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MassBank Record: MSBNK-Antwerp_Univ-METOX_N104932_187B

gamma-Linolenic acid; LC-ESI-QTOF; MS2; CE: 40eV; R=7000; [M+CH3COO]-

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

ACCESSION: MSBNK-Antwerp_Univ-METOX_N104932_187B
RECORD_TITLE: gamma-Linolenic acid; LC-ESI-QTOF; MS2; CE: 40eV; R=7000; [M+CH3COO]-
DATE: 2022.04.09
AUTHORS: da Silva KM, Iturrospe E, van de Lavoir M, Robeyns R, University of Antwerp, Belgium
LICENSE: CC BY
COPYRIGHT: Copyright (c) 2021 by Toxicological Center, University of Antwerp, Wilrijk, Belgium
COMMENT: CONFIDENCE Standard compound
COMMENT: INTERNAL_ID 1049

CH$NAME: gamma-Linolenic acid
CH$NAME: (6Z,9Z,12Z)-octadeca-6,9,12-trienoic acid
CH$COMPOUND_CLASS: N/A; Metabolomics Standard
CH$FORMULA: C18H30O2
CH$EXACT_MASS: 278.2246
CH$SMILES: CCCCC\C=C/C\C=C/C\C=C/CCCCC(O)=O
CH$IUPAC: InChI=1S/C18H30O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h6-7,9-10,12-13H,2-5,8,11,14-17H2,1H3,(H,19,20)/b7-6-,10-9-,13-12-
CH$LINK: CAS 506-26-3
CH$LINK: CHEBI 28661
CH$LINK: KEGG C06426
CH$LINK: LIPIDMAPS LMFA01030141
CH$LINK: PUBCHEM CID:5280933
CH$LINK: INCHIKEY VZCCETWTMQHEPK-QNEBEIHSSA-N
CH$LINK: CHEMSPIDER 4444436

AC$INSTRUMENT: Agilent 6560 QTOF
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 40 eV
AC$MASS_SPECTROMETRY: RESOLUTION 7000
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 72-1685
AC$CHROMATOGRAPHY: COLUMN_NAME N/A
AC$CHROMATOGRAPHY: FLOW_GRADIENT 50/50 isocratic
AC$CHROMATOGRAPHY: FLOW_RATE 200 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 0.220 min
AC$CHROMATOGRAPHY: SOLVENT A 30/70 acetonitrile/water with 2mM ammonium acetate
AC$CHROMATOGRAPHY: SOLVENT B 88/10/2 isopropanol/acetonitrile/water with 2mM ammonium acetate

MS$FOCUSED_ION: BASE_PEAK 357.1894
MS$FOCUSED_ION: PRECURSOR_M/Z 337.2384
MS$FOCUSED_ION: PRECURSOR_TYPE [M+CH3COO]-
MS$FOCUSED_ION: PRECURSOR_INTENSITY 9303
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 3.5.2.1

PK$SPLASH: splash10-001i-9000000000-62b4629cd5526390c859
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  81.0352 C5H5O- 1 81.0346 7.69
  81.0566 C2H9O3- 1 81.0557 11.09
PK$NUM_PEAK: 2
PK$PEAK: m/z int. rel.int.
  81.0352 176.2 999
  81.0566 17.8 101
//

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