MassBank Record: EA020760



 Indomethacin; LC-ESI-ITFT; MS2; CE: 45%; R=15000; [M-H]- 
Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk) \n

ACCESSION: EA020760
RECORD_TITLE: Indomethacin; LC-ESI-ITFT; MS2; CE: 45%; R=15000; [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 207

CH$NAME: Indomethacin CH$NAME: 2-[1-(4-chlorobenzoyl)-5-methoxy-2-methyl-indol-3-yl]acetic acid CH$COMPOUND_CLASS: N/A; Environmental Standard CH$FORMULA: C19H16ClNO4 CH$EXACT_MASS: 357.0768 CH$SMILES: COC1=CC2=C(C=C1)N(C(=O)C3=CC=C(Cl)C=C3)C(C)=C2CC(O)=O CH$IUPAC: InChI=1S/C19H16ClNO4/c1-11-15(10-18(22)23)16-9-14(25-2)7-8-17(16)21(11)19(24)12-3-5-13(20)6-4-12/h3-9H,10H2,1-2H3,(H,22,23) CH$LINK: CAS 53-86-1 CH$LINK: CHEBI 49662 CH$LINK: KEGG C01926 CH$LINK: PUBCHEM CID:3715 CH$LINK: INCHIKEY CGIGDMFJXJATDK-UHFFFAOYSA-N CH$LINK: CHEMSPIDER 3584
AC$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 45 % (nominal) AC$MASS_SPECTROMETRY: RESOLUTION 15000 AC$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 356.0687 MS$FOCUSED_ION: PRECURSOR_M/Z 356.0695 MS$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$SPLASH: splash10-0a4j-0973000000-6e9ac766080e35c8b297 PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm) 158.061 C10H8NO- 1 158.0611 -1.12 297.0568 C17H12ClNO2- 1 297.0562 2.07 312.0773 C19H10N3O2- 1 312.0779 -1.67 PK$NUM_PEAK: 3 PK$PEAK: m/z int. rel.int. 158.061 7454.9 999 297.0568 6309 845 312.0773 2618.4 350 //