ACCESSION: MSBNK-BAFG-CSL23111018368
RECORD_TITLE: Nitrazepam; LC-ESI-QTOF; MS2; 40 V
DATE: 2023.11.10
AUTHORS: Kevin S. Jewell; Björn Ehlig; Arne Wick
LICENSE: dl-de/by-2-0
COPYRIGHT: Copyright 2023 Federal Institute of Hydrology, Koblenz, Germany
COMMENT: CONFIDENCE Reference Standard (Level 1)
COMMENT: Chromatography method: dx.doi.org/10.1016/j.chroma.2015.11.014
COMMENT: Acquisition method: 10.1002/rcm.8541

CH$NAME: Nitrazepam
CH$COMPOUND_CLASS: Pharmaceutical
CH$FORMULA: C₁₅H₁₁N₃O₃
CH$EXACT_MASS: 281.08
CH$SMILES: C1C(=O)NC2=C(C=C(C=C2)[N+](=O)[O-])C(=N1)C3=CC=CC=C3
CH$IUPAC: InChI=1S/C15H11N3O3/c19-14-9-16-15(10-4-2-1-3-5-10)12-8-11(18(20)21)6-7-13(12)17-14/h1-8H,9H2,(H,17,19)
CH$LINK: CAS 146-22-5
CH$LINK: INCHIKEY KJONHKAYOJNZEC-UHFFFAOYSA-N

AC$INSTRUMENT: TripleTOF 6600 SCIEX
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 40
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$CHROMATOGRAPHY: COLUMN_NAME Zorbax Eclipse Plus C18 2.1 mm x 150 mm, 3.5 um, Agilent
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 40 °C
AC$CHROMATOGRAPHY: FLOW_GRADIENT 0 min min 98% A, 1 min 98% A, 2 min 80% A, 16.5 min 2% A, 22 min 2% A, 22.1 min 98% A, 27 min 98% A
AC$CHROMATOGRAPHY: FLOW_RATE 0.3 mL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 9.435 min
AC$CHROMATOGRAPHY: SOLVENT A: Water 0.1% Formic acid, B: Acetonitrile 0.1% Formic acid

MS$FOCUSED_ION: PRECURSOR_M/Z 280.0727
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: COMMENT Export with Spectra 1.9.12 MsBackendMassbank 1.7.4
MS$DATA_PROCESSING: WHOLE RMassBank 2.3.1

PK$SPLASH: splash10-0uk9-0290000000-f7903b7440cd2333bf53
PK$NUM_PEAK: 12
PK$PEAK: m/z int. rel.int.
  45.9934 8.9 20
  166.0661 45.9 108
  194.0611 173.4 408
  195.0557 8.5 20
  206.0603 38.9 91
  207.0671 6.6 15
  222.0565 384.8 906
  223.0624 13.3 31
  251.0454 11.3 26
  252.0541 424 999
  253.061 19.4 45
  278.0561 4.7 11
//