ACCESSION: MSBNK-HBM4EU-HB002542
RECORD_TITLE: Etofylline; LC-ESI-QTOF; MS2; CE: 20 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$INSTRUMENT: 6603 QTOF Agilent
AC$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$MASS_SPECTROMETRY: COLLISION_ENERGY 20 eV
AC$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$SPLASH: splash10-00e9-3900000000-449c199c81cde0c0c44c
PK$NUM_PEAK: 12
PK$PEAK: m/z int. rel.int.
  68.048 646 59
  69.044 2736 250
  72.0448 1728.8 158
  96.0546 3470.2 317
  113.0677 694.1 63
  120.054 614.6 56
  124.0486 10950.4 999
  140.0791 703.9 64
  168.0732 687.2 63
  181.0696 9700.5 885
  207.0886 622.5 57
  225.0983 1614.6 147
//