MassBank Record: SM857053



 Mefenamic acid; LC-ESI-QFT; MS2; CE: 35 NCE; R=35000; [M-H]- 
Mass Spectrum
Chemical Structure


ACCESSION: SM857053
RECORD_TITLE: Mefenamic acid; LC-ESI-QFT; MS2; CE: 35 NCE; R=35000; [M-H]-
DATE: 2016.12.12
AUTHORS: Krauss M, Schymanski EL, Weidauer C, Schupke H, UFZ and Eawag
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2016 UFZ/Eawag
PUBLICATION: Schymanski, EL et al. Critical Assessment of Small Molecule Identification 2016 - Automated Methods. Submitted.
COMMENT: CONFIDENCE standard compound
COMMENT: INTERNAL_ID 8570

CH$NAME: Mefenamic acid CH$NAME: 2-(2,3-dimethylanilino)benzoic acid CH$COMPOUND_CLASS: N/A; Environmental Standard CH$FORMULA: C15H15NO2 CH$EXACT_MASS: 241.11028 CH$SMILES: Cc1cccc(Nc2ccccc2C(O)=O)c1C CH$IUPAC: InChI=1S/C15H15NO2/c1-10-6-5-9-13(11(10)2)16-14-8-4-3-7-12(14)15(17)18/h3-9,16H,1-2H3,(H,17,18) CH$LINK: CAS 61-68-7 CH$LINK: CHEBI 6717 CH$LINK: KEGG C02168 CH$LINK: PUBCHEM CID:4044 CH$LINK: INCHIKEY HYYBABOKPJLUIN-UHFFFAOYSA-N CH$LINK: CHEMSPIDER 3904
AC$INSTRUMENT: Q Exactive Plus Orbitrap Thermo Scientific AC$INSTRUMENT_TYPE: LC-ESI-QFT AC$MASS_SPECTROMETRY: MS_TYPE MS2 AC$MASS_SPECTROMETRY: IONIZATION ESI AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD AC$MASS_SPECTROMETRY: COLLISION_ENERGY 35 (nominal) AC$MASS_SPECTROMETRY: RESOLUTION 35000 AC$CHROMATOGRAPHY: COLUMN_NAME Kinetex C18 EVO 2.6 um, 2.1x50 mm, precolumn 2.1x5 mm, Phenomenex AC$CHROMATOGRAPHY: FLOW_GRADIENT 95/5 at 0 min, 95/5 at 1 min, 0/100 at 13 min, 0/100 at 24 min AC$CHROMATOGRAPHY: FLOW_RATE 300 uL/min AC$CHROMATOGRAPHY: RETENTION_TIME 12.922 min AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid
MS$FOCUSED_ION: BASE_PEAK 240.1029 MS$FOCUSED_ION: PRECURSOR_M/Z 240.103 MS$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$DATA_PROCESSING: WHOLE RMassBank 2.3.1
PK$SPLASH: splash10-0005-0940000000-4113d0740f35e76f2ef6 PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm) 179.0865 C14H11- 1 179.0866 -0.94 180.0818 C13H10N- 1 180.0819 -0.44 192.0818 C14H10N- 1 192.0819 -0.18 194.0974 C14H12N- 1 194.0975 -0.41 196.1131 C14H14N- 1 196.1132 -0.33 240.1029 C15H14NO2- 1 240.103 -0.36 PK$NUM_PEAK: 6 PK$PEAK: m/z int. rel.int. 179.0865 193611.5 12 180.0818 440750.6 29 192.0818 449694.2 30 194.0974 319494.8 21 196.1131 14886420 999 240.1029 8074073.5 541 //