MassBank Record: NA000180



 4-Hydroxycoumarin; 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: NA000180
RECORD_TITLE: 4-Hydroxycoumarin; LC-ESI-ITFT; MS2; CE: 55%; R=15000; [M+H]+
DATE: 2018.08.29
AUTHORS: Tobias Schulze, Hubert Schupke, Martin Krauss, Department of Effect-Directed Analysis, Helmholtz Centre for Environmental Research GmbH - UFZ, Leipzig, Germany
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2018
PUBLICATION: 
COMMENT: CONFIDENCE Reference Standard (Level 1)
COMMENT: NaToxAq - Natural Toxins and Drinking Water Quality - From Source to Tap (https://natoxaq.ku.dk)

CH$NAME: 4-Hydroxycoumarin CH$NAME: 4-hydroxychromen-2-one CH$COMPOUND_CLASS: N/A; Environmental Standard CH$FORMULA: C9H6O3 CH$EXACT_MASS: 162.0317 CH$SMILES: OC1=CC(=O)OC2=CC=CC=C12 CH$IUPAC: InChI=1S/C9H6O3/c10-7-5-9(11)12-8-4-2-1-3-6(7)8/h1-5,10H CH$LINK: CAS 1076-38-6 CH$LINK: CHEBI 40070 CH$LINK: KEGG C20414 CH$LINK: PUBCHEM CID:54682930 CH$LINK: INCHIKEY VXIXUWQIVKSKSA-UHFFFAOYSA-N CH$LINK: CHEMSPIDER 10254753
AC$INSTRUMENT: LTQ Orbitrap XL Thermo Scientific AC$INSTRUMENT_TYPE: LC-ESI-ITFT AC$MASS_SPECTROMETRY: MS_TYPE MS2 AC$MASS_SPECTROMETRY: IONIZATION ESI AC$MASS_SPECTROMETRY: ION_MODE POSITIVE AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID AC$MASS_SPECTROMETRY: COLLISION_ENERGY 55 % (nominal) AC$MASS_SPECTROMETRY: RESOLUTION 15000 AC$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$CHROMATOGRAPHY: RETENTION_TIME 7.999 min AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid
MS$FOCUSED_ION: BASE_PEAK 163.0392 MS$FOCUSED_ION: PRECURSOR_M/Z 163.039 MS$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$DATA_PROCESSING: WHOLE RMassBank 2.9.1
PK$SPLASH: splash10-0229-1900000000-3079d0c63251d3cac120 PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm) 68.9968 C3HO2+ 1 68.9971 -4.25 77.0384 C6H5+ 1 77.0386 -2.34 91.0541 C7H7+ 1 91.0542 -1.35 95.049 C6H7O+ 1 95.0491 -1.27 119.049 C8H7O+ 1 119.0491 -1.15 121.0282 C7H5O2+ 1 121.0284 -1.57 163.0386 C9H7O3+ 1 163.039 -1.99 PK$NUM_PEAK: 7 PK$PEAK: m/z int. rel.int. 68.9968 54592.4 41 77.0384 10923.2 8 91.0541 196099.9 149 95.049 238277.6 181 119.049 112574.8 85 121.0282 1313560.6 999 163.0386 841082.1 639 //