ACCESSION: MSBNK-Athens_Univ-AU221001
RECORD_TITLE: Olopatadine; LC-ESI-QTOF; MS2; CE: 10 eV; R=35000; [M+H]+
DATE: 2016.02.21
AUTHORS: Nikiforos Alygizakis, Reza Aalizadeh, Nikolaos Thomaidis, University of Athens
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2016 Department of Chemistry, University of Athens
COMMENT: CONFIDENCE standard compound
COMMENT: INTERNAL_ID 2210

CH$NAME: Olopatadine
CH$NAME: 2-[(11Z)-11-[3-(dimethylazaniumyl)propylidene]-6H-benzo[c][1]benzoxepin-2-yl]acetate
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₂₁H₂₃NO₃
CH$EXACT_MASS: 337.1677936
CH$SMILES: CN(C)CC/C=C\1/c2ccccc2COc3c1cc(cc3)CC(=O)O
CH$IUPAC: InChI=1S/C21H23NO3/c1-22(2)11-5-8-18-17-7-4-3-6-16(17)14-25-20-10-9-15(12-19(18)20)13-21(23)24/h3-4,6-10,12H,5,11,13-14H2,1-2H3,(H,23,24)/b18-8-
CH$LINK: CAS 140462-76-6
CH$LINK: KEGG D08293
CH$LINK: PUBCHEM CID:5281071
CH$LINK: INCHIKEY JBIMVDZLSHOPLA-LSCVHKIXSA-N
CH$LINK: CHEMSPIDER 4444528
CH$LINK: COMPTOX DTXSID3023390

AC$INSTRUMENT: Bruker maXis Impact
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 10 eV
AC$MASS_SPECTROMETRY: RESOLUTION 35000
AC$CHROMATOGRAPHY: COLUMN_NAME Acclaim RSLC C18 2.2um, 2.1x100mm, Thermo
AC$CHROMATOGRAPHY: FLOW_GRADIENT 99/1 at 0-1 min, 61/39 at 3 min, 0.1/99.9 at 14-16 min, 99/1 at 16.1-20 min
AC$CHROMATOGRAPHY: FLOW_RATE 200 uL/min at 0-3 min, 400 uL/min at 14 min, 480 uL/min at 16-19 min, 200 uL/min at 19.1-20 min
AC$CHROMATOGRAPHY: RETENTION_TIME 6.994 min
AC$CHROMATOGRAPHY: SOLVENT A 90:10 water:methanol with 0.01% formic acid and 5mM ammonium formate
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.01% formic acid and 5mM ammonium formate

MS$FOCUSED_ION: BASE_PEAK 338.1784
MS$FOCUSED_ION: PRECURSOR_M/Z 338.1751
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: RECALIBRATE identity on assigned fragments and MS1
MS$DATA_PROCESSING: WHOLE RMassBank 1.99.10

PK$SPLASH: splash10-000i-0009000000-edd957bf788fa0da1cd5
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  338.179 C21H24NO3+ 1 338.1751 11.62
  339.1817 C20[13]CH24NO3+ 1 339.179 7.96
  340.1841 C19[13]C2H24NO3+ 1 340.1823 5.35
PK$NUM_PEAK: 3
PK$PEAK: m/z int. rel.int.
  338.179 2161492 999
  339.1817 450516 208
  340.1841 46000 21
//