MassBank Record: AU235760

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Efavirenz; LC-ESI-QTOF; MS2; CE: 40 eV; R=35000; [M-H]-

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

ACCESSION: AU235760
RECORD_TITLE: Efavirenz; LC-ESI-QTOF; MS2; CE: 40 eV; R=35000; [M-H]-
DATE: 2019.03.29
AUTHORS: Nikiforos Alygizakis, Katerina Galani, Nikolaos Thomaidis, University of Athens
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2019 Department of Chemistry, University of Athens
COMMENT: CONFIDENCE standard compound
COMMENT: INTERNAL_ID 2357

CH$NAME: Efavirenz
CH$NAME: 6-Chloro-4-(cyclopropylethynyl)-4-(trifluoromethyl)-1,4-dihydro-2H-3,1-benzoxazin-2-one
CH$NAME: 6-chloro-4-(2-cyclopropylethynyl)-4-(trifluoromethyl)-1H-3,1-benzoxazin-2-one
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C14H9ClF3NO2
CH$EXACT_MASS: 315.0273909
CH$SMILES: FC(F)(F)C1(OC(=O)NC2=C1C=C(Cl)C=C2)C#CC1CC1
CH$IUPAC: InChI=1S/C14H9ClF3NO2/c15-9-3-4-11-10(7-9)13(14(16,17)18,21-12(20)19-11)6-5-8-1-2-8/h3-4,7-8H,1-2H2,(H,19,20)
CH$LINK: CAS 1814-69-3
CH$LINK: PUBCHEM CID:3203
CH$LINK: INCHIKEY XPOQHMRABVBWPR-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 3091

AC$INSTRUMENT: Bruker maXis Impact
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 40 eV
AC$MASS_SPECTROMETRY: RESOLUTION 35000
AC$CHROMATOGRAPHY: COLUMN_NAME Acclaim RSLC C18 2.2um, 2.1x100mm, Thermo
AC$CHROMATOGRAPHY: FLOW_GRADIENT 99/1 at 0-1 min, 61/39 at 3 min, 0.1/99.9 at 14-16 min, 99/1 at 16.1-20 min
AC$CHROMATOGRAPHY: FLOW_RATE 200 uL/min at 0-3 min, 400 uL/min at 14 min, 480 uL/min at 16-19 min, 200 uL/min at 19.1-20 min
AC$CHROMATOGRAPHY: RETENTION_TIME 10.626 min
AC$CHROMATOGRAPHY: SOLVENT A 90:10 water:methanol with 5mM ammonium acetate
AC$CHROMATOGRAPHY: SOLVENT B methanol with 5mM ammonium acetate

MS$FOCUSED_ION: BASE_PEAK 314.0196
MS$FOCUSED_ION: PRECURSOR_M/Z 314.0201
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: RECALIBRATE identity on assigned fragments and MS1
MS$DATA_PROCESSING: WHOLE RMassBank 2.10.0

PK$SPLASH: splash10-0ab9-0090000000-f9c3c38afa940a53f3a0
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  206.021 C5H8ClF3NO2- 7 206.0201 4.54
  208.0423 C13H6NO2- 2 208.0404 9.18
  221.9896 C11H4ClFO2- 6 221.9889 3.06
  241.9938 C14H4ClFO- 4 241.994 -0.88
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  206.021 420 613
  208.0423 684 999
  221.9896 584 852
  241.9938 308 449
//