ACCESSION: MSBNK-Eawag-EA012453
RECORD_TITLE: Thifensulfuron-methyl; LC-ESI-ITFT; MS2; CE: 30%; R=7500; [M-H]-
DATE: 2014.01.14
AUTHORS: Stravs M, Schymanski E, Singer H, Department of Environmental Chemistry, Eawag
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2012 Eawag, Duebendorf, Switzerland
COMMENT: CONFIDENCE standard compound
COMMENT: EAWAG_UCHEM_ID 124

CH$NAME: Thifensulfuron-methyl
CH$NAME: 3-[(4-methoxy-6-methyl-s-triazin-2-yl)carbamoylsulfamoyl]thiophene-2-carboxylic acid methyl ester
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₁₂H₁₃N₅O₆S₂
CH$EXACT_MASS: 387.0307
CH$SMILES: COC(=O)C1=C(C=CS1)S(=O)(=O)NC(=O)NC1=NC(C)=NC(OC)=N1
CH$IUPAC: InChI=1S/C12H13N5O6S2/c1-6-13-10(16-12(14-6)23-3)15-11(19)17-25(20,21)7-4-5-24-8(7)9(18)22-2/h4-5H,1-3H3,(H2,13,14,15,16,17,19)
CH$LINK: CAS 79277-27-3
CH$LINK: KEGG C10957
CH$LINK: PUBCHEM CID:73674
CH$LINK: INCHIKEY AHTPATJNIAFOLR-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 66325
CH$LINK: COMPTOX DTXSID1024124

AC$INSTRUMENT: LTQ Orbitrap XL Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-ITFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 30 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 7500
AC$CHROMATOGRAPHY: COLUMN_NAME XBridge C18 3.5um, 2.1x50mm, Waters
AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0 min, 50/50 at 4 min, 5/95 at 17 min, 5/95 at 25 min, 90/10 at 25.1 min, 90/10 at 30 min
AC$CHROMATOGRAPHY: FLOW_RATE 200 ul/min
AC$CHROMATOGRAPHY: RETENTION_TIME 6.9 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 386.0229
MS$FOCUSED_ION: PRECURSOR_M/Z 386.0234
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: DEPROFILE Spline
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 1.3.1

PK$SPLASH: splash10-000i-0900000000-bf9d03dd8c5482a914c2
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  139.0629 C5H7N4O- 1 139.0625 2.49
  187.9488 C5H2NO3S2- 1 187.9482 3.2
  219.9747 C6H6NO4S2- 3 219.9744 1.58
  245.9542 C7H4NO5S2- 2 245.9536 2.37
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  139.0629 2060623.3 999
  187.9488 39829.4 19
  219.9747 26106.3 12
  245.9542 43460.1 21
//