MassBank Record: MSBNK-MSSJ-MSJ01726
ACCESSION: MSBNK-MSSJ-MSJ01726
RECORD_TITLE: Mexazolam; LC-ESI-QQ; MS2; ESI; NEGATIVE; CID; CE 20 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$NAME: Mexazolam
CH$COMPOUND_CLASS: Non-natural product
CH$FORMULA: C18H16Cl2N2O2
CH$EXACT_MASS: 362.058876
CH$SMILES: CC1COC2(N1CC(=O)NC3=C2C=C(C=C3)Cl)C4=CC=CC=C4Cl
CH$IUPAC: InChI=1S/C18H16Cl2N2O2/c1-11-10-24-18(13-4-2-3-5-15(13)20)14-8-12(19)6-7-16(14)21-17(23)9-22(11)18/h2-8,11H,9-10H2,1H3,(H,21,23)
CH$LINK: CAS
31868-18-5
CH$LINK: CHEMSPIDER
4033
CH$LINK: INCHIKEY
ANUCDXCTICZJRH-UHFFFAOYSA-N
CH$LINK: PUBCHEM
CID:4177
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 20 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$CHROMATOGRAPHY: RETENTION_TIME 10.227 min
AC$CHROMATOGRAPHY: SOLVENT A water with 10 mM ammonium formate
AC$CHROMATOGRAPHY: SOLVENT B methanol
MS$FOCUSED_ION: PRECURSOR_M/Z 361.051599
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
PK$SPLASH: splash10-000i-1093000000-1415cd988fafec937f7f
PK$NUM_PEAK: 24
PK$PEAK: m/z int. rel.int.
35.1 22410 239
116.0 1938 21
136.1 1075 11
151.7 7280 78
177.1 3869 41
191.8 2300 25
219.1 4731 50
226.0 2509 27
231.2 1253 13
237.8 2236 24
241.1 1750 19
248.8 2553 27
252.1 19278 205
253.1 4813 51
259.0 1228 13
259.7 3667 39
274.1 6570 70
277.0 1049 11
289.0 93726 999
295.1 45674 487
299.0 1400 15
329.3 4496 48
330.9 42688 455
361.2 18773 200
//
system version 2.2.8-SNAPSHOT