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MassBank Record: MSBNK-LCSB-LU096701

4-Methylumbelliferone; 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: MSBNK-LCSB-LU096701
RECORD_TITLE: 4-Methylumbelliferone; 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 967
COMMENT: DATASET 20200303_ENTACT_RP_MIX502
COMMENT: DATA_PROCESSING MERGING RMBmix ver. 0.2.7
COMMENT: DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0
COMMENT: ORIGINAL_ACQUISITION_NO 7342
COMMENT: ORIGINAL_PRECURSOR_SCAN_NO 7340
COMMENT: RAW_DATA available as MSV000091754 at [DOI:10.25345/C5S46HG75]

CH$NAME: 4-Methylumbelliferone
CH$NAME: 7-hydroxy-4-methylchromen-2-one
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C10H8O3
CH$EXACT_MASS: 176.0473
CH$SMILES: CC1=CC(=O)OC2=C1C=CC(O)=C2
CH$IUPAC: InChI=1S/C10H8O3/c1-6-4-10(12)13-9-5-7(11)2-3-8(6)9/h2-5,11H,1H3
CH$LINK: CAS 90-33-5
CH$LINK: CHEBI 17224
CH$LINK: KEGG D00170
CH$LINK: PUBCHEM CID:5280567
CH$LINK: INCHIKEY HSHNITRMYYLLCV-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 4444190

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 14.071 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 177.0546
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$FOCUSED_ION: PRECURSOR_INTENSITY 5130245.03125
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$SPLASH: splash10-004i-0900000000-50f04ee5f474aa6ab8b8
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  79.0541 C6H7+ 1 79.0542 -1.56
  91.0542 C7H7+ 1 91.0542 -0.81
  93.0698 C7H9+ 1 93.0699 -0.41
  103.054 C8H7+ 1 103.0542 -1.89
  105.0698 C8H9+ 1 105.0699 -0.32
  121.0647 C8H9O+ 1 121.0648 -0.68
  133.0647 C9H9O+ 1 133.0648 -0.7
  149.0598 C9H9O2+ 1 149.0597 0.86
  177.0545 C10H9O3+ 1 177.0546 -0.57
PK$NUM_PEAK: 9
PK$PEAK: m/z int. rel.int.
  79.0541 4871 1
  91.0542 4774.8 1
  93.0698 4212.6 1
  103.054 4459.7 1
  105.0698 63420.7 15
  121.0647 21900 5
  133.0647 22414.3 5
  149.0598 5450.4 1
  177.0545 4192468.8 999
//

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