MassBank Record: UF408904



 Caffeine; LC-ESI-ITFT; MS2; CE: 55; R=15000; [M+H]+ 
Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk) \n

ACCESSION: UF408904
RECORD_TITLE: Caffeine; LC-ESI-ITFT; MS2; CE: 55; R=15000; [M+H]+
DATE: 2017.01.05
AUTHORS: Schulze T, Krauss M, Department of Effect-Directed Analysis, Helmholtz Centre for Environmental Research - UFZ GmbH, Leipzig, Germany
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2017
COMMENT: CONFIDENCE standard compound
COMMENT: INTERNAL_ID 4089

CH$NAME: Caffeine CH$NAME: 1,3,7-Trimethylpurine-2,6-dione CH$COMPOUND_CLASS: N/A; Environmental Standard CH$FORMULA: C8H10N4O2 CH$EXACT_MASS: 194.0804 CH$SMILES: CN1C=NC2=C1C(=O)N(C)C(=O)N2C CH$IUPAC: InChI=1S/C8H10N4O2/c1-10-4-9-6-5(10)7(13)12(3)8(14)11(6)2/h4H,1-3H3 CH$LINK: CAS 58-08-2 CH$LINK: CHEBI 27732 CH$LINK: KEGG D00528 CH$LINK: PUBCHEM CID:2519 CH$LINK: INCHIKEY RYYVLZVUVIJVGH-UHFFFAOYSA-N CH$LINK: CHEMSPIDER 2424
AC$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$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID AC$MASS_SPECTROMETRY: COLLISION_ENERGY 55 (nominal) AC$MASS_SPECTROMETRY: RESOLUTION 15000 AC$CHROMATOGRAPHY: COLUMN_NAME Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0 min, 80/20 at 3.2 min, 5/95 at 17.8 min, 5/95 at 37.8 min, 90/10 at 37.9 min, 90/10 at 47 min AC$CHROMATOGRAPHY: FLOW_RATE 200 uL/min AC$CHROMATOGRAPHY: RETENTION_TIME 15.780 min AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid
MS$FOCUSED_ION: BASE_PEAK 163.1329 MS$FOCUSED_ION: PRECURSOR_M/Z 195.0877 MS$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$DATA_PROCESSING: WHOLE RMassBank 2.2.1
PK$SPLASH: splash10-000i-0900000000-bc9f9a43b0fd465d435c PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm) 110.0714 C5H8N3+ 1 110.0713 1.21 138.0663 C6H8N3O+ 1 138.0662 1.13 151.0983 C7H11N4+ 1 151.0978 3.37 163.0614 C7H7N4O+ 1 163.0614 -0.47 177.0165 C7H3N3O3+ 1 177.0169 -2.46 PK$NUM_PEAK: 5 PK$PEAK: m/z int. rel.int. 110.0714 11345.1 19 138.0663 571788.9 999 151.0983 4250.7 7 163.0614 1909.7 3 177.0165 6734.9 11 //