MassBank Record: EA020863



 Mefenamic acid; LC-ESI-ITFT; MS2; CE: 90%; R=30000; [M-H]- 
Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk) \n

ACCESSION: EA020863
RECORD_TITLE: Mefenamic acid; LC-ESI-ITFT; MS2; CE: 90%; R=30000; [M-H]-
DATE: 2014.01.14
AUTHORS: Stravs M, Schymanski E, Singer H, Department of Environmental Chemistry, Eawag
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2012 Eawag, Duebendorf, Switzerland
COMMENT: CONFIDENCE standard compound
COMMENT: EAWAG_UCHEM_ID 208

CH$NAME: Mefenamic acid CH$NAME: 2-(2,3-dimethylanilino)benzoic acid CH$COMPOUND_CLASS: N/A; Environmental Standard CH$FORMULA: C15H15N1O2 CH$EXACT_MASS: 241.1103 CH$SMILES: c1(c(cccc1)C(O)=O)Nc1c(c(ccc1)C)C 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$LINK: KEGG C02168 CH$LINK: PUBCHEM CID:4044 CH$LINK: INCHIKEY HYYBABOKPJLUIN-UHFFFAOYSA-N CH$LINK: CHEMSPIDER 3904
AC$INSTRUMENT: LTQ Orbitrap XL Thermo Scientific AC$INSTRUMENT_TYPE: LC-ESI-ITFT AC$MASS_SPECTROMETRY: MS_TYPE MS2 AC$MASS_SPECTROMETRY: IONIZATION ESI AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD AC$MASS_SPECTROMETRY: COLLISION_ENERGY 90 % (nominal) AC$MASS_SPECTROMETRY: RESOLUTION 30000 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 14.6 min AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid
MS$FOCUSED_ION: BASE_PEAK 240.1032 MS$FOCUSED_ION: PRECURSOR_M/Z 240.103 MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]- MS$DATA_PROCESSING: DEPROFILE Spline MS$DATA_PROCESSING: RECALIBRATE loess on assigned fragments and MS1 MS$DATA_PROCESSING: REANALYZE Peaks with additional N2/O included MS$DATA_PROCESSING: WHOLE RMassBank 1.3.1
PK$SPLASH: splash10-0006-1900000000-e53da7b0c2cd925ff45f PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm) 92.0504 C6H6N- 1 92.0506 -1.66 179.0865 C14H11- 1 179.0866 -0.64 180.0816 C13H10N- 1 180.0819 -1.24 192.081 C14H10N- 1 192.0819 -4.54 194.0978 C14H12N- 1 194.0975 1.63 196.1128 C14H14N- 1 196.1132 -1.7 PK$NUM_PEAK: 6 PK$PEAK: m/z int. rel.int. 92.0504 8449.4 724 179.0865 5621 482 180.0816 11403.6 978 192.081 9562.7 820 194.0978 11646.7 999 196.1128 11028.1 945 //