ACCESSION: MSBNK-RIKEN-PR309102
RECORD_TITLE: FA 18:2+4O; LC-ESI-QTOF; MS2
DATE: 2019.03.28
AUTHORS: Tetsuya Mori, Center for Sustainable Resource Science, RIKEN
LICENSE: CC BY-NC-SA
PUBLICATION: Tsugawa H., Nakabayashi R., Mori T., Yamada Y., Takahashi M., Rai A., Sugiyama R., Yamamoto H., Nakaya T., Yamazaki M., Kooke R., Bac-Molenaar JA., Oztolan-Erol N., Keurentjes JJB., Arita M., Saito K. (2019) "A cheminformatics approach to characterize metabolomes in stable-isotope-labeled organisms" Nature Methods 16(4):295-298. [doi:10.1038/s41592-019-0358-2]
COMMENT: Annotation level-3

CH$NAME: FA 18:2+4O
CH$COMPOUND_CLASS: Oxidized fatty acids
CH$FORMULA: C₁₈H₃₂O₆
CH$EXACT_MASS: 344.448
CH$SMILES: O=C(O)CCCCCCCC(O)C=CC1OC(CC1(O))C(O)CC
CH$IUPAC: InChI=1S/C18H32O6/c1-2-14(20)17-12-15(21)16(24-17)11-10-13(19)8-6-4-3-5-7-9-18(22)23/h10-11,13-17,19-21H,2-9,12H2,1H3,(H,22,23)
CH$LINK: INCHIKEY BHWUKOCNOLCGLB-UHFFFAOYSA-N

AC$INSTRUMENT: LC, Waters Acquity UPLC System; MS, Waters Xevo G2 Q-Tof
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 6V
AC$MASS_SPECTROMETRY: DESOLVATION_GAS_FLOW 800/h
AC$MASS_SPECTROMETRY: DESOLVATION_TEMPERATURE 450 C
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$CHROMATOGRAPHY: CAPILLARY_VOLTAGE +3.00 kV
AC$CHROMATOGRAPHY: COLUMN_NAME Acquity bridged ethyl hybrid C18 (1.7 um, 2.1 mm * 100 mm, Waters)
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 40 C
AC$CHROMATOGRAPHY: FLOW_GRADIENT A/B = (99.5%/0.5% at 0 min, 99.5%/0.5% at 0.1 min, 20%/80% at 10 min, 0.5%/99.5% at 10.1 min, 0.5%/99.5% at 12.0 min, 99.5%/0.5% at 12.1 min, 99.5%/0.5% at 15.0 min)
AC$CHROMATOGRAPHY: FLOW_RATE 0.3 ml/min at 0 min, 0.3 ml/min at 10 min, 0.4 ml/min at 10.1 min, 0.4 ml/min at 14.4 min, 0.3 ml/min at 14.5 min
AC$CHROMATOGRAPHY: RETENTION_TIME 4.82
AC$CHROMATOGRAPHY: SOLVENT A water including 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B acetonitrile including 0.1% formic acid

MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$FOCUSED_ION: PRECURSOR_M/Z 343.2122

PK$SPLASH: splash10-0006-0819000000-5bbd8674d1a360b1b4d6
PK$NUM_PEAK: 14
PK$PEAK: m/z int. rel.int.
  123.0818 24.0 95
  127.1116 16.0 63
  135.07961 55.0 217
  135.09456 17.0 67
  154.09018 16.0 63
  171.09612 20.0 79
  171.1019 76.0 300
  171.11307 18.0 71
  173.0443 16.0 63
  201.11237 17.0 67
  201.12662 16.0 63
  205.11449 17.0 67
  343.17398 18.0 71
  343.21515 253.0 999
//