ACCESSION: MSBNK-LCSB-LU044052
RECORD_TITLE: Exifone; LC-ESI-QFT; MS2; CE: 30; 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 440
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 2887
COMMENT: ORIGINAL_PRECURSOR_SCAN_NO 2885
COMMENT: RAW_DATA available as MSV000091754 at [DOI:10.25345/C5S46HG75]

CH$NAME: Exifone
CH$NAME: (2,3,4-trihydroxyphenyl)-(3,4,5-trihydroxyphenyl)methanone
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₁₃H₁₀O₇
CH$EXACT_MASS: 278.0427
CH$SMILES: OC1=CC=C(C(=O)C2=CC(O)=C(O)C(O)=C2)C(O)=C1O
CH$IUPAC: InChI=1S/C13H10O7/c14-7-2-1-6(11(18)13(7)20)10(17)5-3-8(15)12(19)9(16)4-5/h1-4,14-16,18-20H
CH$LINK: CAS 52479-85-3
CH$LINK: CHEBI 125609
CH$LINK: PUBCHEM CID:40399
CH$LINK: INCHIKEY XEDWWPGWIXPVRQ-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 36906

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$MASS_SPECTROMETRY: COLLISION_ENERGY 30
AC$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 11.414 min
AC$CHROMATOGRAPHY: SOLVENT A 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol

MS$FOCUSED_ION: BASE_PEAK 169.0441
MS$FOCUSED_ION: PRECURSOR_M/Z 277.0354
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$FOCUSED_ION: PRECURSOR_INTENSITY 1400244.420898
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$SPLASH: splash10-0fb9-0900000000-51f9fa6502ac078d4acc
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  69.0347 C4H5O- 1 69.0346 1.31
  95.0142 C5H3O2- 1 95.0139 3.25
  107.0138 C6H3O2- 1 107.0139 -0.03
  123.0089 C6H3O3- 1 123.0088 1.39
  125.0244 C6H5O3- 1 125.0244 0.03
  151.0037 C7H3O4- 1 151.0037 0.18
  169.0143 C7H5O5- 1 169.0142 0.12
  277.0362 C13H9O7- 1 277.0354 2.89
PK$NUM_PEAK: 8
PK$PEAK: m/z int. rel.int.
  69.0347 1619.7 4
  95.0142 2068.9 5
  107.0138 21330.6 57
  123.0089 10451.9 28
  125.0244 367735.9 999
  151.0037 263591.4 716
  169.0143 169498 460
  277.0362 10563.7 28
//