ACCESSION: MSBNK-BAFG-CSL23111012838
RECORD_TITLE: Trimethoprim; LC-ESI-QTOF; MS2; 30 V
DATE: 2023.11.10
AUTHORS: Kevin S. Jewell; Björn Ehlig; Arne Wick
LICENSE: dl-de/by-2-0
COPYRIGHT: Copyright 2023 Federal Institute of Hydrology, Koblenz, Germany
COMMENT: CONFIDENCE Reference Standard (Level 1)
COMMENT: Chromatography method: dx.doi.org/10.1016/j.chroma.2015.11.014
COMMENT: Acquisition method: 10.1002/rcm.8541

CH$NAME: Trimethoprim
CH$COMPOUND_CLASS: Pharmaceutical
CH$FORMULA: C₁₄H₁₈N₄O₃
CH$EXACT_MASS: 290.1379
CH$SMILES: COC1=CC(=CC(=C1OC)OC)CC2=CN=C(N=C2N)N
CH$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)
CH$LINK: CAS 738-70-5
CH$LINK: INCHIKEY IEDVJHCEMCRBQM-UHFFFAOYSA-N

AC$INSTRUMENT: TripleTOF 5600 SCIEX
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 30
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$CHROMATOGRAPHY: COLUMN_NAME Zorbax Eclipse Plus C18 2.1 mm x 150 mm, 3.5 um, Agilent
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 40 °C
AC$CHROMATOGRAPHY: FLOW_GRADIENT 0 min min 98% A, 1 min 98% A, 2 min 80% A, 16.5 min 2% A, 22 min 2% A, 22.1 min 98% A, 27 min 98% A
AC$CHROMATOGRAPHY: FLOW_RATE 0.3 mL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 5.112 min
AC$CHROMATOGRAPHY: SOLVENT A: Water 0.1% Formic acid, B: Acetonitrile 0.1% Formic acid

MS$FOCUSED_ION: PRECURSOR_M/Z 291.1452
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: COMMENT Export with Spectra 1.9.12 MsBackendMassbank 1.7.4
MS$DATA_PROCESSING: WHOLE RMassBank 2.3.1

PK$SPLASH: splash10-01po-0190000000-2d666261049b3591e8d9
PK$NUM_PEAK: 23
PK$PEAK: m/z int. rel.int.
  81.0447 5.3 16
  110.0583 17.8 54
  123.0667 90.1 275
  181.0866 11.3 34
  187.0986 5.5 16
  201.1142 11.8 36
  202.1202 9.3 28
  229.109 29.9 91
  230.1166 210.6 644
  232.093 6.3 19
  233.103 14.9 45
  245.1023 17.9 54
  246.1116 14.4 44
  247.1186 26.1 79
  257.1032 37.2 113
  258.1114 43.2 132
  259.0862 4.1 12
  259.1199 4.3 13
  260.1235 3.7 11
  261.0985 179.9 550
  275.1143 130.3 398
  276.123 29.8 91
  291.1457 326.6 999
//