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MassBank Record: MSBNK-MSSJ-MSJ01625

Bromazepam; LC-ESI-QQ; MS2; ESI; NEGATIVE; CID; CE 20 V; [M-H]-

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

ACCESSION: MSBNK-MSSJ-MSJ01625
RECORD_TITLE: Bromazepam; LC-ESI-QQ; MS2; ESI; NEGATIVE; CID; CE 20 V; [M-H]-
DATE: 2023.03.24
AUTHORS: Koji Yamaguchi, Department of Legal Medicine, Nippon Medical School, 1715 Kamagari, Inzai-shi, Chiba 270-1694, Japan.
LICENSE: CC BY
COPYRIGHT: Koji Yamaguchi, Department of Legal Medicine, Nippon Medical School, 1715 Kamagari, Inzai-shi, Chiba 270-1694, Japan.
COMMENT: Original data are in the 20230327-2_Revsd.xlsx file.
COMMENT: This record was created by the financial support of MEXT/JSPS KAKENHI Grant Number 23HP8017 to the Mass Spectrometry Society of Japan.

CH$NAME: Bromazepam
CH$COMPOUND_CLASS: Non-natural product
CH$FORMULA: C14H10BrN3O
CH$EXACT_MASS: 315.00071
CH$SMILES: C1C(=O)NC2=C(C=C(C=C2)Br)C(=N1)C3=CC=CC=N3
CH$IUPAC: InChI=1S/C14H10BrN3O/c15-9-4-5-11-10(7-9)14(17-8-13(19)18-11)12-3-1-2-6-16-12/h1-7H,8H2,(H,18,19)
CH$LINK: CAS 1812-30-2
CH$LINK: CHEMSPIDER 2347
CH$LINK: INCHIKEY VMIYHDSEFNYJSL-UHFFFAOYSA-N
CH$LINK: PUBCHEM CID:2441

AC$INSTRUMENT: LCMS-8040 coupled to Nexera XR (Shimadzu, Kyoto, Japan).
AC$INSTRUMENT_TYPE: LC-ESI-QQ
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 20 V
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$CHROMATOGRAPHY: COLUMN_NAME InertSustain C18 ID 2.1 microm, 2.1 x 100 mm (GL Science, Tokyo, Japan).
AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0 min, linear gradient from 90/10 to 2/98 at 0-9 min, 2/98 at 9-12 min, linear gradient from 2/98 to 90/10 at 12-12.1 min, 90/10 at 12.1-15 min.
AC$CHROMATOGRAPHY: FLOW_RATE 200 microl/min
AC$CHROMATOGRAPHY: RETENTION_TIME 8.299 min
AC$CHROMATOGRAPHY: SOLVENT A water with 10 mM ammonium formate
AC$CHROMATOGRAPHY: SOLVENT B methanol

MS$FOCUSED_ION: PRECURSOR_M/Z 313.99344
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-

PK$SPLASH: splash10-000i-0090000000-27d06f9822584b0a5d90
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  79.0 7787 29
  286.0 267798 999
  287.0 24597 92
  314.1 31886 119
//

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