ACCESSION: MSBNK-Eawag-EQ366701
RECORD_TITLE: Enrofloxacin; LC-ESI-QFT; MS2; CE: 15; R=35000; [M+H]+
DATE: 2015.08.25
AUTHORS: Stravs M, Schymanski E, Singer H, Department of Environmental Chemistry, Eawag and Thomaidis N, University of Athens
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2015 Eawag, Duebendorf, Switzerland
COMMENT: CONFIDENCE standard compound
COMMENT: EAWAG_UCHEM_ID 3667

CH$NAME: Enrofloxacin
CH$NAME: 1-cyclopropyl-7-(4-ethylpiperazin-4-ium-1-yl)-6-fluoro-4-oxoquinoline-3-carboxylate
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₁₉H₂₂FN₃O₃
CH$EXACT_MASS: 359.16452
CH$SMILES: CCN1CCN(CC1)C2=C(C=C3C(=C2)N(C=C(C3=O)C(=O)O)C4CC4)F
CH$IUPAC: InChI=1S/C19H22FN3O3/c1-2-21-5-7-22(8-6-21)17-10-16-13(9-15(17)20)18(24)14(19(25)26)11-23(16)12-3-4-12/h9-12H,2-8H2,1H3,(H,25,26)
CH$LINK: CAS 93106-60-6
CH$LINK: CHEBI 35720
CH$LINK: PUBCHEM CID:71188
CH$LINK: INCHIKEY SPFYMRJSYKOXGV-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 64326
CH$LINK: COMPTOX DTXSID1045619

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 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 4.4 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 360.1712
MS$FOCUSED_ION: PRECURSOR_M/Z 360.1718
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$SPLASH: splash10-03di-0009000000-0ceccd896185c92779f2
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  316.1823 C18H23FN3O+ 1 316.182 0.96
  342.1613 C19H21FN3O2+ 1 342.1612 0.2
  360.1719 C19H23FN3O3+ 1 360.1718 0.18
  361.1745 C17H23N5O4+ 1 361.1745 0.07
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  316.1823 17094400 40
  342.1613 6695498.5 15
  360.1719 423977952 999
  361.1745 922582.1 2
//