ACCESSION: MSBNK-Athens_Univ-AU505007
RECORD_TITLE: Methyl 4-hydroxybenzoate; GC-APCI-QTOF; MS2; CE: 20 eV; R=35000; [M]+
DATE: 2021.04.20
AUTHORS: Chrysoula Kanakaki, Nikiforos Alygizakis, Nikolaos Thomaidis, University of Athens
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2021 Department of Chemistry, University of Athens
COMMENT: CONFIDENCE standard compound
COMMENT: INTERNAL_ID 5050

CH$NAME: Methyl 4-hydroxybenzoate
CH$COMPOUND_CLASS: N/A; Food Contact Material
CH$FORMULA: C₈H₈O₃
CH$EXACT_MASS: 152.0473
CH$SMILES: COC(=O)C1=CC=C(C=C1)O
CH$IUPAC: InChI=1S/C8H8O3/c1-11-8(10)6-2-4-7(9)5-3-6/h2-5,9H,1H3
CH$LINK: CAS 99-76-3
CH$LINK: CHEBI 31835
CH$LINK: KEGG D01400
CH$LINK: PUBCHEM CID:7456
CH$LINK: INCHIKEY LXCFILQKKLGQFO-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 7176

AC$INSTRUMENT: Bruker 450 GC coupled to maXis Impact
AC$INSTRUMENT_TYPE: GC-APCI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION APCI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 20 eV
AC$MASS_SPECTROMETRY: RESOLUTION 35000
AC$CHROMATOGRAPHY: COLUMN_NAME Rxi-5Sil MS column, 30m, 0.25mm i.d., 0.25µm film thickness, Restek
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE_GRADIENT 55oC at 0 min, 55oC at 3 min, 180oC at 11.33 min with 15oC/min, 280oC at 26.72 min with 6.5oC/min, 280oC at 31.72 min, 300oC at 33.72 min with 10oC/min, 300oC at 39 min
AC$CHROMATOGRAPHY: FLOW_RATE 1.5 mL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 12.170 min
AC$CHROMATOGRAPHY: SOLVENT A Helium

MS$FOCUSED_ION: BASE_PEAK 153.0526
MS$FOCUSED_ION: PRECURSOR_M/Z 152.0468
MS$FOCUSED_ION: PRECURSOR_TYPE [M]+
MS$DATA_PROCESSING: RECALIBRATE identity on assigned fragments and MS1
MS$DATA_PROCESSING: WHOLE RMassBank 2.16.0

PK$SPLASH: splash10-00di-0900000000-fa7aa019cfef655ecf9e
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  111.0433 C6H7O2+ 1 111.0441 -6.72
  121.0278 C7H5O2+ 1 121.0284 -5.26
  135.0459 C8H7O2+ 1 135.0441 13.99
  151.0394 C8H7O3+ 1 151.039 2.92
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  111.0433 204 14
  121.0278 13656 999
  135.0459 160 11
  151.0394 732 53
//