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MassBank Record: MSBNK-Eawag-EQ01163853

Nimesulide; LC-ESI-QFT; MS2; CE: 45%; R=17500; [M-H]-

Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk)

ACCESSION: MSBNK-Eawag-EQ01163853
RECORD_TITLE: Nimesulide; LC-ESI-QFT; MS2; CE: 45%; R=17500; [M-H]-
DATE: 2024.01.16
AUTHORS: B. Beck [dtc,com], J. Hollender [dtc]
LICENSE: CC BY-SA
COPYRIGHT: Copyright (C) Eawag 2023
COMMENT: CONFIDENCE standard compound
COMMENT: UCHEM_ID 11638

CH$NAME: Nimesulide
CH$NAME: N-(4-nitro-2-phenoxyphenyl)methanesulfonamide
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C13H12N2O5S
CH$EXACT_MASS: 308.046692484
CH$SMILES: CS(=O)(=O)NC1=C(C=C(C=C1)[N+](=O)[O-])OC2=CC=CC=C2
CH$IUPAC: InChI=1S/C13H12N2O5S/c1-21(18,19)14-12-8-7-10(15(16)17)9-13(12)20-11-5-3-2-4-6-11/h2-9,14H,1H3
CH$LINK: CHEBI 44445
CH$LINK: PUBCHEM CID:4495
CH$LINK: INCHIKEY HYWYRSMBCFDLJT-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 4339

AC$INSTRUMENT: Exploris 240 Orbitrap Thermo Scientific
AC$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$MASS_SPECTROMETRY: COLLISION_ENERGY 45 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 17500
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 50-334
AC$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 7.689 min

MS$FOCUSED_ION: BASE_PEAK 307.0393
MS$FOCUSED_ION: PRECURSOR_M/Z 307.0394
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 3.11.2

PK$SPLASH: splash10-004i-2190000000-9fb30da38bff47bbba55
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  63.9624 O2S- 1 63.9624 -0.41
  78.9859 CH3O2S- 1 78.9859 -0.11
  122.0251 C6H4NO2- 2 122.0248 2.54
  142.0668 C10H8N- 1 142.0662 4.16
  170.0609 C11H8NO- 1 170.0611 -1.41
  198.0559 C12H8NO2- 1 198.0561 -0.85
  199.0639 C12H9NO2- 1 199.0639 -0.07
  227.0461 C12H7N2O3- 1 227.0462 -0.59
  228.054 C12H8N2O3- 1 228.054 0.02
  229.0618 C12H9N2O3- 1 229.0619 -0.24
PK$NUM_PEAK: 10
PK$PEAK: m/z int. rel.int.
  63.9624 3743368.8 53
  78.9859 21469912 306
  122.0251 1790010.2 25
  142.0668 358504.5 5
  170.0609 598230.9 8
  198.0559 12478794 178
  199.0639 1439107.8 20
  227.0461 4165698 59
  228.054 25960330 370
  229.0618 69972384 999
//

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