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MassBank Record: PR302723

(-)-Epicatechin; LC-ESI-QTOF; MS2

Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk)

ACCESSION: PR302723
RECORD_TITLE: (-)-Epicatechin; LC-ESI-QTOF; MS2
DATE: 2019.03.28
AUTHORS: Tetsuya Mori, Center for Sustainable Resource Science, RIKEN
LICENSE: CC BY-SA NC
PUBLICATION: Tsugawa H., Nakabayashi R., Mori T., Yamada Y., Takahashi M., Rai A., Sugiyama R., Yamamoto H., Nakaya T., Yamazaki M., Kooke R., Bac-Molenaar JA., Oztolan-Erol N., Keurentjes JJB., Arita M., Saito K. (2019) "A cheminformatics approach to characterize metabolomes in stable-isotope-labeled organisms" Nature Methods 16(4):295-298. [doi:10.1038/s41592-019-0358-2]
COMMENT: registered in RIKEN PlaSMA

CH$NAME: (-)-Epicatechin
CH$COMPOUND_CLASS: Catechins
CH$FORMULA: C15H14O6
CH$EXACT_MASS: 290.271
CH$SMILES: O[C@@H]1CC2=C(O)C=C(O)C=C2O[C@@H]1C1=CC(O)=C(O)C=C1
CH$IUPAC: 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
CH$LINK: INCHIKEY PFTAWBLQPZVEMU-UKRRQHHQSA-N

AC$INSTRUMENT: LC, Waters Acquity UPLC System; MS, Waters Xevo G2 Q-Tof
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 6V
AC$MASS_SPECTROMETRY: DESOLVATION_GAS_FLOW 800/h
AC$MASS_SPECTROMETRY: DESOLVATION_TEMPERATURE 450 C
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$CHROMATOGRAPHY: CAPILLARY_VOLTAGE +3.00 kV
AC$CHROMATOGRAPHY: COLUMN_NAME Acquity bridged ethyl hybrid C18 (1.7 um, 2.1 mm * 100 mm, Waters)
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 40 C
AC$CHROMATOGRAPHY: FLOW_GRADIENT A/B = (99.5%/0.5% at 0 min, 99.5%/0.5% at 0.1 min, 20%/80% at 10 min, 0.5%/99.5% at 10.1 min, 0.5%/99.5% at 12.0 min, 99.5%/0.5% at 12.1 min, 99.5%/0.5% at 15.0 min)
AC$CHROMATOGRAPHY: FLOW_RATE 0.3 ml/min at 0 min, 0.3 ml/min at 10 min, 0.4 ml/min at 10.1 min, 0.4 ml/min at 14.4 min, 0.3 ml/min at 14.5 min
AC$CHROMATOGRAPHY: RETENTION_TIME 3.433967
AC$CHROMATOGRAPHY: SOLVENT A water including 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B acetonitrile including 0.1% formic acid

MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$FOCUSED_ION: PRECURSOR_M/Z 291.0863146

PK$SPLASH: splash10-007a-0900000000-1994239e4b613b7f6604
PK$NUM_PEAK: 31
PK$PEAK: m/z int. rel.int.
  69.00323 111.0 111
  77.02901 44.0 44
  77.03634 62.0 62
  85.02483 78.0 78
  91.05531 52.0 52
  111.04234 152.0 152
  111.04914 152.0 152
  119.04684 217.0 217
  121.02805 52.0 52
  123.04199 855.0 854
  124.05125 116.0 116
  125.03726 59.0 59
  137.02118 70.0 70
  139.01639 72.0 72
  139.0349 1000.0 999
  140.0491 111.0 111
  143.05826 78.0 78
  145.02768 132.0 132
  147.00815 85.0 85
  147.03546 54.0 54
  147.04691 142.0 142
  147.05501 137.0 137
  148.04715 137.0 137
  149.05888 96.0 96
  151.07671 85.0 85
  161.061 49.0 49
  165.05287 124.0 124
  207.05869 44.0 44
  207.07053 44.0 44
  231.05351 44.0 44
  271.056 80.0 80
//

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