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MassBank Record: MSBNK-BAFG-CSL2311094671

Caffeine; LC-ESI-QTOF; MS2; 50 V

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

ACCESSION: MSBNK-BAFG-CSL2311094671
RECORD_TITLE: Caffeine; LC-ESI-QTOF; MS2; 50 V
DATE: 2023.11.09
AUTHORS: Kevin S. Jewell; Björn Ehlig; Arne Wick
LICENSE: dl-de/by-2-0
COPYRIGHT: Copyright 2023 Federal Institute of Hydrology, Koblenz, Germany
COMMENT: CONFIDENCE Reference Standard (Level 1)
COMMENT: Chromatography method: dx.doi.org/10.1016/j.chroma.2015.11.014
COMMENT: Acquisition method: 10.1002/rcm.8541

CH$NAME: Caffeine
CH$COMPOUND_CLASS: Food_additive; Natural_product; Personal_care_product
CH$FORMULA: C8H10N4O2
CH$EXACT_MASS: 194.0804
CH$SMILES: Cn1cnc2N(C)C(=O)N(C)C(=O)c12
CH$IUPAC: InChI=1S/C8H10N4O2/c1-10-4-9-6-5(10)7(13)12(3)8(14)11(6)2/h4H,1-3H3
CH$LINK: CAS 58-08-2
CH$LINK: INCHIKEY RYYVLZVUVIJVGH-UHFFFAOYSA-N

AC$INSTRUMENT: TripleTOF 5600 SCIEX
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 50
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$CHROMATOGRAPHY: COLUMN_NAME Zorbax Eclipse Plus C18 2.1 mm x 150 mm, 3.5 um, Agilent
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 40 °C
AC$CHROMATOGRAPHY: FLOW_GRADIENT 0 min min 98% A, 1 min 98% A, 2 min 80% A, 16.5 min 2% A, 22 min 2% A, 22.1 min 98% A, 27 min 98% A
AC$CHROMATOGRAPHY: FLOW_RATE 0.3 mL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 5.509 min
AC$CHROMATOGRAPHY: SOLVENT A: Water 0.1% Formic acid, B: Acetonitrile 0.1% Formic acid

MS$FOCUSED_ION: PRECURSOR_M/Z 195.0877
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: COMMENT Export with Spectra 1.9.12 MsBackendMassbank 1.7.4
MS$DATA_PROCESSING: WHOLE RMassBank 2.3.1

PK$SPLASH: splash10-00ec-9700000000-caf8dcb4e6bc7fa98ff1
PK$NUM_PEAK: 19
PK$PEAK: m/z int. rel.int.
  42.0448 9 768
  53.0195 0.4 34
  53.0255 0.5 42
  56.055 1.5 128
  67.0339 0.6 51
  68.0418 2.1 179
  68.0516 0.5 42
  69.0488 2.1 179
  81.0506 1.8 153
  82.0538 0.8 68
  83.0637 4.5 384
  94.0426 0.4 34
  108.0583 1 85
  109.0393 1.2 102
  110.0717 3.9 333
  123.043 11.7 999
  135.0668 0.7 59
  138.0654 2.1 179
  138.079 0.6 51
//

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