MassBank Record: LU080851

Home Search Record Index Data Privacy Imprint

(-)-Epigallocatechin gallate; LC-ESI-QFT; MS2; CE: 15; R=17500; [M-H]-

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

ACCESSION: LU080851
RECORD_TITLE: (-)-Epigallocatechin gallate; LC-ESI-QFT; MS2; CE: 15; R=17500; [M-H]-
DATE: 2020.08.19
AUTHORS: Kondić, T.;Singh, R.;Elapavalore, A.;Schymanski, E.
LICENSE: CC0
COPYRIGHT: Copyright © 2019 by Environmental Cheminformatics, LCSB, University of Luxembourg, Luxembourg
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 2762
COMMENT: ORIGINAL_PRECURSOR_SCAN_NO 2760

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 NEGATIVE
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 11.181 min
AC$CHROMATOGRAPHY: SOLVENT A 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol

MS$FOCUSED_ION: BASE_PEAK 266.1186
MS$FOCUSED_ION: PRECURSOR_M/Z 457.0776
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$FOCUSED_ION: PRECURSOR_INTENSITY 1306713.654785
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$SPLASH: splash10-014i-0900000000-5a65d5cb4e55579e3e9a
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  125.0244 C6H5O3- 1 125.0244 -0.03
  137.0243 C7H5O3- 1 137.0244 -0.59
  161.0243 C9H5O3- 1 161.0244 -0.97
  169.0143 C7H5O5- 1 169.0142 0.12
  193.0142 C9H5O5- 1 193.0142 -0.47
  205.0142 C10H5O5- 1 205.0142 0.01
  269.0463 C15H9O5- 1 269.0455 2.72
  287.0565 C15H11O6- 1 287.0561 1.24
  305.0668 C15H13O7- 1 305.0667 0.33
  331.0461 C16H11O8- 1 331.0459 0.43
PK$NUM_PEAK: 10
PK$PEAK: m/z int. rel.int.
  125.0244 35584.1 38
  137.0243 5707.7 6
  161.0243 12482.7 13
  169.0143 929709.9 999
  193.0142 5785.4 6
  205.0142 2634 2
  269.0463 11409.9 12
  287.0565 21690.7 23
  305.0668 81581.6 87
  331.0461 28177.9 30
//