MassBank Record: MSBNK-BAFG-CSL2311091288
ACCESSION: MSBNK-BAFG-CSL2311091288
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: splash10-0a6u-0090000000-ea4e31a5260d9bfda175
PK$NUM_PEAK: 15
PK$PEAK: m/z int. rel.int.
137.0467 1.9 60
175.0268 3.6 114
190.0505 3.6 114
201.0286 1.8 57
216.0404 1.7 54
217.0245 2.1 66
218.036 1.8 57
233.0603 3.5 111
243.0528 6.8 216
259.0489 28.3 900
260.0561 9 286
263.1057 2.7 85
275.0793 31.4 999
290.1045 9 286
305.1274 8.5 270
//
system version 2.2.8-SNAPSHOT