ACCESSION: MSBNK-RIKEN-PR020001
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: ent-Epicatechin
CH$NAME: (+)-Epicatechin
CH$NAME: (2S,3S)-2-(3,4-dihydroxyphenyl)chroman-3,5,7-triol
CH$COMPOUND_CLASS: N/A
CH$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$IUPAC: InChI=1S/C15H14O6/c16-8-4-11(18)9-6-13(20)15(21-14(9)5-8)7-1-2-10(17)12(19)3-7/h1-5,13,15-20H,6H2/t13-,15-/m0/s1
CH$LINK: CAS 35323-91-2
CH$LINK: KEGG C09728
CH$LINK: NIKKAJI J21.709C
CH$LINK: PUBCHEM CID:182232
CH$LINK: INCHIKEY PFTAWBLQPZVEMU-ZFWWWQNUSA-N

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 6.12 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$SPLASH: splash10-0006-0090000000-6810772a09e54d51ec9b
PK$NUM_PEAK: 8
PK$PEAK: m/z int. rel.int.
  273.0963 69.96 22
  289.0860 335.7 107
  290.1184 42.80 14
  291.0959 3133 999
  292.1126 507.6 162
  293.0542 106.9 34
  579.1688 116.0 37
  580.1794 46.23 15
//