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MassBank Record: MSBNK-CASMI_2016-SM858951

Acetyl-sulfamethoxazole; LC-ESI-QFT; MS2; CE: 35 NCE; R=35000; [M-H]-

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

ACCESSION: MSBNK-CASMI_2016-SM858951
RECORD_TITLE: Acetyl-sulfamethoxazole; LC-ESI-QFT; MS2; CE: 35 NCE; R=35000; [M-H]-
DATE: 2019.11.20 (Created 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, E. L.; Ruttkies, C.; Krauss, M.; Brouard, C.; Kind, T.; Dührkop, K.; Allen, F.; Vaniya, A.; Verdegem, D.; Böcker, S.; et al. Critical Assessment of Small Molecule Identification 2016: Automated Methods. Journal of Cheminformatics 2017, 9 (1). DOI:10.1186/s13321-017-0207-1
COMMENT: CONFIDENCE standard compound
COMMENT: INTERNAL_ID 8589

CH$NAME: Acetyl-sulfamethoxazole
CH$NAME: N-[4-[(5-methyl-1,2-oxazol-3-yl)sulfamoyl]phenyl]acetamide
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C12H13N3O4S
CH$EXACT_MASS: 295.06268
CH$SMILES: Cc1cc(no1)NS(=O)(=O)c2ccc(cc2)/N=C(\C)/O
CH$IUPAC: InChI=1S/C12H13N3O4S/c1-8-7-12(14-19-8)15-20(17,18)11-5-3-10(4-6-11)13-9(2)16/h3-7H,1-2H3,(H,13,16)(H,14,15)
CH$LINK: CAS 21312-10-7
CH$LINK: CHEBI 31169
CH$LINK: KEGG D01601
CH$LINK: PUBCHEM CID:65280
CH$LINK: INCHIKEY GXPIUNZCALHVBA-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 58771
CH$LINK: COMPTOX DTXSID8049044

AC$INSTRUMENT: Q Exactive Plus Orbitrap Thermo Scientific
AC$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$MASS_SPECTROMETRY: COLLISION_ENERGY 35 (nominal)
AC$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 7.722 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 294.0554
MS$FOCUSED_ION: PRECURSOR_M/Z 294.0554
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$SPLASH: splash10-000t-0910000000-3576ca5ec77ab87354ec
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  134.061 C8H8NO- 2 134.0611 -0.89
  150.0561 C8H8NO2- 2 150.0561 0.13
  178.0509 C9H8NO3- 1 178.051 -0.15
  198.0231 C8H8NO3S- 1 198.023 0.13
  294.0555 C12H12N3O4S- 1 294.0554 0.37
PK$NUM_PEAK: 5
PK$PEAK: m/z int. rel.int.
  134.061 5009006 547
  150.0561 454003.3 49
  178.0509 110618.5 12
  198.0231 9133736 999
  294.0555 3260593.8 356
//

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