ACCESSION: MSBNK-UFZ-WANA037403B085PH
RECORD_TITLE: Methylchloroisothiazolinone; LC-ESI-ITFT; MS2; CE: 20%; R=15000; [M+H]+
DATE: 2023.08.12
AUTHORS: Tobias Schulze, Martin Krauss, Department of Effect-Directed Analysis, Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany
LICENSE: CC0
COPYRIGHT: Copyright (C) 2023
COMMENT: CONFIDENCE Reference Standard (Level 1)

CH$NAME: Methylchloroisothiazolinone
CH$NAME: 5-Chloro-2-methyl-4-isothiazolin-3-one
CH$NAME: 5-chloro-2-methyl-1,2-thiazol-3-one
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₄H₄ClNOS
CH$EXACT_MASS: 148.970212428
CH$SMILES: CN1SC(Cl)=CC1=O
CH$IUPAC: InChI=1S/C4H4ClNOS/c1-6-4(7)2-3(5)8-6/h2H,1H3
CH$LINK: CAS 26172-55-4
CH$LINK: CHEBI 53621
CH$LINK: PUBCHEM CID:33344
CH$LINK: INCHIKEY DHNRXBZYEKSXIM-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 30800
CH$LINK: COMPTOX DTXSID9034286

AC$INSTRUMENT: LTQ Orbitrap XL Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-ITFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 20 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 15000
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 50-160
AC$CHROMATOGRAPHY: COLUMN_NAME Kinetex Evo C18 2.6 um 50 x 2.1 mm
AC$CHROMATOGRAPHY: FLOW_GRADIENT 95/5 at 0 min, 95/5 at 1 min, 0/100 at 13 min, 0/100 at 24 min, 95/5 at 24.3 min, 95/5 at 32 min
AC$CHROMATOGRAPHY: FLOW_RATE 300 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 1.974 min

MS$FOCUSED_ION: BASE_PEAK 169.0767
MS$FOCUSED_ION: PRECURSOR_M/Z 149.9775
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$FOCUSED_ION: PRECURSOR_INTENSITY 10670005
MS$DATA_PROCESSING: RECALIBRATE loess on assigned fragments and MS1
MS$DATA_PROCESSING: REANALYZE Peaks with additional N2/O included
MS$DATA_PROCESSING: WHOLE RMassBank 3.11.2

PK$SPLASH: splash10-0002-0900000000-b5163c1f5daf0d0e9491
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
149.9775 C4H5ClNOS+ 1 149.9775 0.35
PK$NUM_PEAK: 1
PK$PEAK: m/z int. rel.int.
149.9775 2297926.5 999
//