ACCESSION: MSBNK-MSSJ-MSJ01747
RECORD_TITLE: Lormetazepam; LC-ESI-QQ; MS2; ESI; NEGATIVE; CID; CE 50 V; [M-H]-
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 20230328-1.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$NAME: Lormetazepam
CH$COMPOUND_CLASS: Non-natural product
CH$FORMULA: C₁₆H₁₂Cl₂N₂O₂
CH$EXACT_MASS: 334.027576
CH$SMILES: CN1C2=C(C=C(C=C2)Cl)C(=NC(C1=O)O)C3=CC=CC=C3Cl
CH$IUPAC: InChI=1S/C16H12Cl2N2O2/c1-20-13-7-6-9(17)8-11(13)14(19-15(21)16(20)22)10-4-2-3-5-12(10)18/h2-8,15,21H,1H3
CH$LINK: CAS 848-75-9
CH$LINK: CHEMSPIDER 12750
CH$LINK: INCHIKEY FJIKWRGCXUCUIG-UHFFFAOYSA-N
CH$LINK: PUBCHEM CID:13314

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$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 50 V
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$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$CHROMATOGRAPHY: RETENTION_TIME 9.178 min
AC$CHROMATOGRAPHY: SOLVENT A water with 10 mM ammonium formate
AC$CHROMATOGRAPHY: SOLVENT B methanol

MS$FOCUSED_ION: PRECURSOR_M/Z 333.020299
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-

PK$SPLASH: splash10-0006-9000000000-34918e2dcfb4f45cc895
PK$NUM_PEAK: 5
PK$PEAK: m/z int. rel.int.
  35.1 376 117
  42.1 3224 999
  61.6 753 233
  74.2 376 117
  111.0 376 117
//