ACCESSION: MSBNK-HBM4EU-HB002546
RECORD_TITLE: Etofylline; LC-ESI-QTOF; MS2; CE: 40 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$INSTRUMENT: 6607 QTOF Agilent
AC$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$MASS_SPECTROMETRY: COLLISION_ENERGY 40 eV
AC$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$SPLASH: splash10-0002-9300000000-57c56af934425af03cc5
PK$NUM_PEAK: 13
PK$PEAK: m/z int. rel.int.
  62.9684 449.8 138
  68.0137 1647.6 505
  79.1718 180.5 55
  80.0226 409.4 125
  93.046 698.7 214
  95.0473 526 161
  96.0534 3261.9 999
  124.0527 595.8 182
  140.0714 454.9 139
  160.6415 845.3 259
  181.0728 538.3 165
  183.8946 327.2 100
  209.4201 224.1 69
//