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MassBank Record: MSBNK-BAFG-CSL2311092623

3,7-Dimethylxanthine; LC-ESI-QTOF; MS2; 50 V

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

ACCESSION: MSBNK-BAFG-CSL2311092623
RECORD_TITLE: 3,7-Dimethylxanthine; 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$NAME: 3,7-Dimethylxanthine
CH$COMPOUND_CLASS: Pharmaceutical; Natural_product
CH$FORMULA: C7H8N4O2
CH$EXACT_MASS: 180.0647
CH$SMILES: Cn1cnc2N(C)C(=O)NC(=O)c12
CH$IUPAC: InChI=1S/C7H8N4O2/c1-10-3-8-5-4(10)6(12)9-7(13)11(5)2/h3H,1-2H3,(H,9,12,13)
CH$LINK: CAS 83-67-0
CH$LINK: INCHIKEY YAPQBXQYLJRXSA-UHFFFAOYSA-N

AC$INSTRUMENT: TripleTOF 5600 SCIEX
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
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 5.242 min
AC$CHROMATOGRAPHY: SOLVENT A: Water 0.1% Formic acid, B: Acetonitrile 0.1% Formic acid

MS$FOCUSED_ION: PRECURSOR_M/Z 179.0574
MS$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$SPLASH: splash10-0002-9200000000-11668d3d25c124e3f73d
PK$NUM_PEAK: 13
PK$PEAK: m/z int. rel.int.
  45.0002 7.1 999
  45.0192 0.7 98
  47.0112 1.2 168
  65.998 2.5 351
  79.0179 2.2 309
  90.9975 1.6 225
  92.0267 0.7 98
  94.0409 1.3 182
  107.0116 1.5 211
  122.0356 0.7 98
  135.0079 0.6 84
  135.0299 1.5 211
  164.0348 0.8 112
//

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