ACCESSION: MSBNK-Eawag-EQ338157
RECORD_TITLE: Cetirizine N-Oxide; LC-ESI-QFT; MS2; CE: 120; R=35000; [M-H]-
DATE: 2015.08.26
AUTHORS: Beck B, 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 3381

CH$NAME: Cetirizine N-Oxide
CH$NAME: (R)-Cetirizine N-Oxide
CH$NAME: 2-[2-[4-[(4-chlorophenyl)-phenylmethyl]-1-oxidopiperazin-1-ium-1-yl]ethoxy]acetic acid
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₂₁H₂₅ClN₂O₄
CH$EXACT_MASS: 404.15028
CH$SMILES: C1C[N+](CCN1C(C2=CC=CC=C2)C3=CC=C(C=C3)Cl)(CCOCC(=O)O)[O-]
CH$IUPAC: InChI=1S/C21H25ClN2O4/c22-19-8-6-18(7-9-19)21(17-4-2-1-3-5-17)23-10-12-24(27,13-11-23)14-15-28-16-20(25)26/h1-9,21H,10-16H2,(H,25,26)
CH$LINK: CAS 1076199-80-8
CH$LINK: PUBCHEM CID:45038602
CH$LINK: INCHIKEY IVDOUUOLLFEMJQ-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 21896624
CH$LINK: COMPTOX DTXSID90891484

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$MASS_SPECTROMETRY: COLLISION_ENERGY 120 (nominal)
AC$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 9.6 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 403.1428
MS$FOCUSED_ION: PRECURSOR_M/Z 403.143
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 1.9.6

PK$SPLASH: splash10-00fr-9000000000-47ae9912f3ad38b15e8b
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  58.006 C2H2O2- 1 58.006 -0.83
  59.0138 C2H3O2- 1 59.0139 -0.22
  59.9853 CO3- 1 59.9853 0.96
  67.0302 C3H3N2- 1 67.0302 0.72
  72.9932 C2HO3- 1 72.9931 1.54
  75.0088 C2H3O3- 1 75.0088 0.97
PK$NUM_PEAK: 6
PK$PEAK: m/z int. rel.int.
  58.006 44924.3 42
  59.0138 15379.5 14
  59.9853 69700.3 66
  67.0302 9865.3 9
  72.9932 1045966.7 999
  75.0088 526249.6 502
//