MassBank Record: FIO00076

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(-)-Epicatechin; LC-ESI-QTOF; MS2; [M-H]-; CE: 50eV

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

ACCESSION: FIO00076
RECORD_TITLE: (-)-Epicatechin; LC-ESI-QTOF; MS2; [M-H]-; CE: 50eV
DATE: 2016.01.19 (Created 2013.04.08)
AUTHORS: Markus Kohlhoff, Natural Product Chemistry Lab (CPqRR/FIOCRUZ, Brazil)
LICENSE: CC BY-NC
COPYRIGHT: (c) Research Center Rene Rachou (FIOCRUZ, Brazil)
COMMENT: [Raw Data] CB030_(-)-Epicatechin_neg_50eV_000009.txt

CH$NAME: (-)-Epicatechin
CH$COMPOUND_CLASS: Natural Product; Flavonoid
CH$FORMULA: C15H14O6
CH$EXACT_MASS: 290.07904
CH$SMILES: Oc(c3)c(O)cc(c3)[C@@H](O1)[C@H](O)Cc(c(O)2)c(cc(O)c2)1
CH$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$LINK: CAS 490-46-0
CH$LINK: CHEBI 90
CH$LINK: KEGG C09727
CH$LINK: KNAPSACK C00000956
CH$LINK: NIKKAJI J21.603H
CH$LINK: PUBCHEM 11915
CH$LINK: INCHIKEY PFTAWBLQPZVEMU-UKRRQHHQSA-N
CH$LINK: COMPTOX DTXSID4045133

AC$INSTRUMENT: maXis (Bruker Daltonics)
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: CAPILLARY_VOLTAGE 4500 V
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 50 eV
AC$MASS_SPECTROMETRY: COLLISION_GAS Nitrogen
AC$MASS_SPECTROMETRY: DESOLVATION_GAS_FLOW 8 l/min
AC$MASS_SPECTROMETRY: DESOLVATION_TEMPERATURE 200 C
AC$MASS_SPECTROMETRY: FRAGMENTATION_METHOD CID
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: NEBULIZER 2.0 bar
AC$CHROMATOGRAPHY: COLUMN_NAME Waters Atlantis C18 3um 2.1x150mm
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE RT
AC$CHROMATOGRAPHY: FLOW_GRADIENT 1-100%B in 10min
AC$CHROMATOGRAPHY: FLOW_RATE 200ul/min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 123.044800
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-

PK$SPLASH: splash10-05fr-0900000000-7f8fdb63e0a9a76b4b46
PK$NUM_PEAK: 19
PK$PEAK: m/z int. rel.int.
  95.049800 132.000000 100
  97.029700 204.000000 154
  108.021200 168.000000 127
  109.029500 915.000000 690
  121.029100 297.000000 224
  122.037200 535.000000 404
  123.044800 1324.000000 999
  124.048500 103.000000 78
  125.023800 176.000000 133
  135.044800 205.000000 155
  137.024300 424.000000 320
  139.040100 169.000000 128
  145.030100 127.000000 96
  149.024300 166.000000 125
  150.032000 244.000000 184
  151.039400 226.000000 171
  159.045000 190.000000 143
  173.059700 146.000000 110
  201.057300 105.000000 79
//