ACCESSION: MSBNK-Athens_Univ-AU287402
RECORD_TITLE: Daidzein; LC-ESI-QTOF; MS2; CE: 20 eV; R=35000; [M+H]+
DATE: 2019.05.31
AUTHORS: Nikiforos Alygizakis, Katerina Galani, Nikolaos Thomaidis, University of Athens
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2019 Department of Chemistry, University of Athens
COMMENT: CONFIDENCE standard compound
COMMENT: INTERNAL_ID 2874

CH$NAME: Daidzein
CH$NAME: 7-hydroxy-3-(4-hydroxyphenyl)chromen-4-one
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₁₅H₁₀O₄
CH$EXACT_MASS: 254.0579088
CH$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: CAS 486-66-8
CH$LINK: CHEBI 28197
CH$LINK: KEGG C10208
CH$LINK: LIPIDMAPS LMPK12050038
CH$LINK: PUBCHEM CID:5281708
CH$LINK: INCHIKEY ZQSIJRDFPHDXIC-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 4445025
CH$LINK: COMPTOX DTXSID9022310

AC$INSTRUMENT: Bruker maXis Impact
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 20 eV
AC$MASS_SPECTROMETRY: RESOLUTION 35000
AC$CHROMATOGRAPHY: COLUMN_NAME Acclaim RSLC C18 2.2um, 2.1x100mm, Thermo
AC$CHROMATOGRAPHY: FLOW_GRADIENT 99/1 at 0-1 min, 61/39 at 3 min, 0.1/99.9 at 14-16 min, 99/1 at 16.1-20 min
AC$CHROMATOGRAPHY: FLOW_RATE 200 uL/min at 0-3 min, 400 uL/min at 14 min, 480 uL/min at 16-19 min, 200 uL/min at 19.1-20 min
AC$CHROMATOGRAPHY: RETENTION_TIME 6.891 min
AC$CHROMATOGRAPHY: SOLVENT A 90:10 water:methanol with 0.01% formic acid and 5mM ammonium formate
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.01% formic acid and 5mM ammonium formate

MS$FOCUSED_ION: BASE_PEAK 255.0647
MS$FOCUSED_ION: PRECURSOR_M/Z 255.0652
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: RECALIBRATE identity on assigned fragments and MS1
MS$DATA_PROCESSING: WHOLE RMassBank 2.10.1

PK$SPLASH: splash10-0a4i-0090000000-7ba520b1d9e2ad313b7d
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  137.0224 C7H5O3+ 1 137.0233 -7.02
  181.0635 C13H9O+ 1 181.0648 -7.06
  199.0745 C13H11O2+ 1 199.0754 -4.51
  227.0695 C14H11O3+ 1 227.0703 -3.56
  255.0651 C15H11O4+ 1 255.0652 -0.21
  256.0683 C14[13]CH11O4+ 1 256.0691 -3.19
  257.0707 C13[13]C2H11O4+ 1 257.0724 -6.83
PK$NUM_PEAK: 7
PK$PEAK: m/z int. rel.int.
  137.0224 2588 15
  181.0635 1060 6
  199.0745 6460 38
  227.0695 3188 19
  255.0651 167400 999
  256.0683 27844 166
  257.0707 3112 18
//