ACCESSION: MSBNK-Eawag-EQ418358
RECORD_TITLE: Fluxapyroxad (BAS 700 F)-TP CSCD465008; LC-ESI-QFT; MS2; CE: 150%; R=17500; [M-H]-
DATE: 2019.12.03
AUTHORS: K. Kiefer [dtc], J. Hollender [dtc], H. Singer [dtc], M. Stravs [com]
LICENSE: CC BY-SA
COPYRIGHT: Copyright (C) Eawag 2019
PUBLICATION: Kiefer, K.; Mueller, A.; Singer, H.; Hollender, J. New relevant pesticide transformation products in groundwater detected using target and suspect screening for agricultural and urban micropollutants with LC-HRMS. Water Research 2019, 165. DOI: https://doi.org/10.1016/j.watres.2019.114972
COMMENT: CONFIDENCE standard compound
COMMENT: UCHEM_ID 4183

CH$NAME: Fluxapyroxad (BAS 700 F)-TP CSCD465008
CH$NAME: 3-(Difluoromethyl)-1H-pyrazole-4-carboxylic acid
CH$NAME: 5-(difluoromethyl)-1H-pyrazole-4-carboxylic acid
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₅H₄F₂N₂O₂
CH$EXACT_MASS: 162.0241
CH$SMILES: OC(=O)C1=CNN=C1C(F)F
CH$IUPAC: InChI=1S/C5H4F2N2O2/c6-4(7)3-2(5(10)11)1-8-9-3/h1,4H,(H,8,9)(H,10,11)
CH$LINK: CAS 151734-02-0
CH$LINK: PUBCHEM CID:19754697
CH$LINK: INCHIKEY IGQNDARULCASRN-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 14393850

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 NEGATIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 150 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 17500
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 2.063 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B MeOH with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 141.0106
MS$FOCUSED_ION: PRECURSOR_M/Z 161.0168
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 2.99.1

PK$SPLASH: splash10-014i-9000000000-ee4bdd8d0918eb6a7042
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  50.0036 C3N- 1 50.0036 -1.28
  63.9956 C4O- 1 63.9955 1.49
  65.0034 C4HO- 1 65.0033 0.98
  65.9986 C3NO- 1 65.9985 0.74
  66.9989 C4F- 1 66.999 -1.1
  70.01 C3HFN- 1 70.0099 1.52
PK$NUM_PEAK: 8
PK$PEAK: m/z int. rel.int.
  50.0036 1361016.4 362
  50.0115 38383.2 10
  63.9956 55582.3 14
  65.0034 146733.3 39
  65.9986 3749064 999
  66.9989 32478.1 8
  67.0021 27573.8 7
  70.01 30170 8
//