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MassBank Record: MSBNK-BAFG-CSL2311095318

1,7-Dimethylxanthine; LC-ESI-QTOF; MS2; 70 V

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

ACCESSION: MSBNK-BAFG-CSL2311095318
RECORD_TITLE: 1,7-Dimethylxanthine; LC-ESI-QTOF; MS2; 70 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$NAME: 1,7-Dimethylxanthine
CH$COMPOUND_CLASS: Pharmaceutical; Metabolite
CH$FORMULA: C7H8N4O2
CH$EXACT_MASS: 180.0647
CH$SMILES: Cn1cnc2NC(=O)N(C)C(=O)c12
CH$IUPAC: InChI=1S/C7H8N4O2/c1-10-3-8-5-4(10)6(12)11(2)7(13)9-5/h3H,1-2H3,(H,9,13)
CH$LINK: CAS 611-59-6
CH$LINK: INCHIKEY QUNWUDVFRNGTCO-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$MASS_SPECTROMETRY: COLLISION_ENERGY 70
AC$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 5.064 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$SPLASH: splash10-00kf-9000000000-ddec0c864370b0553487
PK$NUM_PEAK: 13
PK$PEAK: m/z int. rel.int.
  42.0434 12.2 999
  53.0194 0.9 73
  53.0253 0.4 32
  54.0277 1.2 98
  54.0383 0.5 40
  55.0354 1.9 155
  56.0183 0.7 57
  58.0344 0.4 32
  67.0328 4.4 360
  69.0482 2.3 188
  77.0408 0.6 49
  94.0408 0.4 32
  109.0281 0.4 32
//

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