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(-)-Epicatechin

Compound with spectra: 26 NMR, 3 FTIR, and 4 MS (GC)

(-)-Epicatechin
SpectraBase Compound ID 1sThyeiXB7k
InChI InChI=1S/C15H14O6/c16-8-4-11(18)9-6-13(20)15(21-14(9)5-8)7-1-2-10(17)12(19)3-7/h1-5,13,15-20H,6H2/t13-,15-/m1/s1
InChIKey PFTAWBLQPZVEMU-UKRRQHHQSA-N
Mol Weight 290.27 g/mol
Molecular Formula C15H14O6
Exact Mass 290.079038 g/mol
Enantiomer InChIKey PFTAWBLQPZVEMU-ZFWWWQNUSA-N

View Spectrum of (-)-Epicatechin

13C NMR Spectrum
Copyright Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Fluka AG, Buchs, Switzerland
Solvent Polysol; Reference=TMS Spectrometer= Varian CFT-20

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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.
Solvent ACETONE-D6:D2O

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13C NMR Spectrum
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent ACETONE-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.
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 ACETONE-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 CD3OD:H2O=1:1

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

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

View Spectrum of (-)-Epicatechin

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

View Spectrum of (-)-Epicatechin

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.
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.
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.
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 ACETONE-D6:D2O

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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 CD3OD

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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.
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.
Solvent DMSO-D6

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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 855235
Solvent DMSO-d6

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FTIR Spectrum
Copyright Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Fluka Chemie AG, Buchs, Switzerland
Technique KBr WAFER

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FTIR 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
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number 855235
Technique Mull

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MS (GC) Spectrum
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum G4-69-SM8-13

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MS (GC) Spectrum
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum B-21-3040-11

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MS (GC) Spectrum
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum PA-34-SM24-(epi)catechin (DOI: 10.1002/pca.3259)

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MS (GC) Spectrum
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum E1-40-897-4

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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 525952

View Spectrum of (-)-Epicatechin

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 855235
Solvent DMSO-d6
  • Epicatechin
  • (+)-CATECHIN
  • EPICATECHOL
  • (-)-EPICATECHOL
  • D-CATECHIN
  • D-CATECHOL
  • EPICATECHOL, /MINUS/-,
  • FLAVANPENTOL, 3,3PR,4PR,5,7-,
  • FLAVANPENTOL, 3,3*,4*,5,7-,
  • 2H-1-Benzopyran-3,5,7-triol, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R-cis)-
  • (2R,3R)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol
  • (-)-cis-3,3',4',5,7-Pentahydroxyflavane
PFTAWBLQPZVEMU-DZGCQCFKSA-N
(-)-CATECHIN
(-)-Epicatechin
(+/-) CATECHIN
(+)-EPICATECHIN
Catechin hydrate
4'-O-METHYL-(-)-EPIGALLOCATECHIN
(-)-4'-O-METHOXYEPIGALLOCATECHIN
(-)-4'-METHYLEPIGALLOCATECHIN
3-HYDROXY-7,3',4',5'-TETRAMETHOXY-FLAVAN
5,7-DIHYDROXY-FLAVANONOL
TRICETIFLAVAN-7-O-GALLATE;7-O-GALLOYLTRICETIFLAVAN
(-)-5,3',4',5'-TETRAHYDROXYFLAVAN-7-GALLATE
4',7-DI-O-METHYL-3-O-ACETYL-GUIBOURTINIDOL
(2R,3S)-trans-7,4'-Dimethoxy-3-O-acetylflavan
Title Journal or Book Year
Chemical constituents and cytotoxic activities of the extracts of Melilotus indicus European Journal of Chemistry 2014
A new alkaloid fromHelianthemum ordosicum Magnetic Resonance in Chemistry 2014
Chemical Synthesis and Characterization of Epicatechin Glucuronides and Sulfates: Bioanalytical Standards for Epicatechin Metabolite Identification Journal of Natural Products 2013
Discovery and antitumor activities of constituents from Cyrtomium fortumei(J.) Smith rhizomes Chemistry Central Journal 2013
Antioxidant Phenolic Compounds from Pu-erh Tea Molecules 2012
Phytochemical Study and Anti-inflammatory, Antidiabetic and Free Radical Scavenger Evaluations of Krameria pauciflora Methanol Extract Molecules 2012
A new epicatechin gallate and calpain inhibitory activity from Orostachys japonicus Fitoterapia 2009
Flavan-3-ols Having a .GAMMA.-Lactam from the Roots of Actinidia arguta Inhibit the Formation of Advanced Glycation End Products in Vitro Chemical and Pharmaceutical Bulletin 2009
Antioxidant and cytotoxic activities of 'açaí' (Euterpe precatoria Mart.) Química Nova 2008
Identification and antioxidant activity of several flavonoids of Inga edulis leaves Journal of the Brazilian Chemical Society 2007
Constituintes químicos de Luehea divaricata Mart. (Tiliaceae) Química Nova 2005
The Antioxidative Substances in Cacao Liquor. Journal of Nutritional Science and Vitaminology 1998
Biphenyl-linked biflavanoids from grape pomace Phytochemistry 1998
1H and13C NMR Assignments of Some Green Tea Polyphenols Magnetic Resonance in Chemistry 1996
Proanthocyanidins from Lotus corniculatus Phytochemistry 1996
Flavan-3-ols from seeds ofLupinus angustifolius Phytochemistry 1994
Phenylpropanoid-catechins from bark of Ocotea porosa Phytochemistry 1994
Nuclear magnetic resonance studies of 5,7-dihydroxyflavonoids Phytochemistry 1993
Cacao procyanidins: major flavanoids and identification of some minor metabolites Phytochemistry 1991
Polyphenolic compounds from Croton lechleri Phytochemistry 1991
A-type Proanthocyanidins from stem-bark of Pavetta owariensis Phytochemistry 1991

This compound is available in the following databases:

KnowItAll NMR Spectral Library
Author: Wiley

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

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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.

(+)-EPICATECHIN
PFTAWBLQPZVEMU-DZGCQCFKSA-N
(-)-Epicatechin
(+/-) CATECHIN
(-)-CATECHIN
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