ACCESSION: MSBNK-BAFG-CSL2311091831
RECORD_TITLE: Ibuprofen carboxy acid; LC-ESI-QTOF; MS2; 70 V
DATE: 2023.11.09
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$NAME: Ibuprofen carboxy acid
CH$COMPOUND_CLASS: Pharmaceutical; Transformation_product
CH$FORMULA: C₁₃H₁₆O₄
CH$EXACT_MASS: 236.1049
CH$SMILES: O=C(O)C(c1ccc(cc1)CC(C(=O)O)C)C
CH$IUPAC: InChI=1S/C13H16O4/c1-8(12(14)15)7-10-3-5-11(6-4-10)9(2)13(16)17/h3-6,8-9H,7H2,1-2H3,(H,14,15)(H,16,17)
CH$LINK: CAS 15935-54-3
CH$LINK: INCHIKEY DIVLBIVDYADZPL-UHFFFAOYSA-N

AC$INSTRUMENT: TripleTOF 5600 SCIEX
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
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 8.483 min
AC$CHROMATOGRAPHY: SOLVENT A: Water 0.1% Formic acid, B: Acetonitrile 0.1% Formic acid

MS$FOCUSED_ION: PRECURSOR_M/Z 235.0976
MS$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$SPLASH: splash10-05fr-9000000000-818742f3a06c5e77d5e7
PK$NUM_PEAK: 3
PK$PEAK: m/z int. rel.int.
  55.0209 2.6 895
  55.0453 0.2 68
  73.0311 2.9 999
//