MassBank Record: MSBNK-MSSJ-MSJ01715
ACCESSION: MSBNK-MSSJ-MSJ01715
RECORD_TITLE: Midazolam; LC-ESI-QQ; MS2; ESI; POSITIVE; CID; CE 30 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$NAME: Midazolam
CH$COMPOUND_CLASS: Non-natural product
CH$FORMULA: C18H13ClFN3
CH$EXACT_MASS: 325.078191
CH$SMILES: CC1=NC=C2N1C3=C(C=C(C=C3)Cl)C(=NC2)C4=CC=CC=C4F
CH$IUPAC: InChI=1S/C18H13ClFN3/c1-11-21-9-13-10-22-18(14-4-2-3-5-16(14)20)15-8-12(19)6-7-17(15)23(11)13/h2-9H,10H2,1H3
CH$LINK: CAS
59467-70-8
CH$LINK: CHEMSPIDER
4047
CH$LINK: INCHIKEY
DDLIGBOFAVUZHB-UHFFFAOYSA-N
CH$LINK: PUBCHEM
CID:4192
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$MASS_SPECTROMETRY: COLLISION_ENERGY 30 V
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
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$CHROMATOGRAPHY: RETENTION_TIME 9.584 min
AC$CHROMATOGRAPHY: SOLVENT A water with 10 mM ammonium formate
AC$CHROMATOGRAPHY: SOLVENT B methanol
MS$FOCUSED_ION: PRECURSOR_M/Z 326.085468
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
PK$SPLASH: splash10-0006-0091000000-25122eafcdcd98b67a5f
PK$NUM_PEAK: 29
PK$PEAK: m/z int. rel.int.
129.1 20674 35
164.1 9295 16
169.1 5928 10
170.2 10852 19
189.1 27874 48
196.2 9082 16
204.9 7051 12
208.1 28141 48
209.1 108044 185
222.2 13179 23
223.1 58257 100
230.2 12602 22
231.2 10749 18
244.1 97064 166
249.2 98967 169
250.2 52588 90
258.2 24285 42
263.2 6751 12
265.0 13534 23
270.2 11102 19
283.9 6598 11
285.1 40904 70
289.1 10730 18
290.2 64223 110
291.2 583300 999
306.2 7144 12
309.1 23594 40
311.2 10009 17
326.2 188648 323
//