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MassBank Record: MSBNK-RIKEN-PR306316

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

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

ACCESSION: MSBNK-RIKEN-PR306316
RECORD_TITLE: (+)-Epicatechin; LC-ESI-QTOF; MS2
DATE: 2019.03.28
AUTHORS: Tetsuya Mori, Center for Sustainable Resource Science, RIKEN
LICENSE: CC BY-NC-SA
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$SMILES: C1[C@@H]([C@@H](OC2=CC(=CC(=C21)O)O)C3=CC(=C(C=C3)O)O)O
CH$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-/m0/s1
CH$LINK: INCHIKEY PFTAWBLQPZVEMU-ZFWWWQNUSA-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 NEGATIVE
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$CHROMATOGRAPHY: CAPILLARY_VOLTAGE -2.75 kV
AC$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 3.43465
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 289.07176174783

PK$SPLASH: splash10-000i-0190000000-dbbe86f2c4c7a18d2b24
PK$NUM_PEAK: 31
PK$PEAK: m/z int. rel.int.
  109.02798 46.0 46
  123.04337 9.0 9
  125.02196 32.0 32
  137.02261 23.0 23
  138.02901 7.0 7
  139.04391 8.0 8
  149.02515 11.0 11
  151.03662 25.0 25
  161.05562 13.0 13
  161.06371 6.0 6
  164.00685 7.0 7
  165.0183 27.0 27
  175.04045 6.0 6
  179.03297 82.0 82
  180.04024 11.0 11
  187.03876 12.0 12
  188.03802 9.0 9
  202.0679 6.0 6
  203.07086 74.0 74
  204.07176 13.0 13
  205.05013 88.0 88
  206.0545 18.0 18
  217.04883 13.0 13
  227.06905 20.0 20
  231.03349 8.0 8
  245.07983 295.0 295
  246.08269 29.0 29
  247.06097 12.0 12
  259.05875 6.0 6
  271.06509 9.0 9
  289.0701 1000.0 999
//

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