MassBank Record: MSBNK-MSSJ-MSJ01573
ACCESSION: MSBNK-MSSJ-MSJ01573
RECORD_TITLE: Cloxazolam; LC-ESI-QQ; MS2; ESI; NEGATIVE; CE 30 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$MASS_SPECTROMETRY: COLLISION_ENERGY 30 V
AC$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$SPLASH: splash10-0f79-2490000000-1054635d4015cab92c79
PK$NUM_PEAK: 23
PK$PEAK: m/z int. rel.int.
35 2290 296
42 2508 325
45 374 48
66 1432 185
116 2926 379
128 1984 257
136 1500 194
152 4893 633
159 743 96
178 374 48
206 374 48
224 747 97
238 7720 999
250 749 97
251 2252 291
253 3928 508
263 749 97
265 1500 194
266 749 97
267 1500 194
275 374 48
278 749 97
281 1801 233
//