ACCESSION: MSBNK-HBM4EU-HB002540
RECORD_TITLE: Etofylline; LC-ESI-QTOF; MS2; CE: 10 eV; R=3600; [M+H]+
DATE: 2020.02.20
AUTHORS: Noelia Caballero-Casero, Adrian Covaci, Toxicological Center, University of Antwerp, Wilrijk, Belgium
LICENSE: CC0
COPYRIGHT: Copyright (c) by Toxicological Center, University of Antwerp, Wilrijk, Belgium
PUBLICATION: Oberacher H, Sasse M, Antignac J-P, Guitton Y, Debrauwer L, Jamin E L, Schulze T, Krauss M, Covaci A, Caballero-Casero N, Rosseau K, Damont A, Fenaille F, Lamoree M, Schymanski E, A European proposal for quality control and quality assurance of tandem mass spectral libraries, Environmental Sciences Europe, https://doi.org/10.1186/s12302-020-00314-9
COMMENT: CONFIDENCE Reference Standard (Level 1)
COMMENT: HBM4EU - science and policy for a healthy future (https://www.hbm4eu.eu)
COMMENT: Flow Injection

CH$NAME: Etofylline
CH$NAME: 7-(2-Hydroxyethyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₉H₁₂N₄O₃
CH$EXACT_MASS: 224.0909
CH$SMILES: CN1C2=C(N(CCO)C=N2)C(=O)N(C)C1=O
CH$IUPAC: InChI=1S/C9H12N4O3/c1-11-7-6(8(15)12(2)9(11)16)13(3-4-14)5-10-7/h5,14H,3-4H2,1-2H3
CH$LINK: CAS 519-37-9
CH$LINK: COMPTOX DTXSID5023031
CH$LINK: INCHIKEY NWPRCRWQMGIBOT-UHFFFAOYSA-N
CH$LINK: PUBCHEM CID:1892

AC$INSTRUMENT: 6601 QTOF Agilent
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 10 eV
AC$MASS_SPECTROMETRY: RESOLUTION 3600
AC$CHROMATOGRAPHY: FLOW_GRADIENT 50/50
AC$CHROMATOGRAPHY: FLOW_RATE 300 uL/min
AC$CHROMATOGRAPHY: SOLVENT A water
AC$CHROMATOGRAPHY: SOLVENT B methanol

MS$FOCUSED_ION: PRECURSOR_M/Z 225.0983
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+

PK$SPLASH: splash10-00ai-0940000000-197f44732447b760525f
PK$NUM_PEAK: 8
PK$PEAK: m/z int. rel.int.
  72.0454 1519.2 71
  96.0563 1664.2 78
  124.0506 12007.1 565
  140.0816 1318.6 62
  168.0768 1541.9 73
  181.0719 21242 999
  207.0877 1202.9 57
  225.0983 15166 713
//