MassBank Record: FIO00072

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(-)-Epicatechin; LC-ESI-QTOF; MS2; [M-H]-; CE: 10eV

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

ACCESSION: FIO00072
RECORD_TITLE: (-)-Epicatechin; LC-ESI-QTOF; MS2; [M-H]-; CE: 10eV
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_10eV_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 10 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$FOCUSED_ION: BASE_PEAK 289.072000
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-

PK$SPLASH: splash10-000i-0090000000-faedef1b08ce5b70459b
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  245.081700 599.000000 48
  289.072000 12503.000000 999
  290.075200 2419.000000 193
  291.077400 338.000000 27
//