ACCESSION: MSBNK-Eawag-EQ00358504
RECORD_TITLE: Letrozole; LC-ESI-QFT; MS2; CE: 30%; R=15000; [M+H]+
DATE: 2024.06.14
AUTHORS: B. Beck [dtc], J. Bosshard [dtc], H. Singer [dtc], A. Dax [com]
LICENSE: CC BY-SA
COPYRIGHT: Copyright (C) Eawag 2024
COMMENT: CONFIDENCE standard compound
COMMENT: UCHEM_ID 3585
CH$NAME: Letrozole
CH$NAME: 4-[(4-cyanophenyl)-(1,2,4-triazol-1-yl)methyl]benzonitrile
CH$COMPOUND_CLASS: N/A
CH$FORMULA: C17H11N5
CH$EXACT_MASS: 285.1014454
CH$SMILES: C1=CC(=CC=C1C#N)C(C2=CC=C(C=C2)C#N)N3C=NC=N3
CH$IUPAC: InChI=1S/C17H11N5/c18-9-13-1-5-15(6-2-13)17(22-12-20-11-21-22)16-7-3-14(10-19)4-8-16/h1-8,11-12,17H
CH$LINK: CAS 112809-51-5
CH$LINK: CHEBI 6413
CH$LINK: KEGG D00964
CH$LINK: PUBCHEM CID:3902
CH$LINK: INCHIKEY HPJKCIUCZWXJDR-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 3765
AC$INSTRUMENT: Exploris 240 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 30 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 15000
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 50-313
AC$CHROMATOGRAPHY: COLUMN_NAME XBridge C18 3.5um, 2.1x50mm, Waters
AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0 min, 50/50 at 4 min, 5/95 at 17 min, 5/95 at 25 min, 90/10 at 25.1 min, 90/10 at 30 min
AC$CHROMATOGRAPHY: FLOW_RATE 200 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 5.301 min
MS$FOCUSED_ION: BASE_PEAK 286.1083
MS$FOCUSED_ION: PRECURSOR_M/Z 286.1087
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: RECALIBRATE loess on assigned fragments and MS1
MS$DATA_PROCESSING: REANALYZE Peaks with additional N2/O included
MS$DATA_PROCESSING: WHOLE RMassBank 3.15.1.1
PK$SPLASH: splash10-00kf-0980000000-db196723a4d62d26e455
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  177.0573 C13H7N+ 1 177.0573 -0.04
  190.0649 C14H8N+ 1 190.0651 -0.96
  202.0776 C16H10+ 1 202.0777 -0.69
  215.0602 C15H7N2+ 1 215.0604 -0.87
  216.0678 C15H8N2+ 1 216.0682 -1.64
  217.0759 C15H9N2+ 1 217.076 -0.5
PK$NUM_PEAK: 6
PK$PEAK: m/z int. rel.int.
  177.0573 7044237.5 38
  190.0649 181232000 999
  202.0776 22601598 124
  215.0602 35249612 194
  216.0678 11581695 63
  217.0759 108169056 596
//
