ACCESSION: MSBNK-UFZ-WANA050905070APH
RECORD_TITLE: Finasteride; LC-ESI-ITFT; MS2; CE: 30%; R=15000; [M+H]+
DATE: 2023.08.12
AUTHORS: Tobias Schulze, Martin Krauss, Department of Effect-Directed Analysis, Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany
LICENSE: CC0
COPYRIGHT: Copyright (C) 2023
COMMENT: CONFIDENCE Reference Standard (Level 1)

CH$NAME: Finasteride
CH$NAME: (1S,3aS,3bS,5aR,9aR,9bS,11aS)-N-tert-butyl-9a,11a-dimethyl-7-oxo-1,2,3,3a,3b,4,5,5a,6,9b,10,11-dodecahydroindeno[5,4-f]quinoline-1-carboxamide
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₂₃H₃₆N₂O₂
CH$EXACT_MASS: 372.277678392
CH$SMILES: CC(C)(C)NC(=O)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4NC(=O)C=C[C@]4(C)[C@H]3CC[C@]12C
CH$IUPAC: InChI=1S/C23H36N2O2/c1-21(2,3)25-20(27)17-8-7-15-14-6-9-18-23(5,13-11-19(26)24-18)16(14)10-12-22(15,17)4/h11,13-18H,6-10,12H2,1-5H3,(H,24,26)(H,25,27)/t14-,15-,16-,17+,18+,22-,23+/m0/s1
CH$LINK: CAS 98319-26-7
CH$LINK: CHEBI 5062
CH$LINK: KEGG D00321
CH$LINK: PUBCHEM CID:57363
CH$LINK: INCHIKEY DBEPLOCGEIEOCV-WSBQPABSSA-N
CH$LINK: CHEMSPIDER 51714
CH$LINK: COMPTOX DTXSID3020625

AC$INSTRUMENT: LTQ Orbitrap XL Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-ITFT
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$MASS_SPECTROMETRY: MASS_RANGE_M/Z 50-385
AC$CHROMATOGRAPHY: COLUMN_NAME Kinetex Evo C18 2.6 um 50 x 2.1 mm
AC$CHROMATOGRAPHY: FLOW_GRADIENT 95/5 at 0 min, 95/5 at 1 min, 0/100 at 13 min, 0/100 at 24 min, 95/5 at 24.3 min, 95/5 at 32 min
AC$CHROMATOGRAPHY: FLOW_RATE 300 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 11.782 min

MS$FOCUSED_ION: BASE_PEAK 373.2857
MS$FOCUSED_ION: PRECURSOR_M/Z 373.285
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$FOCUSED_ION: PRECURSOR_INTENSITY 47412944
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 3.11.2

PK$SPLASH: splash10-00di-0009000000-a855604322668102d698
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  158.2842 C9H36N+ 1 158.2842 0.01
  305.2595 C19H33N2O+ 1 305.2587 2.64
  373.2846 C23H37N2O2+ 1 373.285 -0.98
PK$NUM_PEAK: 3
PK$PEAK: m/z int. rel.int.
  158.2842 29579.6 2
  305.2595 46987.8 3
  373.2846 12285086 999
//