ACCESSION: MSBNK-Antwerp_Univ-METOX_P100434_9EE2
RECORD_TITLE: Guanine; LC-ESI-QTOF; MS2; CE: 10eV; R=5000; [M+Na]+
DATE: 2021.12.09
AUTHORS: da Silva KM, Iturrospe E, van de Lavoir M, Robeyns R, University of Antwerp, Belgium
LICENSE: CC BY
COPYRIGHT: Copyright (c) 2021 by Toxicological Center, University of Antwerp, Wilrijk, Belgium
COMMENT: CONFIDENCE Standard compound
COMMENT: INTERNAL_ID 1004

CH$NAME: Guanine
CH$NAME: CID 764
CH$NAME: 2-amino-3,7-dihydropurin-6-one
CH$COMPOUND_CLASS: N/A; Metabolomics Standard
CH$FORMULA: C₅H₅N₅O
CH$EXACT_MASS: 151.0494
CH$SMILES: C1=NC2=C(N1)C(=O)NC(=N2)N
CH$IUPAC: InChI=1S/C5H5N5O/c6-5-9-3-2(4(11)10-5)7-1-8-3/h1H,(H4,6,7,8,9,10,11)
CH$LINK: CAS 73-40-5
CH$LINK: CHEBI 16235
CH$LINK: KEGG C00242
CH$LINK: PUBCHEM CID:764
CH$LINK: INCHIKEY UYTPUPDQBNUYGX-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 744
CH$LINK: COMPTOX DTXSID9052476

AC$INSTRUMENT: Agilent 6530 QTOF
AC$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 5000
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 40-995
AC$CHROMATOGRAPHY: COLUMN_NAME N/A
AC$CHROMATOGRAPHY: FLOW_GRADIENT 50/50 isocratic
AC$CHROMATOGRAPHY: FLOW_RATE 200 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 0.222 min
AC$CHROMATOGRAPHY: SOLVENT A 90/10 water with 10mM ammonium formate + 0.1% formic acid/methanol
AC$CHROMATOGRAPHY: SOLVENT B acetonitrile

MS$FOCUSED_ION: BASE_PEAK 121.0508
MS$FOCUSED_ION: PRECURSOR_M/Z 174.0386
MS$FOCUSED_ION: PRECURSOR_TYPE [M+Na]+
MS$FOCUSED_ION: PRECURSOR_INTENSITY 32380
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 3.4.0

PK$SPLASH: splash10-00di-0900000000-face0e2c49ad0efef57a
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
174.0345 C5H5N5NaO+ 1 174.0386 -23.81
PK$NUM_PEAK: 1
PK$PEAK: m/z int. rel.int.
174.0345 3656.3 999
//