ACCESSION: MSBNK-Eawag-EQ01149755
RECORD_TITLE: 4-Hydroxybenzaldehyde; LC-ESI-QFT; MS2; CE: 75%; 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 NEGATIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 75 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 17500
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 40-144
AC$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 3.313 min

MS$FOCUSED_ION: BASE_PEAK 121.0295
MS$FOCUSED_ION: PRECURSOR_M/Z 121.0295
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$SPLASH: splash10-00di-1900000000-0c5e4c8e9df6970937e9
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  41.0033 C2HO- 1 41.0033 0.11
  65.0398 C5H5- 1 65.0397 1.2
  91.019 C6H3O- 1 91.0189 0.37
  92.0268 C6H4O- 1 92.0268 0.3
  93.0346 C6H5O- 1 93.0346 0.23
  95.0138 C5H3O2- 1 95.0139 -0.62
  108.0216 C6H4O2- 1 108.0217 -0.6
  120.0217 C7H4O2- 1 120.0217 0.18
  121.0295 C7H5O2- 1 121.0295 0.32
PK$NUM_PEAK: 9
PK$PEAK: m/z int. rel.int.
  41.0033 561992.5 3
  65.0398 477765.6 2
  91.019 4089802 24
  92.0268 23989514 145
  93.0346 7869863 47
  95.0138 710316.9 4
  108.0216 1915838.6 11
  120.0217 16118692 97
  121.0295 164449728 999
//