ACCESSION: MSBNK-NaToxAq-NA003376
RECORD_TITLE: Adenine; LC-ESI-ITFT; MS2; CE: 70%; R=15000; [M+H]+
DATE: 2020.02.22
AUTHORS: Tobias Schulze, Martin Krauss, Helmholtz Centre for Environmental Research GmbH - UFZ, Leipzig, Germany
LICENSE: CC0
COPYRIGHT: Copyright (C) 2020 by Helmholtz Centre for Environmental Research GmbH - UFZ, Leipzig, Germany
COMMENT: CONFIDENCE Reference Standard (Level 1)
COMMENT: INTERNAL_ID 2357

CH$NAME: Adenine
CH$NAME: 7H-purin-6-amine
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₅H₅N₅
CH$EXACT_MASS: 135.0545
CH$SMILES: NC1=C2N=CNC2=NC=N1
CH$IUPAC: InChI=1S/C5H5N5/c6-4-3-5(9-1-7-3)10-2-8-4/h1-2H,(H3,6,7,8,9,10)
CH$LINK: CAS 73-24-5
CH$LINK: CHEBI 16708
CH$LINK: KEGG D00034
CH$LINK: PUBCHEM CID:190
CH$LINK: INCHIKEY GFFGJBXGBJISGV-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 185
CH$LINK: COMPTOX DTXSID6022557

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$MASS_SPECTROMETRY: COLLISION_ENERGY 70% (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 15000
AC$CHROMATOGRAPHY: COLUMN_NAME Kinetex Evo C18 2.6 um 50x2.1 mm, Phenomenex
AC$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, 95/5/0 at 32 min
AC$CHROMATOGRAPHY: FLOW_RATE 300 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 0.710 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 143.0014
MS$FOCUSED_ION: PRECURSOR_M/Z 136.0618
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: RECALIBRATE loess on assigned fragments and MS1
MS$DATA_PROCESSING: REANALYZE Peaks with additional N2/O included
MS$DATA_PROCESSING: WHOLE RMassBank 2.14.1

PK$SPLASH: splash10-000i-0900000000-5a5254f9b33558624e7f
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  94.04 C4H4N3+ 1 94.04 0.39
  109.0509 C4H5N4+ 1 109.0509 -0.16
  119.0352 C5H3N4+ 1 119.0352 -0.19
  136.0618 C5H6N5+ 1 136.0618 0.06
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  94.04 13155.7 34
  109.0509 3543.5 9
  119.0352 76694.8 200
  136.0618 381834.6 999
//