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MassBank Record: MSBNK-BAFG-CSL2311107314

3,7-Dimethylxanthine; LC-ESI-QTOF; MS2; 40 V

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

ACCESSION: MSBNK-BAFG-CSL2311107314
RECORD_TITLE: 3,7-Dimethylxanthine; LC-ESI-QTOF; MS2; 40 V
DATE: 2023.11.10
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 POSITIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 40
AC$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$FOCUSED_ION: PRECURSOR_M/Z 181.072
MS$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$SPLASH: splash10-02a9-2900000000-b2d675a3f7822b1c3d88
PK$NUM_PEAK: 14
PK$PEAK: m/z int. rel.int.
  67.0316 1.7 707
  68.0416 0.5 208
  69.0468 0.8 333
  83.0612 0.8 333
  108.0553 0.9 374
  109.0395 0.5 208
  110.0713 1.6 666
  122.0558 0.6 249
  123.0439 0.8 333
  135.0639 0.6 249
  137.0808 0.8 333
  138.065 2.4 999
  163.06 1.4 582
  181.0693 1.9 790
//

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