MassBank Record: MSBNK-MSSJ-MSJ01575
ACCESSION: MSBNK-MSSJ-MSJ01575
RECORD_TITLE: Cloxazolam; LC-ESI-QQ; MS2; ESI; NEGATIVE; CE 50 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 20230324.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$NAME: Cloxazolam
CH$COMPOUND_CLASS: Non-natural product
CH$FORMULA: C17H14Cl2N2O2
CH$EXACT_MASS: 348.04323
CH$SMILES: C1COC2(N1CC(=O)NC3=C2C=C(C=C3)Cl)C4=CC=CC=C4Cl
CH$IUPAC: InChI=1S/C17H14Cl2N2O2/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$LINK: CAS
24166-13-0
CH$LINK: CHEMSPIDER
2714
CH$LINK: INCHIKEY
ZIXNZOBDFKSQTC-UHFFFAOYSA-N
CH$LINK: PUBCHEM
CID:2816
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$MASS_SPECTROMETRY: COLLISION_ENERGY 50 V
AC$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 9.919 min
AC$CHROMATOGRAPHY: SOLVENT A water with 10 mM ammonium formate
AC$CHROMATOGRAPHY: SOLVENT B methanol
MS$FOCUSED_ION: PRECURSOR_M/Z 347.03540
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
PK$SPLASH: splash10-0006-3980000000-d7ad425935c6b9ca405d
PK$NUM_PEAK: 14
PK$PEAK: m/z int. rel.int.
35 374 174
42 1140 530
111 715 332
138 374 174
151 374 174
177 374 174
191 2150 999
224 374 174
237 374 174
252 374 174
253 749 348
260 749 348
266 715 332
281 374 174
//