ACCESSION: MSBNK-RIKEN-PR306331
RECORD_TITLE: Daidzein; 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$NAME: Daidzein
CH$COMPOUND_CLASS: Isoflavones
CH$FORMULA: C₁₅H₁₀O₄
CH$EXACT_MASS: 254.241
CH$SMILES: OC1=CC=C(C=C1)C1=COC2=C(C=CC(O)=C2)C1=O
CH$IUPAC: InChI=1S/C15H10O4/c16-10-3-1-9(2-4-10)13-8-19-14-7-11(17)5-6-12(14)15(13)18/h1-8,16-17H
CH$LINK: INCHIKEY ZQSIJRDFPHDXIC-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$CHROMATOGRAPHY: CAPILLARY_VOLTAGE -2.75 kV
AC$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 5.161233
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 253.05063234783

PK$SPLASH: splash10-001i-0920000000-8bbfa8c7b69c486c16ec
PK$NUM_PEAK: 26
PK$PEAK: m/z int. rel.int.
  91.01712 245.0 245
  104.02691 229.0 229
  104.17718 55.0 55
  107.01928 71.0 71
  117.0366 50.0 50
  130.03983 42.0 42
  132.01907 1000.0 999
  133.02347 55.0 55
  135.01051 107.0 107
  141.06894 44.0 44
  145.02885 65.0 65
  167.05037 159.0 159
  168.0563 42.0 42
  169.05904 92.0 92
  170.0498 55.0 55
  178.04291 42.0 42
  179.04921 38.0 38
  183.05388 48.0 48
  195.04839 413.0 413
  196.04448 46.0 46
  196.05621 46.0 46
  208.05176 153.0 153
  223.02809 92.0 92
  223.03749 115.0 115
  224.05333 157.0 157
  253.05505 90.0 90
//