ACCESSION: MSBNK-Eawag-EQ00029253
RECORD_TITLE: Diuron; LC-ESI-QFT; MS2; CE: 45%; R=15000; [M-H]-
DATE: 2024.06.14
AUTHORS: F. Jud [dtc], K. Arturi [dtc], J. Hollender [dtc], A. Dax [com]
LICENSE: CC BY-SA
COPYRIGHT: Copyright (C) Eawag 2024
COMMENT: CONFIDENCE standard compound
COMMENT: UCHEM_ID 292

CH$NAME: Diuron
CH$NAME: 3-(3,4-dichlorophenyl)-1,1-dimethylurea
CH$COMPOUND_CLASS: N/A
CH$FORMULA: C₉H₁₀Cl₂N₂O
CH$EXACT_MASS: 232.0170183
CH$SMILES: CN(C)C(=O)NC1=CC(Cl)=C(Cl)C=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

AC$INSTRUMENT: Q Exactive Plus
AC$INSTRUMENT_TYPE: LC-ESI-QFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 45 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 15000
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 50-255
AC$CHROMATOGRAPHY: COLUMN_NAME XBridge C18 3.5um, 2.1x50mm, Waters
AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0 min, 50/50 at 4 min, 5/95 at 17 min, 5/95 at 25 min, 90/10 at 25.1 min, 90/10 at 30 min
AC$CHROMATOGRAPHY: FLOW_RATE 200 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 7.860 min

MS$FOCUSED_ION: BASE_PEAK 231.0096
MS$FOCUSED_ION: PRECURSOR_M/Z 231.0097
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$FOCUSED_ION: PRECURSOR_INTENSITY 82422120.05
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 3.15.1.1

PK$SPLASH: splash10-000i-0920000000-15b51872dc73f7cbecc4
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  149.9751 C7HClNO- 2 149.9752 -0.47
  159.9726 C6H4Cl2N- 2 159.9726 0.01
  185.9518 C7H2Cl2NO- 1 185.9519 -0.3
  231.0097 C9H9Cl2N2O- 1 231.0097 -0.25
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  149.9751 2306086.5 145
  159.9726 2622800.2 165
  185.9518 15852016 999
  231.0097 5670786 357
//