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MassBank Record: PR309079

FA 18:3+1O; LC-ESI-QTOF; MS2

Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk)

ACCESSION: PR309079
RECORD_TITLE: FA 18:3+1O; 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-2

CH$NAME: FA 18:3+1O
CH$COMPOUND_CLASS: Oxidized fatty acids
CH$FORMULA: C18H30O3
CH$EXACT_MASS: 294.435
CH$SMILES: O=C(O)CCCCCCCC(O)C=CC=CCC=CCC
CH$IUPAC: InChI=1S/C18H30O3/c1-2-3-4-5-6-8-11-14-17(19)15-12-9-7-10-13-16-18(20)21/h3-4,6,8,11,14,17,19H,2,5,7,9-10,12-13,15-16H2,1H3,(H,20,21)
CH$LINK: INCHIKEY RIGGEAZDTKMXSI-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 9.1
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 293.2116

PK$SPLASH: splash10-0006-0290000000-ddf7811371b7b72696eb
PK$NUM_PEAK: 26
PK$PEAK: m/z int. rel.int.
  121.10666 105.0 135
  149.09961 19.0 24
  152.93573 20.0 26
  171.0907 21.0 27
  171.10699 19.0 24
  172.1049 20.0 26
  183.13617 104.0 134
  184.14047 42.0 54
  185.13956 21.0 27
  196.14783 33.0 43
  211.13017 38.0 49
  231.21497 26.0 34
  232.21138 41.0 53
  235.16953 84.0 108
  235.18857 18.0 23
  236.16164 18.0 23
  236.17426 18.0 23
  236.18219 18.0 23
  247.19864 26.0 34
  257.19775 20.0 26
  269.87378 18.0 23
  275.19885 309.0 398
  275.21561 44.0 57
  276.20767 42.0 54
  277.20847 48.0 62
  293.21207 775.0 999
//

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