ACCESSION: MSBNK-MSSJ-MSJ02477
RECORD_TITLE: Metsulfuron-methyl; LC-ESI-QTOF; MS2; [M-H]-; CID; CE 10V
DATE: 2023.04.05
AUTHORS: Atsushi Yamamoto, Faculty of Environmental Studies, Tottori University of Environmental Studies, 1-1, Wakabadai-kita, Tottori City, Tottori 689-1111, Japan.
LICENSE: CC BY
COPYRIGHT: Atsushi Yamamoto, Faculty of Environmental Studies, Tottori University of Environmental Studies, 1-1, Wakabadai-kita, Tottori City, Tottori 689-1111, Japan.
COMMENT: This record was created by the financial support of MEXT/JSPS KAKENHI Grant Number 23HP8017 to the Mass Spectrometry Society of Japan.

CH$NAME: Metsulfuron-methyl
CH$COMPOUND_CLASS: Non-natural product
CH$FORMULA: C₁₄H₁₅N₅O₆S
CH$EXACT_MASS: 381.074304
CH$SMILES: CC1=NC(=NC(=N1)OC)NC(=O)NS(=O)(=O)C2=CC=CC=C2C(=O)OC
CH$IUPAC: InChI=1S/C14H15N5O6S/c1-8-15-12(18-14(16-8)25-3)17-13(21)19-26(22,23)10-7-5-4-6-9(10)11(20)24-2/h4-7H,1-3H3,(H2,15,16,17,18,19,21)
CH$LINK: CAS 74223-64-6
CH$LINK: CHEMSPIDER 47883
CH$LINK: INCHIKEY RSMUVYRMZCOLBH-UHFFFAOYSA-N
CH$LINK: PUBCHEM CID:52999

AC$INSTRUMENT: X500R QTOF (AB Sciex LLC, MA, USA) coupled to ExionLC AD (AB Sciex LLC, MA, USA).
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 10 V
AC$MASS_SPECTROMETRY: COLLISION_GAS N2
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$CHROMATOGRAPHY: COLUMN_NAME AQ-C18HP 3 microm, 2.1 mm × 150 mm (GL Science, Tokyo, Japan).
AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0 min, 90/10 at 8 min, 0/100 at 23 min, 0/100 at 30 min, 90/10 at 30.1 min, 90/10 at 40 min
AC$CHROMATOGRAPHY: FLOW_RATE 200 microL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 28.9 min
AC$CHROMATOGRAPHY: SOLVENT A water with 2 mM Ammonium bicarbonate
AC$CHROMATOGRAPHY: SOLVENT B methanol with 2 mM Ammmonium bicarbonate

MS$FOCUSED_ION: PRECURSOR_M/Z 380.067027
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-

PK$SPLASH: splash10-001i-0109000000-465e2a1d872557c9d9f8
PK$ANNOTATION: m/z rel.int. formula exact_mass error(ppm) SMILES_of_ion HR_rules
  139.0624 121 [C5H8N4O-H]- 139.062533 0(0.95) N=1C(=NC(=NC1N)C)OC True
  181.9916 12 [C7H7NO3S-3H]- 181.991737 0(0.75) O=CNS(=O)(=O)C=1C=CC=CC1 True
  214.0179 26 [C8H9NO4S-H]- 214.017946 0(0.22) O=C(OC)C=1C=CC=CC1S(=O)(=O)N True
  380.0668 999 [C14H15N5O6S-H]- 380.067034 0(0.62) O=C(OC)C=1C=CC=CC1S(=O)(=O)NC(=O)NC2=NC(=NC(=N2)C)OC True
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  139.0624 33.5 121
  181.9916 3.2 12
  214.0179 7.3 26
  380.0668 276.5 999
//