ACCESSION: MSBNK-Eawag-EQ366401
RECORD_TITLE: Danofloxacin; 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 3664

CH$NAME: Danofloxacin
CH$NAME: 1-cyclopropyl-6-fluoro-7-(5-methyl-2-aza-5-azoniabicyclo[2.2.1]heptan-2-yl)-4-oxoquinoline-3-carboxylate
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₁₉H₂₀FN₃O₃
CH$EXACT_MASS: 357.14887
CH$SMILES: CN1C[C@@H]2C[C@H]1CN2C3=C(C=C4C(=C3)N(C=C(C4=O)C(=O)O)C5CC5)F
CH$IUPAC: InChI=1S/C19H20FN3O3/c1-21-7-12-4-11(21)8-22(12)17-6-16-13(5-15(17)20)18(24)14(19(25)26)9-23(16)10-2-3-10/h5-6,9-12H,2-4,7-8H2,1H3,(H,25,26)/t11-,12-/m0/s1
CH$LINK: CAS 112398-08-0
CH$LINK: PUBCHEM CID:71335
CH$LINK: INCHIKEY QMLVECGLEOSESV-RYUDHWBXSA-N
CH$LINK: CHEMSPIDER 64439

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$FOCUSED_ION: BASE_PEAK 164.9843
MS$FOCUSED_ION: PRECURSOR_M/Z 358.1561
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$SPLASH: splash10-0a4i-0009000000-b0200d581e877e137f24
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  314.1664 C18H21FN3O+ 1 314.1663 0.26
  358.1561 C19H21FN3O3+ 1 358.1561 -0.02
PK$NUM_PEAK: 2
PK$PEAK: m/z int. rel.int.
  314.1664 37867.5 10
  358.1561 3625618.5 999
//