ACCESSION: MSBNK-MSSJ-MSJ01694
RECORD_TITLE: Haloxazolam; LC-ESI-QQ; MS; ESI; NEGATIVE
DATE: 2023.03.27
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 20230327-3.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$NAME: Haloxazolam
CH$COMPOUND_CLASS: Non-natural product
CH$FORMULA: C₁₇H₁₄BrFN₂O₂
CH$EXACT_MASS: 376.022261
CH$SMILES: C1COC2(N1CC(=O)NC3=C2C=C(C=C3)Br)C4=CC=CC=C4F
CH$IUPAC: InChI=1S/C17H14BrFN2O2/c18-11-5-6-15-13(9-11)17(12-3-1-2-4-14(12)19)21(7-8-23-17)10-16(22)20-15/h1-6,9H,7-8,10H2,(H,20,22)
CH$LINK: CAS 59128-97-1
CH$LINK: CHEMSPIDER 3442
CH$LINK: INCHIKEY XDKCGKQHVBOOHC-UHFFFAOYSA-N
CH$LINK: PUBCHEM CID:3563

AC$INSTRUMENT: LCMS-8040 coupled to Nexera XR (Shimadzu, Kyoto, Japan).
AC$INSTRUMENT_TYPE: LC-ESI-QQ
AC$MASS_SPECTROMETRY: MS_TYPE MS
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
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$CHROMATOGRAPHY: RETENTION_TIME 9.644 min
AC$CHROMATOGRAPHY: SOLVENT A water with 10 mM ammonium formate
AC$CHROMATOGRAPHY: SOLVENT B methanol

PK$SPLASH: splash10-004i-0009000000-1c192f75d6ac0e81f740
PK$NUM_PEAK: 19
PK$PEAK: m/z int. rel.int.
  100.9 34152 11
  272.0 132602 43
  274.0 125974 41
  325.0 134853 44
  327.0 111460 36
  345.1 83171 27
  347.1 88241 29
  375.1 3081312 999
  377.1 2758175 894
  378.1 508025 165
  379.1 53419 17
  393.1 37817 12
  411.1 48432 16
  413.0 64273 21
  415.0 31336 10
  421.1 50136 16
  423.1 40663 13
  446.1 134101 43
  448.1 151634 49
//