ACCESSION: MSBNK-UFZ-WANA034813D9F1PH
RECORD_TITLE: Lenacil; LC-ESI-ITFT; MS2; CE: 50%; R=15000; [M+H]+
DATE: 2023.08.12
AUTHORS: Tobias Schulze, Martin Krauss, Department of Effect-Directed Analysis, Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany
LICENSE: CC0
COPYRIGHT: Copyright (C) 2023
COMMENT: CONFIDENCE Reference Standard (Level 1)

CH$NAME: Lenacil
CH$NAME: 3-cyclohexyl-1,5,6,7-tetrahydrocyclopenta[d]pyrimidine-2,4-dione
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₁₃H₁₈N₂O₂
CH$EXACT_MASS: 234.136827816
CH$SMILES: O=C1NC2=C(CCC2)C(=O)N1C1CCCCC1
CH$IUPAC: InChI=1S/C13H18N2O2/c16-12-10-7-4-8-11(10)14-13(17)15(12)9-5-2-1-3-6-9/h9H,1-8H2,(H,14,17)
CH$LINK: CAS 2164-08-1
CH$LINK: CHEBI 6407
CH$LINK: KEGG C11200
CH$LINK: PUBCHEM CID:16559
CH$LINK: INCHIKEY ZTMKADLOSYKWCA-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 15699
CH$LINK: COMPTOX DTXSID9042093

AC$INSTRUMENT: LTQ Orbitrap XL Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-ITFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 50 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 15000
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 50-250
AC$CHROMATOGRAPHY: COLUMN_NAME Kinetex Evo C18 2.6 um 50 x 2.1 mm
AC$CHROMATOGRAPHY: FLOW_GRADIENT 95/5 at 0 min, 95/5 at 1 min, 0/100 at 13 min, 0/100 at 24 min, 95/5 at 24.3 min, 95/5 at 32 min
AC$CHROMATOGRAPHY: FLOW_RATE 300 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 10.056 min

MS$FOCUSED_ION: BASE_PEAK 278.106
MS$FOCUSED_ION: PRECURSOR_M/Z 235.1441
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$FOCUSED_ION: PRECURSOR_INTENSITY 7905838
MS$DATA_PROCESSING: RECALIBRATE loess on assigned fragments and MS1
MS$DATA_PROCESSING: REANALYZE Peaks with additional N2/O included
MS$DATA_PROCESSING: WHOLE RMassBank 3.11.2

PK$SPLASH: splash10-0udi-0900000000-fe4f24440fb63f373146
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  55.0541 C4H7+ 1 55.0542 -1.66
  82.0654 C5H8N+ 1 82.0651 2.95
  83.0857 C6H11+ 1 83.0855 2.52
  110.0602 C6H8NO+ 1 110.06 1
  135.0559 C7H7N2O+ 1 135.0553 4.88
  136.0398 C7H6NO2+ 1 136.0393 3.42
  153.0662 C7H9N2O2+ 1 153.0659 2.48
PK$NUM_PEAK: 7
PK$PEAK: m/z int. rel.int.
  55.0541 5391.1 6
  82.0654 1686.4 2
  83.0857 14632.7 17
  110.0602 1953.7 2
  135.0559 2280.8 2
  136.0398 5213.3 6
  153.0662 819214.8 999
//