ACCESSION: MSBNK-BS-BS003979
RECORD_TITLE: Arachidonic acid; LC-ESI-QTOF; MS2; CE:20 eV; [M-H]-
DATE: 2017.12.01 (Created 2014.10.08)
AUTHORS: Plant Biology, The Noble Foundation, Ardmore, OK, US/Dennis Fine, Daniel Wherritt, and Lloyd Sumner
LICENSE: CC BY-NC-SA

CH$NAME: Arachidonic acid
CH$NAME: 5Z,8Z,11Z,14Z-Eicosatetraenoic acid
CH$COMPOUND_CLASS: Natural Product; N/A
CH$FORMULA: C₂₀H₃₂O₂
CH$EXACT_MASS: 304.24023
CH$SMILES: CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)O
CH$IUPAC: InChI=1S/C20H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h6-7,9-10,12-13,15-16H,2-5,8,11,14,17-19H2,1H3,(H,21,22)/b7-6-,10-9-,13-12-,16-15-
CH$LINK: CAS 506-32-1
CH$LINK: CHEMSPIDER 392692
CH$LINK: COMPTOX DTXSID4040420
CH$LINK: HMDB HMDB01043
CH$LINK: INCHIKEY YZXBAPSDXZZRGB-DOFZRALJSA-N
CH$LINK: KEGG C00219
CH$LINK: KNAPSACK C00000388
CH$LINK: LIPIDBANK DFA0213
CH$LINK: LIPIDMAPS LMFA01030001
CH$LINK: PUBCHEM CID:444899

AC$INSTRUMENT: Bruker impact HD
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 20 eV
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: ISOLATION_WIDTH 5
AC$MASS_SPECTROMETRY: PEAK_WIDTH 0.017
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 94.8518-1505.16
AC$CHROMATOGRAPHY: COLUMN_NAME Waters Acquity BEH C18 1.7um x 2.1 x 150 mm
AC$CHROMATOGRAPHY: FLOW_GRADIENT 95/5 at 0 min, 20/80 at 35 min; 5/95 at 35 min, 5/95 at 38 min; 95/5 at 38.1 min, 95/5 at 45 min
AC$CHROMATOGRAPHY: FLOW_RATE FLOW_RATE 560 uL / min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.05% formic acid
AC$CHROMATOGRAPHY: SOLVENT B acetonitrile with 0.05 % formic acid
AC$CHROMATOGRAPHY: RETENTION_TIME 1782.6 sec

MS$FOCUSED_ION: PRECURSOR_M/Z 303.2335
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: WHOLE convert from Bruker Library Editor (https://github.com/MassBank/MassBank2NIST)

PK$SPLASH: splash10-0udi-0009000000-510ea33e558fa238a1d2
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  259.2431 81 81
  260.2460 21 21
  303.2335 999 999
  304.2365 221 221
//