ACCESSION: MSBNK-BS-BS003804
RECORD_TITLE: 5,7-Dihydroxy-4'-methoxyflavone; LC-ESI-QTOF; MS2; CE:20 eV; [M-H]-
DATE: 2017.12.01 (Created 2014.01.07)
AUTHORS: Plant Biology, The Noble Foundation, Ardmore, OK, US/Dennis Fine, Daniel Wherritt, and Lloyd Sumner
LICENSE: CC BY-NC-SA

CH$NAME: 5,7-Dihydroxy-4'-methoxyflavone
CH$COMPOUND_CLASS: Natural Product; N/A
CH$FORMULA: C₁₆H₁₂O₅
CH$EXACT_MASS: 284.0685
CH$SMILES: C(OC1=C(C(=C(C(=C1[H])[H])C2=C(C(=O)C3=C(C(=C(C(=C3O2)[H])O[H])[H])O[H])[H])[H])[H])([H])([H])[H]
CH$IUPAC: InChI=1S/C16H12O5/c1-20-11-4-2-9(3-5-11)14-8-13(19)16-12(18)6-10(17)7-15(16)21-14/h2-8,17-18H,1H3
CH$LINK: CAS 480-44-4
CH$LINK: COMPTOX DTXSID00197383
CH$LINK: INCHIKEY DANYIYRPLHHOCZ-UHFFFAOYSA-N
CH$LINK: PUBCHEM CID:5280442

AC$INSTRUMENT: Bruker impact HD
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 20 eV
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: ISOLATION_WIDTH 5
AC$MASS_SPECTROMETRY: PEAK_WIDTH 0.014
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 94.8826-1505.26
AC$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 811.2 sec

MS$FOCUSED_ION: PRECURSOR_M/Z 285.0764
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: WHOLE convert from Bruker Library Editor (https://github.com/MassBank/MassBank2NIST)

PK$SPLASH: splash10-000i-0190000000-f9171d6a3ce11fafc8dd
PK$NUM_PEAK: 15
PK$PEAK: m/z int. rel.int.
  119.0499 33 33
  149.9956 73 73
  151.0028 105 105
  164.0115 33 33
  226.0637 56 56
  241.0866 66 66
  243.0659 255 255
  244.0691 45 45
  252.0425 67 67
  257.0815 113 113
  267.0657 109 109
  270.0526 226 226
  283.0609 39 39
  285.0764 999 999
  286.0787 119 119
//