ACCESSION: MSBNK-Athens_Univ-AU281601
RECORD_TITLE: 17alpha-Methyltestosterone; 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 2816

CH$NAME: 17alpha-Methyltestosterone
CH$NAME: Methyltestosterone
CH$NAME: (8R,9S,10R,13S,14S,17S)-17-hydroxy-10,13,17-trimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₂₀H₃₀O₂
CH$EXACT_MASS: 302.2245802
CH$SMILES: C[C@]1(O)CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C
CH$IUPAC: InChI=1S/C20H30O2/c1-18-9-6-14(21)12-13(18)4-5-15-16(18)7-10-19(2)17(15)8-11-20(19,3)22/h12,15-17,22H,4-11H2,1-3H3/t15-,16+,17+,18+,19+,20+/m1/s1
CH$LINK: CAS 58-18-4
CH$LINK: CHEBI 27436
CH$LINK: KEGG C07198
CH$LINK: LIPIDMAPS LMST02020029
CH$LINK: PUBCHEM CID:6010
CH$LINK: INCHIKEY GCKMFJBGXUYNAG-HLXURNFRSA-N
CH$LINK: CHEMSPIDER 5788
CH$LINK: COMPTOX DTXSID1033664

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 10.313 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$FOCUSED_ION: BASE_PEAK 303.2317
MS$FOCUSED_ION: PRECURSOR_M/Z 303.2319
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$SPLASH: splash10-0udi-0009000000-ae79c4e9732d83ed38d9
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  285.2204 C20H29O+ 1 285.2213 -3.11
  303.2324 C20H31O2+ 1 303.2319 1.74
  304.2352 C19[13]CH31O2+ 1 304.2358 -1.91
  305.2384 C18[13]C2H31O2+ 1 305.2391 -2.44
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  285.2204 35528 16
  303.2324 2204748 999
  304.2352 542900 245
  305.2384 42720 19
//