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MassBank Record: MSBNK-NaToxAq-NA001473

Daphnetin; LC-ESI-ITFT; MS2; CE: 90%; R=15000; [M+H]+

Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk)

ACCESSION: MSBNK-NaToxAq-NA001473
RECORD_TITLE: Daphnetin; LC-ESI-ITFT; MS2; CE: 90%; R=15000; [M+H]+
DATE: 2019.07.31
AUTHORS: Tobias Schulze, Vaidotas Kisielius, Xiaomeng Liang, Mulatu Yohannes Nanusha, Martin Krauss, Helmholtz Centre for Environmental Research GmbH - UFZ, Leipzig, Germany and University of Copenhagen (UCPH), Denmark
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2019
COMMENT: CONFIDENCE Reference Standard (Level 1)
COMMENT: INTERNAL_ID 15

CH$NAME: Daphnetin
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C9H6O4
CH$EXACT_MASS: 178.0266
CH$SMILES: OC1=CC=C2C=CC(=O)OC2=C1O
CH$IUPAC: InChI=1S/C9H6O4/c10-6-3-1-5-2-4-7(11)13-9(5)8(6)12/h1-4,10,12H
CH$LINK: INCHIKEY ATEFPOUAMCWAQS-UHFFFAOYSA-N
CH$LINK: PUBCHEM CID:5280569
CH$LINK: COMPTOX DTXSID00197560

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$MASS_SPECTROMETRY: COLLISION_ENERGY 90 % (nominal)
AC$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 4.661 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 143.0016
MS$FOCUSED_ION: PRECURSOR_M/Z 179.0339
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 2.12.0

PK$SPLASH: splash10-05e9-6900000000-1bd6d8168907f9fd1ca0
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  51.0228 C4H3+ 1 51.0229 -1.94
  67.0542 C5H7+ 1 67.0542 0.2
  77.0387 C6H5+ 1 77.0386 1.64
  89.0387 C7H5+ 1 89.0386 1.13
  91.0543 C7H7+ 1 91.0542 0.94
  95.0492 C6H7O+ 1 95.0491 1.02
  105.0336 C7H5O+ 1 105.0335 1.21
  107.0493 C7H7O+ 1 107.0491 1.49
  119.0494 C8H7O+ 1 119.0491 2.13
  123.0442 C7H7O2+ 1 123.0441 1.17
  133.0286 C8H5O2+ 1 133.0284 1.31
  135.0444 C8H7O2+ 1 135.0441 2.77
  146.0368 C9H6O2+ 1 146.0362 3.81
PK$NUM_PEAK: 13
PK$PEAK: m/z int. rel.int.
  51.0228 2410.6 92
  67.0542 996.7 38
  77.0387 25933.1 999
  89.0387 6258.3 241
  91.0543 9931.1 382
  95.0492 3980.2 153
  105.0336 19797.3 762
  107.0493 1777.2 68
  119.0494 3089.4 119
  123.0442 16897.4 650
  133.0286 24754.7 953
  135.0444 1626 62
  146.0368 1081.3 41
//

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