacoum-A
  • 4-Hydroxy-2H-1-benzopyran-2-one
2,3-Dihydro-benzopyran-2,4-dione anion
4-METHYLCOUMARIN
4-Chlorocoumarin
2'-CINNAMOYLOXYACETOPHENONE
2'-(4-CHLOROCINNAMOYLOXY)-ACETOPHENONE
2'-(4-METHYLCINNAMOYLOXY)-ACETOPHENONE
2-(4'-FLUOROCINNAMOYLOXY)-ACETOPHENONE
(S)-2-((2-methylpent-4-enoyl)oxy)benzoic acid
4H-1,3-Benzodioxin-2-one, 4-methylene-
DZCTYFCCOGXULA-UHFFFAOYSA-N
Title Journal or Book Year
Keto–enol tautomerism, NMR spectra, and H–D exchange of 4-hydroxycoumarins Canadian Journal of Chemistry 1997
Pyrones. VIII. Biosynthetic investigations of the fungal metabolite phacidin Canadian Journal of Chemistry 1982
13C NMR spectroscopy of coumarin derivatives Organic Magnetic Resonance 1982
Etude par RMN du13C d'Hydroxy-4 Coumarines Substituées en 3. Analyse par Corrélation des Effets de Substituants Organic Magnetic Resonance 1979

This compound is available in the following databases:

KnowItAll NMR Spectral Library
Author: Wiley

The KnowItAll NMR Spectral Library offers a comprehensive collection of NMR reference spectra, including NMR, CNMR, and XNMR, and covers a wide range of compounds including organics, polymers, monomers, metabolites, and more. Learn more.

KnowItAll IR, Raman, and UV-Vis Spectral Libraries
Author: Wiley

The KnowItAll IR, Raman, and UV-Vis spectral libraries offer access to the world's largest collection of IR, Raman, and UV-Vis spectra, including the renowned Sadtler spectra. The libraries include a wide range of compounds from pure organics to industrial compounds. Learn more.

KnowItAll Mass Spectral Library
Author: Wiley

The KnowItAll Mass Spectral Library offers a comprehensive collection of mass spectra, including the renowned Wiley Registry, and access to a wide range of compounds including pure organics, drugs, steroids, additives, geochemicals, petrochemicals, biomarkers, and more. Learn more.

2H-1-Benzopyran-2-one, 4-hydroxy-
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