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MassBank Record: MSBNK-HBM4EU-HB002850

Diflufenican-OH (TENTATIVE); LC-ESI-QFT; MS2; CE: 30%; R=70000; [M+H]+

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

ACCESSION: MSBNK-HBM4EU-HB002850
RECORD_TITLE: Diflufenican-OH (TENTATIVE); LC-ESI-QFT; MS2; CE: 30%; R=70000; [M+H]+
DATE: 2021.02.23
AUTHORS: Carolin Huber, Tobias Schulze, Martin Krauss, Department of Effect-Directed Analysis, Helmholtz Centre for Environmental Research - UFZ GmbH, Leipzig, Germany
LICENSE: CC0
COPYRIGHT: Copyright (C) 2021 Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany
PUBLICATION: Huber C, Mueller E, Schulze T, Brack W, Krauss M, Improving the Screening Analysis of Pesticide Metabolites in Human Biomonitoring by Combining High-Throughput In Vitro Incubation and Automated LC–HRMS Data Processing, Analytical Chemistry, https://doi.org/10.1021/acs.analchem.1c00972
COMMENT: HBM4EU - science and policy for a healthy future (https://www.hbm4eu.eu)
COMMENT: COMMENT: CONFIDENCE: Tentative structure, with evidences on substitutes (Level 3b)
COMMENT: COMMENT: generated by human liver S9 incubation
COMMENT: Diflufenican_OH_30eV.txt

CH$NAME: Diflufenican-OH
CH$COMPOUND_CLASS: N/A; Biotransformation Product
CH$FORMULA: C19H11F5N2O3
CH$EXACT_MASS: 410.0686
CH$SMILES: C(*)1=C(*)C(=C(*)C(=C(*)1)OC2=C(C(*)=C(*)C(*)=N2)C(=O)NC3=C(C(*)=C(C(*)=C(*)3)F)F)C(F)(F)F *=[OH (n=1) & H (n=9)]
CH$IUPAC: N/A

AC$INSTRUMENT: Q Exactive Plus Orbitrap Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-QFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 30% (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 70000
AC$CHROMATOGRAPHY: COLUMN_NAME Waters UPLC BEH C18 1.7 um 2.1 mm x 100 mm with pre-column
AC$CHROMATOGRAPHY: FLOW_GRADIENT 100/0 at 0 min, 0/100 at 15 min, 0/100 at 21 min, 100/0 at 22 min, 100/0 at 30 min
AC$CHROMATOGRAPHY: FLOW_RATE 300 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 15.14 min
AC$CHROMATOGRAPHY: SOLVENT A water with 1% ammonium carbonate 1M
AC$CHROMATOGRAPHY: SOLVENT B methanol with 1% ammonium carbonate 1M and 5% water

MS$FOCUSED_ION: PRECURSOR_M/Z 411.0764
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: COMMENT Peaks removed that cannot be explained by GenForm and Molecular Formula (5 ppm)
MS$DATA_PROCESSING: WHOLE mzR

PK$SPLASH: splash10-014i-0090000000-e4f5d7cc9efe40b188d5
PK$NUM_PEAK: 12
PK$PEAK: m/z int. rel.int.
  203.0709 3252.8 5
  246.036 37962.5 58
  249.0471 14163.9 22
  265.0542 6304.6 10
  266.0422 655838 999
  267.0458 7192.2 11
  284.0527 30347.4 46
  351.0574 7180.1 11
  371.064 4380.5 7
  391.0702 6879.2 10
  393.0647 4202.3 6
  411.0761 11879.3 18
//

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Funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under the National Research Data Infrastructure – NFDI4Chem – Projektnummer 441958208.

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