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MassBank Record: EQ316901

Mefenpyr-diethyl; LC-ESI-QFT; MS2; CE: 15; R=35000; [M+H]+

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

ACCESSION: EQ316901
RECORD_TITLE: Mefenpyr-diethyl; LC-ESI-QFT; MS2; CE: 15; R=35000; [M+H]+
DATE: 2015.08.25
AUTHORS: Huntscha S, Stravs M, Schymanski E, Singer H, Department of Environmental Chemistry, Eawag
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2015 Eawag, Duebendorf, Switzerland
COMMENT: CONFIDENCE standard compound
COMMENT: EAWAG_UCHEM_ID 3169

CH$NAME: Mefenpyr-diethyl
CH$NAME: 1-(2,4-Dichlorophenyl)-4,5-dihydro-5-methyl-1H-pyrazole-3,5-dicarboxylic acid diethyl ester
CH$NAME: 1-(2,4-dichlorophenyl)-5-methyl-2-pyrazoline-3,5-dicarboxylic acid diethyl ester
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C16H18Cl2N2O4
CH$EXACT_MASS: 372.06436
CH$SMILES: Clc1cc(Cl)c(cc1)N2/N=C(/C(=O)OCC)CC2(C(=O)OCC)C
CH$IUPAC: InChI=1S/C16H18Cl2N2O4/c1-4-23-14(21)12-9-16(3,15(22)24-5-2)20(19-12)13-7-6-10(17)8-11(13)18/h6-8H,4-5,9H2,1-3H3
CH$LINK: CAS 135590-91-9
CH$LINK: PUBCHEM CID:10937610
CH$LINK: INCHIKEY OPGCOAPTHCZZIW-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 9112846
CH$LINK: COMPTOX DTXSID6037564

AC$INSTRUMENT: Q Exactive Orbitrap Thermo Scientific
AC$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$MASS_SPECTROMETRY: COLLISION_ENERGY 15 (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 35000
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 13.5 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 373.0724
MS$FOCUSED_ION: PRECURSOR_M/Z 373.0716
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: DEPROFILE Spline
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 1.9.6

PK$SPLASH: splash10-004i-0009000000-ec964748d8feee52ba0d
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  144.9607 C6H3Cl2+ 1 144.9606 0.33
  185.986 C11H3ClO+ 1 185.9867 -3.78
  252.9934 C11H7Cl2N2O+ 2 252.993 1.52
  271.0038 C11H9Cl2N2O2+ 2 271.0036 0.78
  280.9884 C12H7Cl2N2O2+ 2 280.9879 1.57
  298.9989 C12H9Cl2N2O3+ 2 298.9985 1.32
  327.0301 C14H13Cl2N2O3+ 1 327.0298 1.03
  359.056 C15H17Cl2N2O4+ 1 359.056 0.14
PK$NUM_PEAK: 8
PK$PEAK: m/z int. rel.int.
  144.9607 934102.1 2
  185.986 1579684.8 4
  252.9934 1394196.5 3
  271.0038 597762.4 1
  280.9884 605627.3 1
  298.9989 1678205.7 4
  327.0301 350225492.2 999
  359.056 1148951.3 3
//

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