ACCESSION: MSBNK-Antwerp_Univ-AN115827
RECORD_TITLE: Mono(2-ethyl-5-carboxypentyl) terephthalate; LC-ESI-QTOF; MS2; CE: 15eV; R=7000; [M-H]-
DATE: 2021.08.06
AUTHORS: Belova L, Covaci A, University of Antwerp, Belgium; Caballero-Casero N, University of Cordoba, Spain.
LICENSE: CC BY
COPYRIGHT: Copyright (c) 2021 by Toxicological Center, University of Antwerp, Wilrijk, Belgium
COMMENT: CONFIDENCE Reference Standard (Level 1)
COMMENT: INTERNAL_ID 1158
COMMENT: HBM4EU - science and policy for a healthy future (https://www.hbm4eu.eu)

CH$NAME: Mono(2-ethyl-5-carboxypentyl) terephthalate
CH$NAME: Mono-2-ethyl-5-carboxypentyl terephthalate
CH$NAME: 4-(5-carboxy-2-ethylpentoxy)carbonylbenzoic acid
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₁₆H₂₀O₆
CH$EXACT_MASS: 308.1260
CH$SMILES: CCC(CCCC(=O)O)COC(=O)C1=CC=C(C=C1)C(=O)O
CH$IUPAC: InChI=1S/C16H20O6/c1-2-11(4-3-5-14(17)18)10-22-16(21)13-8-6-12(7-9-13)15(19)20/h6-9,11H,2-5,10H2,1H3,(H,17,18)(H,19,20)
CH$LINK: CHEBI 165207
CH$LINK: PUBCHEM CID:145459123
CH$LINK: INCHIKEY BIQPFHSSQDGFTK-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 95761302

AC$INSTRUMENT: Agilent 6560 QTOF
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 15 eV
AC$MASS_SPECTROMETRY: RESOLUTION 7000
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 54-1483
AC$CHROMATOGRAPHY: COLUMN_NAME ZORBAX Extend-C18 3.5um, 2.1x50mm, Agilent Technologies
AC$CHROMATOGRAPHY: FLOW_GRADIENT 80/20 at 0 min, 80/20 at 0.5 min, 5/95 at 6 min, 5/95 at 7 min, 80/20 at 7.1 min, 80/20 at 10 min
AC$CHROMATOGRAPHY: FLOW_RATE 350 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 0.792 min

MS$FOCUSED_ION: BASE_PEAK 955.9729
MS$FOCUSED_ION: PRECURSOR_M/Z 307.1187
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$FOCUSED_ION: PRECURSOR_INTENSITY 15663.21
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 3.1.1

PK$SPLASH: splash10-00xr-0900000000-8d5e5899a1cb229934c4
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  77.0404 C6H5- 1 77.0397 9.18
  121.0292 C7H5O2- 1 121.0295 -2.37
  165.0196 C8H5O4- 1 165.0193 1.5
PK$NUM_PEAK: 3
PK$PEAK: m/z int. rel.int.
  77.0404 868.4 133
  121.0292 6518.1 999
  165.0196 5196.1 796
//