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3-Isobutyl-1-methylxanthine
SpectraBase Compound ID 6Z3taMePoDU
InChI InChI=1S/C10H14N4O2/c1-6(2)4-14-8-7(11-5-12-8)9(15)13(3)10(14)16/h5-6H,4H2,1-3H3,(H,11,12)
InChIKey APIXJSLKIYYUKG-UHFFFAOYSA-N
Mol Weight 222.25 g/mol
Molecular Formula C10H14N4O2
Exact Mass 222.111676 g/mol

Mass Spectrum (LC)

Mass Spectrum (LC)

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SpectraBase Spectrum ID Iv11UAC1Mcm
Name 1-Methyl-3-isobutylxanthine
CAS Registry Number 28822-58-4
Collision Energy 20 eV
Copyright Copyright © 2012-2025 Herbert Oberacher. All Rights Reserved.
Exact Mass 222.111675705 u
Formula C10H14N4O2
InChI InChI=1S/C10H14N4O2/c1-6(2)4-14-8-7(11-5-12-8)9(15)13(3)10(14)16/h5-6H,4H2,1-3H3,(H,11,12)
InChIKey APIXJSLKIYYUKG-UHFFFAOYSA-N
Instrument Name QStar XL, AB Sciex
Ion Polarity P
Ionization Type ESI+
Molecular Weight 222.248 g/mol
Nominal Mass 222 u
Precursor Ion [M+H]+
Precursor m/z 223.119
SMILES N1C=NC2=C1C(N(C(N2CC(C)C)=O)C)=O
Selected Ion Charge 1
Source of Spectrum Herbert Oberacher, Institute of Legal Medicine, Innsbruck/Austria
Spectrum Type ms2
Synonyms 1-methyl-3-(2-methylpropyl)-7H-purine-2,6-dione
Technique Q-TOF
Wiley ID MSforID_+_441.3