ACCESSION: MSBNK-BS-BS003749
RECORD_TITLE: 5,4'-Dihydroxy-7-methoxyflavone (Genkwanin, 7-methoxyapigenin); LC-ESI-QTOF; MS2; CE:40 eV; [M-H]-
DATE: 2017.12.01 (Created 2014.01.04)
AUTHORS: Plant Biology, The Noble Foundation, Ardmore, OK, US/Dennis Fine, Daniel Wherritt, and Lloyd Sumner
LICENSE: CC BY-NC-SA

CH$NAME: 5,4'-Dihydroxy-7-methoxyflavone (Genkwanin, 7-methoxyapigenin)
CH$COMPOUND_CLASS: Natural Product; N/A
CH$FORMULA: C₁₆H₁₂O₅
CH$EXACT_MASS: 284.0685
CH$SMILES: C(OC1=C(C(=C2C(=C1[H])OC(=C(C2=O)[H])C3=C(C(=C(C(=C3[H])[H])O[H])[H])[H])O[H])[H])([H])([H])[H]
CH$IUPAC: InChI=1S/C16H12O5/c1-20-11-6-12(18)16-13(19)8-14(21-15(16)7-11)9-2-4-10(17)5-3-9/h2-8,17-18H,1H3
CH$LINK: CAS 437-64-9
CH$LINK: COMPTOX DTXSID80195908
CH$LINK: INCHIKEY JPMYFOBNRRGFNO-UHFFFAOYSA-N
CH$LINK: PUBCHEM CID:5281617

AC$INSTRUMENT: Bruker impact HD
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 40 eV
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: ISOLATION_WIDTH 5
AC$MASS_SPECTROMETRY: PEAK_WIDTH 0.016
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 94.8812-1505.23
AC$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 874.8 sec

MS$FOCUSED_ION: PRECURSOR_M/Z 283.1
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: WHOLE convert from Bruker Library Editor (https://github.com/MassBank/MassBank2NIST)

PK$SPLASH: splash10-014i-0290000000-7f0762551fb6c96fab9b
PK$NUM_PEAK: 8
PK$PEAK: m/z int. rel.int.
  117.0331 334 334
  151.0037 171 171
  211.0397 170 170
  239.0347 315 315
  240.0403 323 323
  267.0269 162 162
  268.0354 999 999
  269.0399 177 177
//