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MassBank Record: LU123801

MEHP; LC-ESI-QFT; MS2; CE: 15; R=17500; [M+H]+

Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk)

ACCESSION: LU123801
RECORD_TITLE: MEHP; LC-ESI-QFT; MS2; CE: 15; R=17500; [M+H]+
DATE: 2020.08.19
AUTHORS: Kondić, T.;Singh, R.;Elapavalore, A.;Schymanski, E.
LICENSE: CC0
COPYRIGHT: Copyright © 2019 by Environmental Cheminformatics, LCSB, University of Luxembourg, Luxembourg
COMMENT: CONFIDENCE standard compound
COMMENT: INTERNAL_ID 1238
COMMENT: DATASET 20200303_ENTACT_RP_MIX504
COMMENT: DATA_PROCESSING MERGING RMBmix ver. 0.2.7
COMMENT: DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0
COMMENT: ORIGINAL_ACQUISITION_NO 9960
COMMENT: ORIGINAL_PRECURSOR_SCAN_NO 9957

CH$NAME: MEHP
CH$NAME: 2-(((2-Ethylhexyl)oxy)carbonyl)benzoic acid
CH$NAME: 2-(2-ethylhexoxycarbonyl)benzoic acid
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C16H22O4
CH$EXACT_MASS: 278.1518
CH$SMILES: CCCCC(CC)COC(=O)C1=CC=CC=C1C(O)=O
CH$IUPAC: InChI=1S/C16H22O4/c1-3-5-8-12(4-2)11-20-16(19)14-10-7-6-9-13(14)15(17)18/h6-7,9-10,12H,3-5,8,11H2,1-2H3,(H,17,18)
CH$LINK: CAS 4376-20-9
CH$LINK: CHEBI 17243
CH$LINK: KEGG C03343
CH$LINK: PUBCHEM CID:20393
CH$LINK: INCHIKEY DJDSLBVSSOQSLW-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 19208

AC$INSTRUMENT: Q Exactive Orbitrap (Thermo Scientific)
AC$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$MASS_SPECTROMETRY: COLLISION_ENERGY 15
AC$MASS_SPECTROMETRY: RESOLUTION 17500
AC$CHROMATOGRAPHY: COLUMN_NAME Acquity BEH C18 1.7um, 2.1x150mm (Waters)
AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0-2 min, 0/100 at 15-20 min, 90/10 at 20.1-30 min
AC$CHROMATOGRAPHY: FLOW_RATE 0.20 mL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 19.072 min
AC$CHROMATOGRAPHY: SOLVENT A 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol

MS$FOCUSED_ION: BASE_PEAK 79.0212
MS$FOCUSED_ION: PRECURSOR_M/Z 279.1591
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$FOCUSED_ION: PRECURSOR_INTENSITY 2146678.5
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 2.99.2

PK$SPLASH: splash10-006t-0960000000-bace63e54682391af671
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  149.0234 C8H5O3+ 1 149.0233 0.22
  223.0753 C15H11O2+ 1 223.0754 -0.44
PK$NUM_PEAK: 2
PK$PEAK: m/z int. rel.int.
  149.0234 4313.8 999
  223.0753 3241.6 750
//

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