ACCESSION: MSBNK-BAFG-CSL2311108763
RECORD_TITLE: O-desmethyl-naproxen; LC-ESI-QTOF; MS2; 70 V
DATE: 2023.11.10
AUTHORS: Kevin S. Jewell; Björn Ehlig; Arne Wick
LICENSE: dl-de/by-2-0
COPYRIGHT: Copyright 2023 Federal Institute of Hydrology, Koblenz, Germany
COMMENT: CONFIDENCE Reference Standard (Level 1)
COMMENT: Chromatography method: dx.doi.org/10.1016/j.chroma.2015.11.014
COMMENT: Acquisition method: 10.1002/rcm.8541

CH$NAME: O-desmethyl-naproxen
CH$COMPOUND_CLASS: Metabolite; Pharmaceutical; Transformation_product
CH$FORMULA: C₁₃H₁₂O₃
CH$EXACT_MASS: 216.0786
CH$SMILES: CC(C1=CC2=C(C=C1)C=C(C=C2)O)C(=O)O
CH$IUPAC: InChI=1S/C13H12O3/c1-8(13(15)16)9-2-3-11-7-12(14)5-4-10(11)6-9/h2-8,14H,1H3,(H,15,16)
CH$LINK: CAS 52079-10-4
CH$LINK: INCHIKEY XWJUDDGELKXYNO-UHFFFAOYSA-N

AC$INSTRUMENT: TripleTOF 5600 SCIEX
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 70
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$CHROMATOGRAPHY: COLUMN_NAME Zorbax Eclipse Plus C18 2.1 mm x 150 mm, 3.5 um, Agilent
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 40 °C
AC$CHROMATOGRAPHY: FLOW_GRADIENT 0 min min 98% A, 1 min 98% A, 2 min 80% A, 16.5 min 2% A, 22 min 2% A, 22.1 min 98% A, 27 min 98% A
AC$CHROMATOGRAPHY: FLOW_RATE 0.3 mL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 8.5 min
AC$CHROMATOGRAPHY: SOLVENT A: Water 0.1% Formic acid, B: Acetonitrile 0.1% Formic acid

MS$FOCUSED_ION: PRECURSOR_M/Z 217.0859
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: COMMENT Export with Spectra 1.9.12 MsBackendMassbank 1.7.4
MS$DATA_PROCESSING: WHOLE RMassBank 2.3.1

PK$SPLASH: splash10-0gdi-0900000000-e4a8a58da556743f72e5
PK$NUM_PEAK: 16
PK$PEAK: m/z int. rel.int.
  65.0443 0.6 52
  77.0442 1.5 130
  89.0404 1.5 130
  102.0483 1.4 121
  114.0502 0.5 43
  115.0543 11.5 999
  116.0634 1.4 121
  126.0463 1.3 112
  127.056 3.2 277
  128.0627 5.5 477
  131.0511 0.5 43
  141.0704 1.5 130
  144.0575 1.5 130
  150.0495 1 86
  151.0535 2.4 208
  152.061 5.8 503
//