For citations & permissions, please see: Citations & Permissions - Wiley Science Solutions*

*Links on SpectraBase are not permalinks.
5,7-Dihydroxy-4'-methoxyisoflavone
SpectraBase Compound ID DkeccAwFKzc
InChI InChI=1S/C16H12O5/c1-20-11-4-2-9(3-5-11)12-8-21-14-7-10(17)6-13(18)15(14)16(12)19/h2-8,17-18H,1H3
InChIKey WUADCCWRTIWANL-UHFFFAOYSA-N
Mol Weight 284.27 g/mol
Molecular Formula C16H12O5
Exact Mass 284.068473 g/mol
Copyright Copyright © 2012-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Indofine Chemical Company, Inc.
Source of Spectrum Forensic Spectral Research
Catalog Number B-106
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 145637
Copyright Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich Chemical Company, Inc., Milwaukee, Wisconsin
Solvent Polysol; Reference=TMS Spectrometer= Varian CFT-20
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CDCl3/DMSO-D6
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent Acetone-D6
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent CDCl3/DMSO-D6
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent Acetone-D6
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent CDCl3:DMSO-D6=1:1
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent ACETONE-D6
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent ACETONE-D6
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent Unknown
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent ACETONE-D6
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent ACETONE-D6
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent CD3OD
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 145637
Solvent CDCl3 & DMSO-d6
Copyright Copyright © 2009-2024 John Wiley & Sons, Inc. All Rights Reserved.
Solvent Polysol
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 145637
Solvent CDCl3 & DMSO-d6
Copyright Copyright © 2014-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Indofine Chemical Company, Inc.
Source of Spectrum Forensic Spectral Research
Catalog Number B-106
Copyright Copyright © 2008-2024 John Wiley & Sons, Inc. All Rights Reserved.
Solvent Methanol
Copyright Copyright © 2008-2024 John Wiley & Sons, Inc. All Rights Reserved.
Solvent Methanol
Copyright Copyright © 2024 DigiLab GmbH and Wiley-VCH GmbH. All Rights Reserved.
Source of Spectrum DigiLab GmbH (C) 2024
Technique GC/MS
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum E1-40-2973-3
Copyright Copyright © 2018-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number 145637
Technique Mull
  • Biochanin A
  • BIOCHANIN-A;5,7-DIHYDROXY-4'-METHOXYISOFLAVONE
  • 5,7-DIHYDROXY-4'-METHOXY-ISOFLAVON
  • 5,7-DIHYDROXY-3-(4'-METHOXYPHENYL)-4H-1-BENZOPYRAN-4-ONE
  • CHROMONE, 5,7-DIHYDROXY-3-/P- METHOXYPHENYL/-,
  • ISOFLAVONE, 5,7-DIHYDROXY-4'- METHOXY-,
  • BENZOPYRAN-4-ONE, 4H-1-, 5,7-DIHYDROXY-3-/P-METHOXYPHENYL/-,
  • 4H-1-Benzopyran-4-one, 5,7-dihydroxy-3-(4-methoxyphenyl)-
  • Olmelin
  • 5,7-Dihydroxy-4'-methoxyisoflavone (Biochanin A)
  • Genistein 4'-methyl ether
  • 5,7-Dihydroxy-3-(4-methoxyphenyl)-4H-1-benzopyran-4-one
  • 4'-Methoxy-5,7-dihydroxy isoflavone
Title Journal or Book Year
A New Benzofuran Derivative from Flemingia philippinensis Merr. et Rolfe Molecules 2012
NMR spectral assignments of a new [COC] isoflavone dimer fromAndira surinamensis Magnetic Resonance in Chemistry 2007
Unambiguous1H- and13C-NMR Assignments of Isoflavones fromVirola caducifolia Journal Of The Brazilian Chemical Society 1995
Carbon-13 nuclear magnetic resonance spectra of isoflavones Magnetic Resonance in Chemistry 1986
Isoflavones from Podocarpus amarus Australian Journal of Chemistry 1985
13C NMR Spectroscopy of Flavonoids HETEROCYCLES 1981
Carbon-13 chemical shift assignments of chromones and isoflavones Canadian Journal of Chemistry 1980

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.

Unknown Identification

Search your unknown spectrum against the world's largest collection of reference spectra

KnowItAll Campus Solutions

KnowItAll offers faculty and students at your school access to all the tools you need for spectral analysis and structure drawing & publishing! Plus, access the world's largest spectral library.