ACCESSION: MSBNK-Eawag-EQ01149707
RECORD_TITLE: 4-Hydroxybenzaldehyde; LC-ESI-QFT; MS2; CE: 120%; R=17500; [M+H]+
DATE: 2024.05.08
AUTHORS: C. Meyer [dtc], B. Beck [dtc,com], J. Hollender [dtc]
LICENSE: CC BY-SA
COPYRIGHT: Copyright (C) Eawag 2023
PUBLICATION: Meyer, C., Stravs, M., Hollender, J.. How Wastewater Reflects Human Metabolism - Suspect Screening of Pharmaceutical Metabolites in Wastewater Influent. doi:10.1021/acs.est.4c00968
COMMENT: CONFIDENCE standard compound
COMMENT: UCHEM_ID 11497

CH$NAME: 4-Hydroxybenzaldehyde
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₇H₆O₂
CH$EXACT_MASS: 122.0367794
CH$SMILES: C1=CC(=CC=C1C=O)O
CH$IUPAC: InChI=1S/C7H6O2/c8-5-6-1-3-7(9)4-2-6/h1-5,9H
CH$LINK: CHEBI 17597
CH$LINK: PUBCHEM CID:126
CH$LINK: INCHIKEY RGHHSNMVTDWUBI-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 123

AC$INSTRUMENT: Exploris 240 Orbitrap Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-QFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 120 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 17500
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 40-147
AC$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 3.323 min

MS$FOCUSED_ION: BASE_PEAK 132.9582
MS$FOCUSED_ION: PRECURSOR_M/Z 123.0441
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 3.15.1

PK$SPLASH: splash10-004j-9000000000-84f9a85f7e7d9eda092b
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  41.0385 C3H5+ 1 41.0386 -0.95
  51.0229 C4H3+ 1 51.0229 -1.01
  53.0385 C4H5+ 1 53.0386 -0.79
  55.0178 C3H3O+ 1 55.0178 -0.9
  65.0385 C5H5+ 1 65.0386 -1.28
  66.0464 C5H6+ 1 66.0464 -0.48
  67.0542 C5H7+ 1 67.0542 -0.41
  77.0385 C6H5+ 1 77.0386 -0.82
  81.0334 C5H5O+ 1 81.0335 -0.86
  94.0413 C6H6O+ 1 94.0413 0.18
  95.0491 C6H7O+ 1 95.0491 -0.93
PK$NUM_PEAK: 11
PK$PEAK: m/z int. rel.int.
  41.0385 488537.7 43
  51.0229 3658034.2 322
  53.0385 1657107.6 146
  55.0178 611738.2 54
  65.0385 857088.8 75
  66.0464 49227.4 4
  67.0542 1265235 111
  77.0385 11315185 999
  81.0334 98664.5 8
  94.0413 404553.6 35
  95.0491 6922617.5 611
//