ACCESSION: MSBNK-BS-BS003426
RECORD_TITLE: Epicatechin; LC-ESI-QTOF; MS2; CE:10 eV; [M-H]-
DATE: 2017.12.01 (Created 2014.01.11)
AUTHORS: Plant Biology, The Noble Foundation, Ardmore, OK, US/Dennis Fine, Daniel Wherritt, and Lloyd Sumner
LICENSE: CC BY-NC-SA

CH$NAME: Epicatechin
CH$NAME: (-) Epicatechin
CH$COMPOUND_CLASS: Natural Product; N/A
CH$FORMULA: C₁₅H₁₄O₆
CH$EXACT_MASS: 290.0790
CH$SMILES: C1[C@H]([C@H](OC2=CC(=CC(=C21)O)O)C3=CC(=C(C=C3)O)O)O
CH$IUPAC: InChI=1S/C15H14O6/c16-8-4-11(18)9-6-13(20)15(21-14(9)5-8)7-1-2-10(17)12(19)3-7/h1-5,13,15-20H,6H2/t13-,15-/m1/s1
CH$LINK: CAS 17334-50-8
CH$LINK: COMPTOX DTXSID4045133
CH$LINK: INCHIKEY PFTAWBLQPZVEMU-UKRRQHHQSA-N
CH$LINK: PUBCHEM CID:72276

AC$INSTRUMENT: Bruker impact HD
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 10 eV
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: ISOLATION_WIDTH 5
AC$MASS_SPECTROMETRY: PEAK_WIDTH 0.014
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 94.8755-1505.15
AC$CHROMATOGRAPHY: COLUMN_NAME Waters Acquity BEH C18 1.7um x 2.1 x 150 mm
AC$CHROMATOGRAPHY: FLOW_GRADIENT 95/5 at 0 min, 20/80 at 35 min; 5/95 at 35 min, 5/95 at 38 min; 95/5 at 38.1 min, 95/5 at 45 min
AC$CHROMATOGRAPHY: FLOW_RATE FLOW_RATE 560 uL / min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.05% formic acid
AC$CHROMATOGRAPHY: SOLVENT B acetonitrile with 0.05 % formic acid
AC$CHROMATOGRAPHY: RETENTION_TIME 175.2 sec

MS$FOCUSED_ION: PRECURSOR_M/Z 289.0721
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: WHOLE convert from Bruker Library Editor (https://github.com/MassBank/MassBank2NIST)

PK$SPLASH: splash10-000i-0090000000-556ed7e0a7c3d19ecd86
PK$NUM_PEAK: 6
PK$PEAK: m/z int. rel.int.
  243.0642 20 20
  245.0806 117 117
  259.0613 53 53
  287.0552 80 80
  289.0721 999 999
  290.0748 133 133
//