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MassBank Record: MSBNK-MSSJ-MSJ03137

Thiopental; LC-ESI-QQ; MS2; ESI; NEGATIVE; CID; CE 20 V; [M-H]-

Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk)

ACCESSION: MSBNK-MSSJ-MSJ03137
RECORD_TITLE: Thiopental; LC-ESI-QQ; MS2; ESI; NEGATIVE; CID; CE 20 V; [M-H]-
DATE: 2023.04.07
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 20230407-1.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$NAME: Thiopental
CH$COMPOUND_CLASS: Non-natural product
CH$FORMULA: C11H18N2O2S
CH$EXACT_MASS: 242.108891
CH$SMILES: CCCC(C)C1(C(=O)NC(=S)NC1=O)CC
CH$IUPAC: InChI=1S/C11H18N2O2S/c1-4-6-7(3)11(5-2)8(14)12-10(16)13-9(11)15/h7H,4-6H2,1-3H3,(H2,12,13,14,15,16)
CH$LINK: CAS 76-75-5
CH$LINK: CHEMSPIDER 2272258
CH$LINK: INCHIKEY IUJDSEJGGMCXSG-UHFFFAOYSA-N
CH$LINK: PUBCHEM CID:3000715

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$MASS_SPECTROMETRY: COLLISION_ENERGY 20 V
AC$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$CHROMATOGRAPHY: RETENTION_TIME 9.086 min
AC$CHROMATOGRAPHY: SOLVENT A water with 10 mM ammonium formate
AC$CHROMATOGRAPHY: SOLVENT B methanol

MS$FOCUSED_ION: PRECURSOR_M/Z 241.101614
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-

PK$SPLASH: splash10-0a4i-9110000000-7b9b7529fa7aea6567b8
PK$NUM_PEAK: 5
PK$PEAK: m/z int. rel.int.
  41.1 16693 90
  42.1 4952 27
  58.0 184668 999
  101.0 30272 164
  241.1 28612 155
//

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