ACCESSION: MSBNK-UFZ-WANA0016213166PH
RECORD_TITLE: Diuron; LC-ESI-ITFT; MS2; CE: 70%; R=15000; [M+H]+
DATE: 2023.08.13
AUTHORS: Tobias Schulze, Martin Krauss, Department of Effect-Directed Analysis, Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany
LICENSE: CC0
COPYRIGHT: Copyright (C) 2023
COMMENT: CONFIDENCE Reference Standard (Level 1)

CH$NAME: Diuron
CH$NAME: 3-(3,4-dichlorophenyl)-1,1-dimethylurea
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₉H₁₀Cl₂N₂O
CH$EXACT_MASS: 232.0170183
CH$SMILES: CN(C)C(=O)NC1=CC=C(Cl)C(Cl)=C1
CH$IUPAC: InChI=1S/C9H10Cl2N2O/c1-13(2)9(14)12-6-3-4-7(10)8(11)5-6/h3-5H,1-2H3,(H,12,14)
CH$LINK: CAS 330-54-1
CH$LINK: CHEBI 116509
CH$LINK: KEGG C18428
CH$LINK: PUBCHEM CID:3120
CH$LINK: INCHIKEY XMTQQYYKAHVGBJ-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 3008
CH$LINK: COMPTOX DTXSID0020446

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$MASS_SPECTROMETRY: COLLISION_ENERGY 70 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 15000
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 50-245
AC$CHROMATOGRAPHY: COLUMN_NAME Kinetex Evo C18 2.6 um 50 x 2.1 mm
AC$CHROMATOGRAPHY: FLOW_GRADIENT 95/5 at 0 min, 95/5 at 1 min, 0/100 at 13 min, 0/100 at 24 min, 95/5 at 24.3 min, 95/5 at 32 min
AC$CHROMATOGRAPHY: FLOW_RATE 300 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 10.050 min

MS$FOCUSED_ION: BASE_PEAK 192.1389
MS$FOCUSED_ION: PRECURSOR_M/Z 233.0243
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$FOCUSED_ION: PRECURSOR_INTENSITY 14459623
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 3.11.2

PK$SPLASH: splash10-00di-9000000000-1b0988ca46fdf0221f1e
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  55.054 C4H7+ 1 55.0542 -4.86
  72.0442 C3H6NO+ 1 72.0444 -2.12
  83.0854 C6H11+ 1 83.0855 -1.75
  132.9607 C5H3Cl2+ 1 132.9606 0.25
  152.9982 C4H7Cl2N2+ 2 152.9981 0.57
  159.9715 C6H4Cl2N+ 2 159.9715 -0.39
  187.9665 C7H4Cl2NO+ 1 187.9664 0.28
PK$NUM_PEAK: 7
PK$PEAK: m/z int. rel.int.
  55.054 44964.6 26
  72.0442 1724154.5 999
  83.0854 38913.7 22
  132.9607 7790.9 4
  152.9982 6963.3 4
  159.9715 162753.1 94
  187.9665 16364.9 9
//