ACCESSION: MSBNK-RIKEN-PR020002
RECORD_TITLE: (-)-Epicatechin; LC-ESI-QTOF; MS
DATE: 2016.01.19 (Created 2006.12.27, modified 2011.05.06)
AUTHORS: Tohge T, Plant Science Center, RIKEN.
LICENSE: CC BY-SA

CH$NAME: (-)-3 3' 4' 5 7-Pentahydroxyflavan
CH$NAME: (-)-Epicatechin
CH$NAME: (2R,3R)-2-(3,4-dihydroxyphenyl)chroman-3,5,7-triol
CH$COMPOUND_CLASS: N/A
CH$FORMULA: C₁₅H₁₄O₆
CH$EXACT_MASS: 290.07904
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: KEGG C09727
CH$LINK: NIKKAJI J21.603H
CH$LINK: PUBCHEM CID:72276
CH$LINK: INCHIKEY PFTAWBLQPZVEMU-UKRRQHHQSA-N
CH$LINK: COMPTOX DTXSID4045133

AC$INSTRUMENT: UPLC Q-Tof Premier, Waters
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 5.0 V
AC$MASS_SPECTROMETRY: DATAFORMAT Centroid
AC$MASS_SPECTROMETRY: DESOLVATION_GAS_FLOW 600.0 L/Hr
AC$MASS_SPECTROMETRY: DESOLVATION_TEMPERATURE 350 C
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE LOW-ENERGY CID
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: SCANNING 0.6 sec/scan (m/z = 200-1200)
AC$MASS_SPECTROMETRY: SOURCE_TEMPERATURE 100 C
AC$CHROMATOGRAPHY: CAPILLARY_VOLTAGE 3.0 kV
AC$CHROMATOGRAPHY: COLUMN_NAME ACQUITY UPLC BEH C18 2.1 by 100 mm (Waters, Milford, MA,USA)
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 35 C
AC$CHROMATOGRAPHY: FLOW_GRADIENT 0/100 at 0 min, 15/85 at 5 min, 21/79 at 20 min, 90/10 at 24 min, 95/5 at 26 min, 0/100, 30 min.
AC$CHROMATOGRAPHY: FLOW_RATE 0.5 ml/min
AC$CHROMATOGRAPHY: RETENTION_TIME 6.13 min
AC$CHROMATOGRAPHY: SAMPLING_CONE 23.0 V
AC$CHROMATOGRAPHY: SOLVENT A CH3CN(0.1%TFA)
AC$CHROMATOGRAPHY: SOLVENT B H2O(0.1%TFA)

MS$FOCUSED_ION: FULL_SCAN_FRAGMENT_ION_PEAK 291
MS$FOCUSED_ION: ION_TYPE [M+H]+
MS$DATA_PROCESSING: FIND_PEAK ignore rel.int. < 10
MS$DATA_PROCESSING: WHOLE MassLynx 4.1

PK$SPLASH: splash10-0006-0090000000-53e575c7acf970449e84
PK$NUM_PEAK: 12
PK$PEAK: m/z int. rel.int.
  273.0919 40.74 25
  289.0909 243.2 148
  290.1104 42.29 26
  291.0992 1640 999
  292.1084 260.5 159
  293.0871 64.43 39
  427.1178 23.32 14
  579.1809 69.10 42
  580.1897 28.39 17
  581.1900 24.42 15
  922.2189 22.37 14
  923.2074 20.03 12
//