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MassBank Record: MSBNK-Eawag-EA264956

2',2'-Difluoro-2'-deoxyuridine; LC-ESI-ITFT; MS2; CE: 75%; R=7500; [M-H]-

Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk)

ACCESSION: MSBNK-Eawag-EA264956
RECORD_TITLE: 2',2'-Difluoro-2'-deoxyuridine; LC-ESI-ITFT; MS2; CE: 75%; R=7500; [M-H]-
DATE: 2014.01.14
AUTHORS: Stravs M, Schymanski E, Singer H, Department of Environmental Chemistry, Eawag
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2012 Eawag, Duebendorf, Switzerland
COMMENT: CONFIDENCE standard compound
COMMENT: EAWAG_UCHEM_ID 2649

CH$NAME: 2',2'-Difluoro-2'-deoxyuridine
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C9H10F2N2O5
CH$EXACT_MASS: 264.0558
CH$SMILES: O=C/1NC(=O)N(\C=C\1)[C@@H]2O[C@@H]([C@@H](O)C2(F)F)CO
CH$IUPAC: InChI=1S/C9H10F2N2O5/c10-9(11)6(16)4(3-14)18-7(9)13-2-1-5(15)12-8(13)17/h1-2,4,6-7,14,16H,3H2,(H,12,15,17)/t4-,6-,7-/m1/s1
CH$LINK: CAS 114248-23-6
CH$LINK: PUBCHEM CID:9871558
CH$LINK: INCHIKEY FIRDBEQIJQERSE-QPPQHZFASA-N
CH$LINK: CHEMSPIDER 8047247
CH$LINK: COMPTOX DTXSID50891460

AC$INSTRUMENT: LTQ Orbitrap XL Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-ITFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 75 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 7500
AC$CHROMATOGRAPHY: COLUMN_NAME XBridge C18 3.5um, 2.1x50mm, Waters
AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0 min, 50/50 at 4 min, 5/95 at 17 min, 5/95 at 25 min, 90/10 at 25.1 min, 90/10 at 30 min
AC$CHROMATOGRAPHY: FLOW_RATE 200 ul/min
AC$CHROMATOGRAPHY: RETENTION_TIME 1.9 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 309.0545
MS$FOCUSED_ION: PRECURSOR_M/Z 263.0485
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: DEPROFILE Spline
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 1.3.1

PK$SPLASH: splash10-03dr-6900000000-c0034c594f3168ca099e
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  89.9988 C5NO- 1 89.9985 2.81
  111.0213 CH4FN2O3- 1 111.0211 1.05
PK$NUM_PEAK: 2
PK$PEAK: m/z int. rel.int.
  89.9988 4118.3 764
  111.0213 5378.7 999
//

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