ACCESSION: MSBNK-BAFG-CSL2311091287
RECORD_TITLE: 4-Hydroxytrimethoprim; LC-ESI-QTOF; MS2; 40 V
DATE: 2023.11.09
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$NAME: 4-Hydroxytrimethoprim
CH$COMPOUND_CLASS: Pharmaceutical; Transformation_product
CH$FORMULA: C₁₄H₁₈N₄O₄
CH$EXACT_MASS: 306.1328
CH$SMILES: COc1cc(cc(c1OC)OC)Cc2c(nc(nc2O)N)N
CH$IUPAC: InChI=1S/C14H18N4O4/c1-20-9-5-7(6-10(21-2)11(9)22-3)4-8-12(15)17-14(16)18-13(8)19/h5-6H,4H2,1-3H3,(H5,15,16,17,18,19)
CH$LINK: CAS 112678-48-5
CH$LINK: INCHIKEY FYJKTYLNKCUCLP-UHFFFAOYSA-N

AC$INSTRUMENT: TripleTOF 5600 SCIEX
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 40
AC$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 5.43 min
AC$CHROMATOGRAPHY: SOLVENT A: Water 0.1% Formic acid, B: Acetonitrile 0.1% Formic acid

MS$FOCUSED_ION: PRECURSOR_M/Z 305.1255
MS$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$SPLASH: splash10-0a6r-0090000000-f0c434f81feb445fd60d
PK$NUM_PEAK: 10
PK$PEAK: m/z int. rel.int.
  137.047 3.2 51
  175.0279 6.1 97
  190.0512 7.9 126
  218.0336 4.9 78
  233.0583 10.3 164
  242.0445 3.2 51
  243.0538 15.2 243
  259.0479 62.4 999
  260.0563 22.8 365
  275.0802 40.6 649
//