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MassBank Record: MSBNK-ACES_SU-AS000209

Trimethoprim; LC-ESI-QFT; MS2; CE: Ramp 20%-70% (nominal); R=30000; [M+H]+

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

ACCESSION: MSBNK-ACES_SU-AS000209
RECORD_TITLE: Trimethoprim; 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$NAME: Trimethoprim
CH$NAME: 5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidine-2,4-diamine
CH$COMPOUND_CLASS: Drugs; Antiinfective Agents; Amines; Aminopyridines; Cytochrome P-450 Enzyme Inhibitors; Cytochrome P-450 CYP2C8 Inhibitors
CH$FORMULA: C14H18N4O3
CH$EXACT_MASS: 290.1379
CH$SMILES: N=1C=C(C(=NC1N)N)CC2=CC(OC)=C(OC)C(OC)=C2
CH$IUPAC: InChI=1S/C14H18N4O3/c1-19-10-5-8(6-11(20-2)12(10)21-3)4-9-7-17-14(16)18-13(9)15/h5-7H,4H2,1-3H3,(H4,15,16,17,18)

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 POSITIVE
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 9.657400
AC$CHROMATOGRAPHY: UOA_RTI 288.9200
AC$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$FOCUSED_ION: BASE_PEAK NA
MS$FOCUSED_ION: PRECURSOR_M/Z NA
MS$FOCUSED_ION: ION_TYPE [M+H]+
MS$DATA_PROCESSING: WHOLE MS-DIAL

PK$SPLASH: splash10-0006-0190000000-3a752ba8ce55236d9354
PK$NUM_PEAK: 23
PK$PEAK: m/z int. rel.int.
  81.04471 58020864 49
  110.05907 33525248 29
  111.06647 28568320 24
  123.04424 18210304 16
  123.06696 171621888 146
  124.0744 14634240 12
  137.06021 11950848 10
  151.03897 16467456 14
  174.06668 16015872 14
  187.09814 28395520 24
  201.11317 51303168 44
  229.10901 83607040 71
  230.11618 27031808 23
  231.08804 12559872 11
  232.09645 29869824 25
  233.10384 54134272 46
  245.10381 49946624 43
  247.08292 20877568 18
  257.10446 72743168 62
  259.08377 15184384 13
  261.099 84119296 72
  275.11356 51609344 44
  291.14633 1171599360 999
//

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