ACCESSION: MSBNK-ACES_SU-AS000267
RECORD_TITLE: Sulfamethoxazole; LC-ESI-QFT; MS2; CE: Ramp 20%-70% (nominal); R=30000; [M-H]-
DATE: 2022.08.15
AUTHORS: ACESx, Jonathan W. Martin Group
LICENSE: CC BY
COPYRIGHT: Stockholm University, ACESx, Jonathan W. Martin Group (C) 2022
COMMENT: CONFIDENCE Standard Compound (Level 1)

CH$NAME: Sulfamethoxazole
CH$NAME: 4-amino-N-(5-methyl-1,2-oxazol-3-yl)benzenesulfonamide
CH$COMPOUND_CLASS: Drugs; Antiinfective Agents; Amines; Aniline Compounds; Sulfanilamides
CH$FORMULA: C₁₀H₁₁N₃O₃S
CH$EXACT_MASS: 253.0521
CH$SMILES: O=S(=O)(NC1=NOC(=C1)C)C2=CC=C(N)C=C2
CH$IUPAC: InChI=1S/C10H11N3O3S/c1-7-6-10(12-16-7)13-17(14,15)9-4-2-8(11)3-5-9/h2-6H,11H2,1H3,(H,12,13)

AC$INSTRUMENT: QExactive Orbitrap HF-X (Thermo Scientific)
AC$INSTRUMENT_TYPE: LC-ESI-QFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY Ramp 20%-70% (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 30000
AC$CHROMATOGRAPHY: COLUMN_NAME Waters; Acquity UPLC BEH C18, 2.1 x 100 mm, 1.7 um, Waters
AC$CHROMATOGRAPHY: FLOW_GRADIENT 98/2 at 4.2 min, 0/100 at 22 min, 0/100 at 25 min, 98/2 at 25.1 min, 98/2 at 30 min
AC$CHROMATOGRAPHY: FLOW_RATE 0.45mL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 8.531200
AC$CHROMATOGRAPHY: UOA_RTI 185.5100
AC$CHROMATOGRAPHY: SOLVENT A 1 mM ammonium fluoride in water
AC$CHROMATOGRAPHY: SOLVENT B MeOH
AC$CHROMATOGRAPHY: COMMENT Coupled to online-solid-phase-extraction with Oasis® HLB (80 Å, 15 um, 2.1 x 20 mm, Waters) with a flow gradient of 98/2 at 0 min, 98/2 at 2.2 min, 0/0 at 4.2 min, 98/5 at 25.1 min, 98/2 at 30 with a flow rate of 0.5 mL/min

MS$FOCUSED_ION: BASE_PEAK 156.01253
MS$FOCUSED_ION: PRECURSOR_M/Z 252.0452
MS$FOCUSED_ION: ION_TYPE [M-H]-
MS$DATA_PROCESSING: WHOLE MS-DIAL

PK$SPLASH: splash10-0a4i-3940000000-4dc602e7e9a4f6cbc187
PK$NUM_PEAK: 6
PK$PEAK: m/z int. rel.int.
  63.96246 11135744 315
  92.05087 3985810 113
  108.04526 402107 11
  108.04616 441820 13
  156.01253 35275008 999
  252.04573 16299264 462
//