ACCESSION: MSBNK-NaToxAq-NA002890
RECORD_TITLE: Daidzein; LC-ESI-ITFT; MS2; CE: 40%; R=15000; [M+H]+
DATE: 2020.02.21
AUTHORS: Tobias Schulze, Martin Krauss, Helmholtz Centre for Environmental Research GmbH - UFZ, Leipzig, Germany
LICENSE: CC0
COPYRIGHT: Copyright (C) 2020 by Helmholtz Centre for Environmental Research GmbH - UFZ, Leipzig, Germany
COMMENT: CONFIDENCE Reference Standard (Level 1)
COMMENT: INTERNAL_ID 2315

CH$NAME: Daidzein
CH$NAME: 7-hydroxy-3-(4-hydroxyphenyl)chromen-4-one
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₁₅H₁₀O₄
CH$EXACT_MASS: 254.0579
CH$SMILES: c1cc(ccc1c2coc3cc(ccc3c2=O)O)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$INSTRUMENT: LTQ Orbitrap XL Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-ITFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 40% (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 15000
AC$CHROMATOGRAPHY: COLUMN_NAME Kinetex Evo C18 2.6 um 50x2.1 mm, Phenomenex
AC$CHROMATOGRAPHY: FLOW_GRADIENT 95/5 at 0 min, 95/5 at 1 min, 0/100 at 13 min, 0/100 at 24 min, 95/5 at 24.3 min, 95/5/0 at 32 min
AC$CHROMATOGRAPHY: FLOW_RATE 300 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 9.174 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 116.9858
MS$FOCUSED_ION: PRECURSOR_M/Z 255.0652
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: RECALIBRATE loess on assigned fragments and MS1
MS$DATA_PROCESSING: REANALYZE Peaks with additional N2/O included
MS$DATA_PROCESSING: WHOLE RMassBank 2.14.1

PK$SPLASH: splash10-0a4i-0090000000-b50d7d5d59b4c6353b17
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  137.0233 C7H5O3+ 1 137.0233 -0.37
  199.0754 C13H11O2+ 1 199.0754 0.08
  227.0705 C14H11O3+ 1 227.0703 1
  255.0652 C15H11O4+ 1 255.0652 -0.09
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  137.0233 2214.2 5
  199.0754 9485.4 23
  227.0705 4396.8 10
  255.0652 402049.3 999
//