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MassBank Record: BML00722

Caffeic acid; LC-ESI-QTOF; MS2; CE 10 ev; [M-H]-

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

ACCESSION: BML00722
RECORD_TITLE: Caffeic acid; LC-ESI-QTOF; MS2; CE 10 ev; [M-H]-
DATE: 2016.01.19 (Created 2012.10.26)
AUTHORS: Cuthbertson DJ, Johnson SR, Lange BM, Institute of Biological Chemistry, Washington State University
LICENSE: CC BY-SA
COMMENT: relative retention time with respect to 9-anthracene Carboxylic Acid is 0.403

CH$NAME: Caffeic acid
CH$COMPOUND_CLASS: N/A
CH$FORMULA: C9H8O4
CH$EXACT_MASS: 180.042259
CH$SMILES: C1=CC(=C(C=C1C=CC(=O)O)O)O
CH$IUPAC: InChI=1S/C9H8O4/c10-7-3-1-6(5-8(7)11)2-4-9(12)13/h1-5,10-11H,(H,12,13)
CH$LINK: CAS 331-39-5
CH$LINK: CHEMSPIDER 2423
CH$LINK: PUBCHEM CID:2518
CH$LINK: INCHIKEY QAIPRVGONGVQAS-UHFFFAOYSA-N
CH$LINK: COMPTOX DTXSID5020231

AC$INSTRUMENT: Agilent 1200 RRLC; Agilent 6520 QTOF
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 10 ev
AC$MASS_SPECTROMETRY: COLLISION_GAS N2
AC$MASS_SPECTROMETRY: SCANNING m/z 100-1000
AC$CHROMATOGRAPHY: COLUMN_NAME Agilent C8 Cartridge Column 2.1X30mm 3.5 micron (guard); Agilent SB-Aq 2.1x50mm 1.8 micron (analytical)
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 60 C
AC$CHROMATOGRAPHY: FLOW_GRADIENT linear from 98A/2B at 0 min to 2A/98B at 13 min, hold 6 min at 2A/98B, reequilibration 98A/2B (5 min)
AC$CHROMATOGRAPHY: FLOW_RATE 0.6 ml/min
AC$CHROMATOGRAPHY: RETENTION_TIME 2.971
AC$CHROMATOGRAPHY: SOLVENT A water with 0.2% acetic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.2% acetic acid

MS$FOCUSED_ION: BASE_PEAK 135
MS$FOCUSED_ION: PRECURSOR_M/Z 179.0350
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-

PK$SPLASH: splash10-000i-0900000000-4fd9d381accd710bf793
PK$NUM_PEAK: 9
PK$PEAK: m/z int. rel.int.
  107.05 76 13
  134.0337 155 26
  134.0408 65 11
  135.0449 5981 999
  135.0804 172 29
  135.1216 51 9
  135.1531 78 13
  135.4627 37 6
  179.0348 2976 497
//

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