ACCESSION: MSBNK-Antwerp_Univ-METOX_N104229_9CB7
RECORD_TITLE: Docosahexaenoic acid; LC-ESI-QTOF; MS2; CE: 10eV; R=7000; [M-H]-
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 1042

CH$NAME: Docosahexaenoic acid
CH$NAME: (4Z,7Z,10Z,13Z,16Z,19Z)-docosa-4,7,10,13,16,19-hexaenoic acid
CH$COMPOUND_CLASS: N/A; Metabolomics Standard
CH$FORMULA: C₂₂H₃₂O₂
CH$EXACT_MASS: 328.2402
CH$SMILES: CC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CCC(O)=O
CH$IUPAC: InChI=1S/C22H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22(23)24/h3-4,6-7,9-10,12-13,15-16,18-19H,2,5,8,11,14,17,20-21H2,1H3,(H,23,24)/b4-3-,7-6-,10-9-,13-12-,16-15-,19-18-
CH$LINK: CAS 6217-54-5
CH$LINK: CHEBI 28125
CH$LINK: KEGG C06429
CH$LINK: LIPIDMAPS LMFA01030185
CH$LINK: PUBCHEM CID:445580
CH$LINK: INCHIKEY MBMBGCFOFBJSGT-KUBAVDMBSA-N
CH$LINK: CHEMSPIDER 393183

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$MASS_SPECTROMETRY: COLLISION_ENERGY 10 eV
AC$MASS_SPECTROMETRY: RESOLUTION 7000
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 70-1653
AC$CHROMATOGRAPHY: COLUMN_NAME N/A
AC$CHROMATOGRAPHY: FLOW_GRADIENT 50/50 isocratic
AC$CHROMATOGRAPHY: FLOW_RATE 200 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 0.191 min
AC$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$FOCUSED_ION: BASE_PEAK 357.1885
MS$FOCUSED_ION: PRECURSOR_M/Z 327.233
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$FOCUSED_ION: PRECURSOR_INTENSITY 43303
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$SPLASH: splash10-0059-0189000000-dbbf2cbc431ed9f4cd3c
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  149.1318 C11H17- 1 149.1336 -11.82
  175.1465 C13H19- 1 175.1492 -15.31
  229.1912 C17H25- 1 229.1962 -21.87
  283.2408 C21H31- 1 283.2431 -8.08
  327.2296 C22H31O2- 1 327.233 -10.17
PK$NUM_PEAK: 5
PK$PEAK: m/z int. rel.int.
  149.1318 94.1 106
  175.1465 96.7 109
  229.1912 78.4 88
  283.2408 792.9 899
  327.2296 881.1 999
//