ACCESSION: MSBNK-LCSB-LU080801
RECORD_TITLE: (-)-Epigallocatechin gallate; LC-ESI-QFT; MS2; CE: 15; R=17500; [M+H]+
DATE: 2020.08.19
AUTHORS: Elapavalore, A.; Kondić, T.; Singh, R.; Schymanski, E.
LICENSE: CC BY
COPYRIGHT: Copyright © 2019 by Environmental Cheminformatics, LCSB, University of Luxembourg, Luxembourg
PUBLICATION: Elapavalore, A.; Kondić, T.; et al., Adding Open Spectral Data to MassBank and PubChem Using Open Source Tools to Support Non-Targeted Exposomics of Mixtures (submitted).
PROJECT: ENTACT U.S. Environmental Protection Agency’s Non-Targeted Analysis Collaborative Trial
COMMENT: CONFIDENCE standard compound
COMMENT: INTERNAL_ID 808
COMMENT: DATASET 20200303_ENTACT_RP_MIX505
COMMENT: DATA_PROCESSING MERGING RMBmix ver. 0.2.7
COMMENT: DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0
COMMENT: ORIGINAL_ACQUISITION_NO 5924
COMMENT: ORIGINAL_PRECURSOR_SCAN_NO 5919
COMMENT: RAW_DATA available as MSV000091754 at [DOI:10.25345/C5S46HG75]

CH$NAME: (-)-Epigallocatechin gallate
CH$NAME: [(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₂₂H₁₈O₁₁
CH$EXACT_MASS: 458.0849
CH$SMILES: OC1=CC(O)=C2C[C@@H](OC(=O)C3=CC(O)=C(O)C(O)=C3)[C@H](OC2=C1)C1=CC(O)=C(O)C(O)=C1
CH$IUPAC: InChI=1S/C22H18O11/c23-10-5-12(24)11-7-18(33-22(31)9-3-15(27)20(30)16(28)4-9)21(32-17(11)6-10)8-1-13(25)19(29)14(26)2-8/h1-6,18,21,23-30H,7H2/t18-,21-/m1/s1
CH$LINK: CAS 863-65-0
CH$LINK: CHEBI 4806
CH$LINK: KEGG C09731
CH$LINK: LIPIDMAPS LMPK12030005
CH$LINK: PUBCHEM CID:65064
CH$LINK: INCHIKEY WMBWREPUVVBILR-WIYYLYMNSA-N
CH$LINK: CHEMSPIDER 58575

AC$INSTRUMENT: Q Exactive Orbitrap (Thermo Scientific)
AC$INSTRUMENT_TYPE: LC-ESI-QFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 15
AC$MASS_SPECTROMETRY: RESOLUTION 17500
AC$CHROMATOGRAPHY: COLUMN_NAME Acquity BEH C18 1.7um, 2.1x150mm (Waters)
AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0-2 min, 0/100 at 15-20 min, 90/10 at 20.1-30 min
AC$CHROMATOGRAPHY: FLOW_RATE 0.20 mL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 11.244 min
AC$CHROMATOGRAPHY: SOLVENT A 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol

MS$FOCUSED_ION: BASE_PEAK 79.0211
MS$FOCUSED_ION: PRECURSOR_M/Z 459.0922
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$FOCUSED_ION: PRECURSOR_INTENSITY 395637.875
MS$DATA_PROCESSING: RECALIBRATE loess on assigned fragments and MS1
MS$DATA_PROCESSING: REANALYZE Peaks with additional N2/O included
MS$DATA_PROCESSING: WHOLE RMassBank 2.99.2

PK$SPLASH: splash10-000i-0900000000-2245cccfc36a40356bf5
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  139.039 C7H7O3+ 1 139.039 0.25
  151.039 C8H7O3+ 1 151.039 0.33
  153.0183 C7H5O4+ 1 153.0182 0.62
  163.0391 C9H7O3+ 1 163.039 1.07
  181.0497 C9H9O4+ 1 181.0495 1.13
  205.0501 C11H9O4+ 1 205.0495 2.56
PK$NUM_PEAK: 6
PK$PEAK: m/z int. rel.int.
  139.039 256070.1 999
  151.039 60197.6 234
  153.0183 56831.2 221
  163.0391 5403.3 21
  181.0497 11556.3 45
  205.0501 3617.2 14
//