ACCESSION: MSBNK-Antwerp_Univ-METOX_N100317_9EE2
RECORD_TITLE: Epitestosterone; LC-ESI-QTOF; MS2; CE: 10eV; R=7000; [M+Na]+
DATE: 2022.04.07
AUTHORS: da Silva KM, Iturrospe E, van de Lavoir M, Robeyns R, University of Antwerp, Belgium
LICENSE: CC BY
COPYRIGHT: Copyright (c) 2021 by Toxicological Center, University of Antwerp, Wilrijk, Belgium
COMMENT: CONFIDENCE Standard compound
COMMENT: INTERNAL_ID 1003

CH$NAME: Epitestosterone
CH$NAME: (8R,9S,10R,13S,14S,17R)-17-hydroxy-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
CH$COMPOUND_CLASS: N/A; Metabolomics Standard
CH$FORMULA: C₁₉H₂₈O₂
CH$EXACT_MASS: 288.2089
CH$SMILES: C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@H]2O)CCC4=CC(=O)CC[C@]34C
CH$IUPAC: InChI=1S/C19H28O2/c1-18-9-7-13(20)11-12(18)3-4-14-15-5-6-17(21)19(15,2)10-8-16(14)18/h11,14-17,21H,3-10H2,1-2H3/t14-,15-,16-,17+,18-,19-/m0/s1
CH$LINK: CAS 481-30-1
CH$LINK: CHEBI 42534
CH$LINK: LIPIDMAPS LMST02020051
CH$LINK: PUBCHEM CID:10204
CH$LINK: INCHIKEY MUMGGOZAMZWBJJ-KZYORJDKSA-N
CH$LINK: CHEMSPIDER 9789

AC$INSTRUMENT: Agilent 6560 QTOF
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 10 eV
AC$MASS_SPECTROMETRY: RESOLUTION 7000
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 94-313
AC$CHROMATOGRAPHY: COLUMN_NAME Direct injection
AC$CHROMATOGRAPHY: FLOW_GRADIENT 50/50 isocratic
AC$CHROMATOGRAPHY: FLOW_RATE 200 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 0.183 min
AC$CHROMATOGRAPHY: SOLVENT A 30/70 acetonitrile/water with 2mM ammonium acetate + 0.1% acetic acid
AC$CHROMATOGRAPHY: SOLVENT B 88/10/2 isopropanol/acetonitrile/water with 2mM ammonium acetate + 0.1% acetic acid

MS$FOCUSED_ION: BASE_PEAK 289.2166
MS$FOCUSED_ION: PRECURSOR_M/Z 311.1982
MS$FOCUSED_ION: PRECURSOR_TYPE [M+Na]+
MS$FOCUSED_ION: PRECURSOR_INTENSITY 14124
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 3.5.2.1

PK$SPLASH: splash10-03di-0009000000-0c6292d3276885cf0d1f
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  135.0438 C8H7O2+ 2 135.0441 -2.09
  251.1777 C17H24Na+ 2 251.177 2.74
  311.1986 C19H28NaO2+ 1 311.1982 1.52
PK$NUM_PEAK: 3
PK$PEAK: m/z int. rel.int.
  135.0438 71 24
  251.1777 36.2 12
  311.1986 2848.5 999
//