ACCESSION: MSBNK-BS-BS003035
RECORD_TITLE: 7,4'-Dihydroxyflavone; LC-ESI-QTOF; MS2; CE:25 eV; [M-H]-
DATE: 2017.12.01 (Created 2013.07.27)
AUTHORS: Plant Biology, The Noble Foundation, Ardmore, OK, US/Dennis Fine, Daniel Wherritt, and Lloyd Sumner
LICENSE: CC BY-NC-SA

CH$NAME: 7,4'-Dihydroxyflavone
CH$COMPOUND_CLASS: Natural Product; N/A
CH$FORMULA: C₁₅H₁₀O₄
CH$EXACT_MASS: 254.0579
CH$SMILES: C1(=C(C(=C(C(=C1C2=C(C(=O)C3=C(O2)C(=C(C(=C3[H])[H])O[H])[H])[H])[H])[H])O[H])[H])[H]
CH$IUPAC: InChI=1S/C15H10O4/c16-10-3-1-9(2-4-10)14-8-13(18)12-6-5-11(17)7-15(12)19-14/h1-8,16-17H
CH$LINK: CAS 2196-14-7
CH$LINK: COMPTOX DTXSID50176365
CH$LINK: INCHIKEY LCAWNFIFMLXZPQ-UHFFFAOYSA-N
CH$LINK: PUBCHEM CID:5282073

AC$INSTRUMENT: Bruker impact HD
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 25 eV
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: PEAK_WIDTH 0.022
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 94.8829-3005.19
AC$CHROMATOGRAPHY: COLUMN_NAME Waters Acquity BEH C18 1.7um x 2.1 x 150 mm
AC$CHROMATOGRAPHY: FLOW_GRADIENT 95/5 at 0 min, 20/80 at 35 min; 5/95 at 35 min, 5/95 at 38 min; 95/5 at 38.1 min, 95/5 at 45 min
AC$CHROMATOGRAPHY: FLOW_RATE FLOW_RATE 560 uL / min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.05% formic acid
AC$CHROMATOGRAPHY: SOLVENT B acetonitrile with 0.05 % formic acid
AC$CHROMATOGRAPHY: RETENTION_TIME 430.725 sec

MS$FOCUSED_ION: PRECURSOR_M/Z 253.0531
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: WHOLE convert from Bruker Library Editor (https://github.com/MassBank/MassBank2NIST)

PK$SPLASH: splash10-0uxr-0980000000-74577388025ab56b4991
PK$NUM_PEAK: 9
PK$PEAK: m/z int. rel.int.
  117.0357 926 926
  118.0386 31 31
  133.0302 72 72
  135.0103 190 190
  153.0203 60 60
  224.0499 31 31
  225.0566 34 34
  253.0531 999 999
  254.0567 88 88
//