MassBank Record: AU281501

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11-Ketotestosterone; LC-ESI-QTOF; MS2; CE: 10 eV; R=35000; [M+H]+

Mass Spectrum
Chemical Structure
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ACCESSION: AU281501
RECORD_TITLE: 11-Ketotestosterone; LC-ESI-QTOF; MS2; CE: 10 eV; R=35000; [M+H]+
DATE: 2019.05.31
AUTHORS: Nikiforos Alygizakis, Katerina Galani, Nikolaos Thomaidis, University of Athens
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2019 Department of Chemistry, University of Athens
COMMENT: CONFIDENCE standard compound
COMMENT: INTERNAL_ID 2815

CH$NAME: 11-Ketotestosterone
CH$NAME: (8S,9S,10R,13S,14S,17S)-17-hydroxy-10,13-dimethyl-2,6,7,8,9,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthrene-3,11-dione
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C19H26O3
CH$EXACT_MASS: 302.1881947
CH$SMILES: C[C@]12CC(=O)[C@H]3[C@@H](CCC4=CC(=O)CC[C@]34C)[C@@H]1CC[C@@H]2O
CH$IUPAC: InChI=1S/C19H26O3/c1-18-8-7-12(20)9-11(18)3-4-13-14-5-6-16(22)19(14,2)10-15(21)17(13)18/h9,13-14,16-17,22H,3-8,10H2,1-2H3/t13-,14-,16-,17+,18-,19-/m0/s1
CH$LINK: CAS 564-35-2
CH$LINK: CHEBI 34133
CH$LINK: KEGG C14256
CH$LINK: PUBCHEM CID:5282365
CH$LINK: INCHIKEY WTPMRQZHJLJSBO-XQALERBDSA-N
CH$LINK: CHEMSPIDER 4445528
CH$LINK: COMPTOX DTXSID8036499

AC$INSTRUMENT: Bruker maXis Impact
AC$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 35000
AC$CHROMATOGRAPHY: COLUMN_NAME Acclaim RSLC C18 2.2um, 2.1x100mm, Thermo
AC$CHROMATOGRAPHY: FLOW_GRADIENT 99/1 at 0-1 min, 61/39 at 3 min, 0.1/99.9 at 14-16 min, 99/1 at 16.1-20 min
AC$CHROMATOGRAPHY: FLOW_RATE 200 uL/min at 0-3 min, 400 uL/min at 14 min, 480 uL/min at 16-19 min, 200 uL/min at 19.1-20 min
AC$CHROMATOGRAPHY: RETENTION_TIME 7.904 min
AC$CHROMATOGRAPHY: SOLVENT A 90:10 water:methanol with 0.01% formic acid and 5mM ammonium formate
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.01% formic acid and 5mM ammonium formate

MS$FOCUSED_ION: BASE_PEAK 303.1952
MS$FOCUSED_ION: PRECURSOR_M/Z 303.1955
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: RECALIBRATE identity on assigned fragments and MS1
MS$DATA_PROCESSING: WHOLE RMassBank 2.10.1

PK$SPLASH: splash10-0udi-0009000000-4133cd8c47048c2fa6b5
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  267.1737 C19H23O+ 1 267.1743 -2.35
  303.1955 C19H27O3+ 1 303.1955 0.08
  304.1989 C18[13]CH27O3+ 1 304.1994 -1.51
  305.201 C17[13]C2H27O3+ 1 305.2027 -5.67
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  267.1737 3504 5
  303.1955 660648 999
  304.1989 125448 189
  305.201 15408 23
//