ACCESSION: MSBNK-Eawag-EQ360855
RECORD_TITLE: Nordiazepam; LC-ESI-QFT; MS2; CE: 75; R=35000; [M-H]-
DATE: 2015.08.26
AUTHORS: Stravs M, Schymanski E, Singer H, Department of Environmental Chemistry, Eawag and Thomaidis N, University of Athens
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2015 Eawag, Duebendorf, Switzerland
COMMENT: CONFIDENCE standard compound
COMMENT: EAWAG_UCHEM_ID 3608

CH$NAME: Nordiazepam
CH$NAME: Nordazepam (1-Demethyldiazepam)
CH$NAME: 7-chloro-5-phenyl-1,3-dihydro-1,4-benzodiazepin-2-one
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₁₅H₁₁ClN₂O
CH$EXACT_MASS: 270.05599
CH$SMILES: C1C(=O)NC2=C(C=C(C=C2)Cl)C(=N1)C3=CC=CC=C3
CH$IUPAC: InChI=1S/C15H11ClN2O/c16-11-6-7-13-12(8-11)15(17-9-14(19)18-13)10-4-2-1-3-5-10/h1-8H,9H2,(H,18,19)
CH$LINK: CAS 1088-11-5
CH$LINK: CHEBI 111762
CH$LINK: KEGG C07486
CH$LINK: PUBCHEM CID:2997
CH$LINK: INCHIKEY AKPLHCDWDRPJGD-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 2890
CH$LINK: COMPTOX DTXSID2049000

AC$INSTRUMENT: Q Exactive Plus Orbitrap Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-QFT
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 35000
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 9.4 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 269.0483
MS$FOCUSED_ION: PRECURSOR_M/Z 269.0487
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 1.9.6

PK$SPLASH: splash10-0006-0090000000-2afa9f8bad136457e913
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  204.0452 C14H6NO- 2 204.0455 -1.6
  205.0531 C14H7NO- 2 205.0533 -0.84
  206.0609 C14H8NO- 1 206.0611 -0.91
  210.0563 C13H8NO2- 1 210.0561 1.04
  222.0558 C14H8NO2- 1 222.0561 -0.96
  224.0715 C14H10NO2- 1 224.0717 -0.72
  235.0511 C14H7N2O2- 2 235.0513 -0.86
  240.0221 C14H7ClNO- 1 240.0222 -0.23
  241.03 C14H8ClNO- 1 241.03 0.04
  242.0377 C14H9ClNO- 1 242.0378 -0.6
  267.0332 C15H8ClN2O- 1 267.0331 0.4
PK$NUM_PEAK: 11
PK$PEAK: m/z int. rel.int.
  204.0452 1915 3
  205.0531 60067.1 123
  206.0609 3676 7
  210.0563 650.3 1
  222.0558 530.1 1
  224.0715 3331.6 6
  235.0511 769.3 1
  240.0221 37983 78
  241.03 486267.3 999
  242.0377 5857.7 12
  267.0332 3158 6
//