MassBank Record: MSBNK-MSSJ-MSJ01584
ACCESSION: MSBNK-MSSJ-MSJ01584
RECORD_TITLE: Clonazepam; LC-ESI-QQ; MS2; ESI; POSITIVE; CE 20 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 20230324-3.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$NAME: Clonazepam
CH$COMPOUND_CLASS: Non-natural product
CH$FORMULA: C15H10ClN3O3
CH$EXACT_MASS: 315.04105
CH$SMILES: C1C(=O)NC2=C(C=C(C=C2)[N+](=O)[O-])C(=N1)C3=CC=CC=C3Cl
CH$IUPAC: InChI=1S/C15H10ClN3O3/c16-12-4-2-1-3-10(12)15-11-7-9(19(21)22)5-6-13(11)18-14(20)8-17-15/h1-7H,8H2,(H,18,20)
CH$LINK: CAS
1622-61-3
CH$LINK: CHEMSPIDER
2700
CH$LINK: INCHIKEY
DGBIGWXXNGSACT-UHFFFAOYSA-N
CH$LINK: PUBCHEM
CID:2802
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 POSITIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 20 V
AC$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 8.612 min
AC$CHROMATOGRAPHY: SOLVENT A water with 10 mM ammonium formate
AC$CHROMATOGRAPHY: SOLVENT B methanol
MS$FOCUSED_ION: PRECURSOR_M/Z 316.04834
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
PK$SPLASH: splash10-014i-0039000000-4743050e38c5abbcf7a8
PK$NUM_PEAK: 5
PK$PEAK: m/z int. rel.int.
214 2220 14
229 1634 10
270 62514 386
285 1820 11
316 161629 999
//