MassBank Record: PR100026

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Caffeine; LC-ESI-QTOF; MS2; CE:30 V; [M+H]+

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

ACCESSION: PR100026
RECORD_TITLE: Caffeine; LC-ESI-QTOF; MS2; CE:30 V; [M+H]+
DATE: 2016.01.19 (Created 2009.09.10, modified 2011.05.06)
AUTHORS: Matsuda F, Suzuki M, Sawada Y, Plant Science Center, RIKEN.
LICENSE: CC BY-SA
COMMENT: Acquisition and generation of the data is financially supported in part by CREST/JST.

CH$NAME: Caffeine
CH$NAME: 1,3,7-TRIMETHYLXANTHINE
CH$NAME: 1,3,7-Trimethyl-2,6-dioxopurine
CH$NAME: Methyltheobromine
CH$NAME: Guaranine
CH$COMPOUND_CLASS: Purine alkaloid
CH$FORMULA: C8H10N4O2
CH$EXACT_MASS: 194.0803799999999910141923464834690093994140625
CH$SMILES: Cn(c2)c(C(=O)1)c(n2)N(C)C(=O)N(C)1
CH$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: CHEMSPIDER 2424
CH$LINK: COMPTOX DTXSID0020232
CH$LINK: INCHIKEY RYYVLZVUVIJVGH-UHFFFAOYSA-N
CH$LINK: KEGG C07481
CH$LINK: KNAPSACK C00001492
CH$LINK: PUBCHEM CID:2519

AC$INSTRUMENT: UPLC Q-Tof Premier, Waters
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 30 V
AC$MASS_SPECTROMETRY: DATAFORMAT Continuum
AC$MASS_SPECTROMETRY: DATE 2008.07.24
AC$MASS_SPECTROMETRY: DESOLVATION_GAS_FLOW 600.0 L/Hr
AC$MASS_SPECTROMETRY: DESOLVATION_TEMPERATURE 420 C
AC$MASS_SPECTROMETRY: FRAGMENTATION_METHOD LOW-ENERGY CID
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: SCANNING 1.0 sec/scan (m/z = 50-1000)
AC$MASS_SPECTROMETRY: SOURCE_TEMPERATURE 120 C
AC$CHROMATOGRAPHY: CAPILLARY_VOLTAGE 3.0 kV
AC$CHROMATOGRAPHY: SAMPLING_CONE 23.0 V
AC$CHROMATOGRAPHY: SOLVENT CH3CN(0.1%HCOOH) / H2O(0.1%HCOOH)

MS$FOCUSED_ION: PRECURSOR_M/Z 195.08817
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+

PK$SPLASH: splash10-0002-0900000000-b112e4e059e1ecf98c5f
PK$NUM_PEAK: 2
PK$PEAK: m/z int. rel.int.
  138.0641 71.59 273
  195.0815 261.7 999
//