MassBank Record: EQ312251



 Acemetacin; LC-ESI-QFT; MS2; CE: 15; R=35000; [M-H]- 
Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk) \n

ACCESSION: EQ312251
RECORD_TITLE: Acemetacin; LC-ESI-QFT; MS2; CE: 15; R=35000; [M-H]-
DATE: 2015.08.25
AUTHORS: Beck BDepartment of Environmental Chemistry, Eawag, Stravs MDepartment of Environmental Chemistry, Eawag, Schymanski EDepartment of Environmental Chemistry, Eawag, Singer HDepartment of Environmental Chemistry, Eawag, Department of Environmental Chemistry, Eawag
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2015 Eawag, Duebendorf, Switzerland
COMMENT: CONFIDENCE standard compound
COMMENT: EAWAG_UCHEM_ID 3122

CH$NAME: Acemetacin CH$NAME: Rantudil CH$NAME: 2-[2-[1-(4-chlorobenzoyl)-5-methoxy-2-methyl-indol-3-yl]acetyl]oxyacetic acid CH$COMPOUND_CLASS: N/A; Environmental Standard CH$FORMULA: C21H18ClNO6 CH$EXACT_MASS: 415.08227 CH$SMILES: Clc1ccc(cc1)C(=O)n3c2ccc(OC)cc2c(c3C)CC(=O)OCC(=O)O CH$IUPAC: InChI=1S/C21H18ClNO6/c1-12-16(10-20(26)29-11-19(24)25)17-9-15(28-2)7-8-18(17)23(12)21(27)13-3-5-14(22)6-4-13/h3-9H,10-11H2,1-2H3,(H,24,25) CH$LINK: CAS 53164-05-9 CH$LINK: KEGG D01582 CH$LINK: PUBCHEM CID:1981 CH$LINK: INCHIKEY FSQKKOOTNAMONP-UHFFFAOYSA-N CH$LINK: CHEMSPIDER 1904
AC$INSTRUMENT: Q Exactive Orbitrap Thermo Scientific AC$INSTRUMENT_TYPE: LC-ESI-QFT AC$MASS_SPECTROMETRY: MS_TYPE MS2 AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE AC$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$CHROMATOGRAPHY: RETENTION_TIME 12.8 min AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid
MS$FOCUSED_ION: BASE_PEAK 414.0755 MS$FOCUSED_ION: PRECURSOR_M/Z 414.075 MS$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 1.9.6
PK$SPLASH: splash10-004i-9000000000-a88b981f972b7490041c PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm) 72.9932 C2HO3- 1 72.9931 1.68 75.0088 C2H3O3- 1 75.0088 0.3 312.0798 C18H15ClNO2- 2 312.0797 0.29 PK$NUM_PEAK: 3 PK$PEAK: m/z int. rel.int. 72.9932 254109.5 3 75.0088 81223885.7 999 312.0798 3756903.2 46 //