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MassBank Record: MSBNK-LCSB-LU036253

2,4,6-Trimethylbenzoic acid; LC-ESI-QFT; MS2; CE: 45; R=17500; [M-H]-

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

ACCESSION: MSBNK-LCSB-LU036253
RECORD_TITLE: 2,4,6-Trimethylbenzoic acid; LC-ESI-QFT; MS2; CE: 45; 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 362
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 4360
COMMENT: ORIGINAL_PRECURSOR_SCAN_NO 4359
COMMENT: RAW_DATA available as MSV000091754 at [DOI:10.25345/C5S46HG75]

CH$NAME: 2,4,6-Trimethylbenzoic acid
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C10H12O2
CH$EXACT_MASS: 164.0837
CH$SMILES: CC1=CC(C)=C(C(O)=O)C(C)=C1
CH$IUPAC: InChI=1S/C10H12O2/c1-6-4-7(2)9(10(11)12)8(3)5-6/h4-5H,1-3H3,(H,11,12)
CH$LINK: CAS 50-76-0
CH$LINK: CHEBI 64830
CH$LINK: PUBCHEM CID:10194
CH$LINK: INCHIKEY FFFIRKXTFQCCKJ-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 9779

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$MASS_SPECTROMETRY: COLLISION_ENERGY 45
AC$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 16.564 min
AC$CHROMATOGRAPHY: SOLVENT A 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol

MS$FOCUSED_ION: BASE_PEAK 206.007
MS$FOCUSED_ION: PRECURSOR_M/Z 163.0765
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$FOCUSED_ION: PRECURSOR_INTENSITY 9196228.84375
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$SPLASH: splash10-014i-0900000000-ebbe9f501bbe404162a4
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  91.0191 C6H3O- 1 91.0189 2.15
  106.0425 C7H6O- 1 106.0424 0.87
  119.0866 C9H11- 1 119.0866 -0.38
  121.066 C8H9O- 1 121.0659 0.9
  136.0529 C8H8O2- 1 136.053 -0.45
  163.0764 C10H11O2- 1 163.0765 -0.23
PK$NUM_PEAK: 6
PK$PEAK: m/z int. rel.int.
  91.0191 2417.3 4
  106.0425 1937.7 3
  119.0866 599393.9 999
  121.066 2779.5 4
  136.0529 2078.6 3
  163.0764 93641 156
//

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