MassBank Record: MSJ00047



 Arachidonic acid; LC-ESI-QQ; MS2; Negative; [M-H]- 
Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk) \n

ACCESSION: MSJ00047
RECORD_TITLE: Arachidonic acid; LC-ESI-QQ; MS2; Negative; [M-H]-
DATE: 2017.07.13 (2017.01.05)
AUTHORS: , Kie Kasuga, Takahiro Suga, Nariyasu Mano (Tohoku University, Tohoku University Hospital)
LICENSE: CC BY
COPYRIGHT: Kie Kasuga, Takahiro Suga, Nariyasu Mano (Tohoku University, Tohoku University Hospital)
COMMENT: Chemical was purchased from CAY 90010 (Lot. 0447254-11)
COMMENT: Diagnostic ions:303.1, 259.2, 205.2

CH$NAME: Arachidonic acid CH$NAME: 5Z,8Z,11Z,14Z-Eicosatetraenoic acid CH$COMPOUND_CLASS: Natural Product; Lipid CH$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: TSQ Vantage, Thermo Scientific coupled to Nexera, Shimadzu AC$INSTRUMENT_TYPE: LC-ESI-QQ AC$MASS_SPECTROMETRY: MS_TYPE MS2 AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE AC$MASS_SPECTROMETRY: COLLISION_ENERGY 16 eV AC$MASS_SPECTROMETRY: IONIZATION ESI AC$CHROMATOGRAPHY: COLUMN_NAME Inertsil ODS-3, (C18, 2.1mm i.d. x 100mm, 2 microm) with Inertsil ODS-3 (3 mm i.d. x 10 mm, 5 microm) AC$CHROMATOGRAPHY: FLOW_GRADIENT 0-7 min: 50% B, 7 -12 min: 50% to 100 % B, 12-17 min: 100% B, 17-20 min: 50% B AC$CHROMATOGRAPHY: FLOW_RATE 0.2 ml/min AC$CHROMATOGRAPHY: RETENTION_TIME 17.5 min AC$CHROMATOGRAPHY: SOLVENT A) Water/Acetic acid (100/0.1, v/v) B) Acetonitrile/Acetic acid (100/0.1, v/v)
MS$FOCUSED_ION: PRECURSOR_M/Z 303.133484 MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
PK$SPLASH: splash10-0udi-0019000000-62c5db4550ce039594cf PK$NUM_PEAK: 4 PK$PEAK: m/z int. rel.int. 205.2 19250 27 259.2 102204 144 302.4 9043 13 303.1 710689 999 //

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