MassBank Record: MSBNK-Antwerp_Univ-METOX_N104426_9C9C
ACCESSION: MSBNK-Antwerp_Univ-METOX_N104426_9C9C
RECORD_TITLE: Eicosapentaenoic acid; LC-ESI-QTOF; MS2; CE: 40eV; 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 1044
CH$NAME: Eicosapentaenoic acid
CH$NAME: (5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoic acid
CH$COMPOUND_CLASS: N/A; Metabolomics Standard
CH$FORMULA: C20H30O2
CH$EXACT_MASS: 302.2246
CH$SMILES: CC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CCCC(O)=O
CH$IUPAC: InChI=1S/C20H30O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h3-4,6-7,9-10,12-13,15-16H,2,5,8,11,14,17-19H2,1H3,(H,21,22)/b4-3-,7-6-,10-9-,13-12-,16-15-
CH$LINK: CAS
10417-94-4
CH$LINK: CHEBI
28364
CH$LINK: KEGG
D08061
CH$LINK: LIPIDMAPS
LMFA01030759
CH$LINK: PUBCHEM
CID:446284
CH$LINK: INCHIKEY
JAZBEHYOTPTENJ-JLNKQSITSA-N
CH$LINK: CHEMSPIDER
393682
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$MASS_SPECTROMETRY: MASS_RANGE_M/Z 77-1679
AC$CHROMATOGRAPHY: COLUMN_NAME N/A
AC$CHROMATOGRAPHY: FLOW_GRADIENT 50/50 isocratic
AC$CHROMATOGRAPHY: FLOW_RATE 200 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 0.187 min
AC$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 357.1892
MS$FOCUSED_ION: PRECURSOR_M/Z 301.2173
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$FOCUSED_ION: PRECURSOR_INTENSITY 9636
MS$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$SPLASH: splash10-014m-9470000000-d2563411c89a747b717f
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
77.0403 C6H5- 1 77.0397 7.67
91.0201 C6H3O- 1 91.0189 13.01
99.0797 C6H11O- 1 99.0815 -18.29
149.0067 C11HO- 1 149.0033 22.73
199.022 C15H3O- 1 199.0189 15.62
217.0647 C16H9O- 1 217.0659 -5.45
218.0722 C16H10O- 1 218.0737 -7.04
PK$NUM_PEAK: 7
PK$PEAK: m/z int. rel.int.
77.0403 35.4 194
91.0201 141.3 775
99.0797 78.4 430
149.0067 61.6 337
199.022 57.5 315
217.0647 182.1 999
218.0722 41.5 227
//