ACCESSION: MSBNK-Eawag-EQ331652
RECORD_TITLE: Linoleic acid; LC-ESI-QFT; MS2; CE: 30; R=35000; [M-H]-
DATE: 2015.08.25
AUTHORS: Otto J, Stravs M, Schymanski E, Singer H, Department of Environmental Chemistry, Eawag
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2015 Eawag, Duebendorf, Switzerland
COMMENT: CONFIDENCE standard compound
COMMENT: EAWAG_UCHEM_ID 3316

CH$NAME: Linoleic acid
CH$NAME: (9Z,12Z)-octadeca-9,12-dienoic acid
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₁₈H₃₂O₂
CH$EXACT_MASS: 280.24023
CH$SMILES: CCCCC/C=C\C/C=C\CCCCCCCC(=O)O
CH$IUPAC: InChI=1S/C18H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h6-7,9-10H,2-5,8,11-17H2,1H3,(H,19,20)/b7-6-,10-9-
CH$LINK: CAS 60-33-3
CH$LINK: KEGG C01595
CH$LINK: LIPIDMAPS LMFA01030120
CH$LINK: PUBCHEM CID:5280450
CH$LINK: INCHIKEY OYHQOLUKZRVURQ-HZJYTTRNSA-N
CH$LINK: CHEMSPIDER 4444105
CH$LINK: COMPTOX DTXSID2025505

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$MASS_SPECTROMETRY: COLLISION_ENERGY 30 (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 35000
AC$CHROMATOGRAPHY: COLUMN_NAME XBridge C18 3.5um, 2.1x50mm, Waters
AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0 min, 50/50 at 4 min, 5/95 at 17 min, 5/95 at 25 min, 90/10 at 25.1 min, 90/10 at 30 min
AC$CHROMATOGRAPHY: FLOW_RATE 200 ul/min
AC$CHROMATOGRAPHY: RETENTION_TIME 19.4 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 279.2332
MS$FOCUSED_ION: PRECURSOR_M/Z 279.233
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: DEPROFILE vendor picking in Proteowizard
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 1.9.6

PK$SPLASH: splash10-004i-0090000000-3cc0508fd4dfd47921e5
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  59.0139 C2H3O2- 1 59.0139 0.63
  261.2225 C18H29O- 1 261.2224 0.46
  279.233 C18H31O2- 1 279.233 0.06
PK$NUM_PEAK: 3
PK$PEAK: m/z int. rel.int.
  59.0139 225739.5 3
  261.2225 358151 5
  279.233 61901180 999
//