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MassBank Record: MSBNK-RIKEN-PR303099

7,8-Dihydroxycoumarin; LC-ESI-QTOF; MS2

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

ACCESSION: MSBNK-RIKEN-PR303099
RECORD_TITLE: 7,8-Dihydroxycoumarin; 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: registered in RIKEN PlaSMA

CH$NAME: 7,8-Dihydroxycoumarin
CH$COMPOUND_CLASS: 7,8-dihydroxycoumarins
CH$FORMULA: C9H6O4
CH$EXACT_MASS: 178.143
CH$SMILES: OC1=C(O)C2=C(C=CC(=O)O2)C=C1
CH$IUPAC: InChI=1S/C9H6O4/c10-6-3-1-5-2-4-7(11)13-9(5)8(6)12/h1-4,10,12H
CH$LINK: INCHIKEY ATEFPOUAMCWAQS-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 POSITIVE
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 3.647717
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 179.0338851

PK$SPLASH: splash10-0560-4900000000-f1d734171530cbeba3f6
PK$NUM_PEAK: 28
PK$PEAK: m/z int. rel.int.
  67.05158 34.0 34
  74.01269 46.0 46
  77.03181 34.0 34
  77.04039 616.0 615
  78.04453 46.0 46
  86.3586 34.0 34
  89.03947 75.0 75
  95.04932 189.0 189
  95.05517 67.0 67
  105.01065 29.0 29
  105.02355 223.0 223
  105.03382 499.0 499
  106.04502 36.0 36
  117.04039 34.0 34
  123.04039 86.0 86
  123.04652 149.0 149
  123.75934 31.0 31
  124.05196 86.0 86
  124.69896 31.0 31
  125.04682 34.0 34
  126.50751 46.0 46
  133.02791 1000.0 999
  134.03166 77.0 77
  135.04089 29.0 29
  135.04781 41.0 41
  135.27353 33.0 33
  142.56111 38.0 38
  161.02217 41.0 41
//

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