ACCESSION: MSBNK-UFZ-WANA227101AD6CPH
RECORD_TITLE: Dydrogesterone; LC-ESI-ITFT; MS2; CE: 10%; 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$NAME: Dydrogesterone
CH$NAME: (8S,9R,10S,13S,14S,17S)-17-acetyl-10,13-dimethyl-1,2,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₂₁H₂₈O₂
CH$EXACT_MASS: 312.208930136
CH$SMILES: [H][C@@]12CC[C@H](C(C)=O)[C@@]1(C)CC[C@]1([H])[C@@]2([H])C=CC2=CC(=O)CC[C@@]12C
CH$IUPAC: InChI=1S/C21H28O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h4-5,12,16-19H,6-11H2,1-3H3/t16-,17+,18-,19+,20+,21+/m0/s1
CH$LINK: CAS 152-62-5
CH$LINK: CHEBI 31527
CH$LINK: KEGG D01217
CH$LINK: PUBCHEM CID:9051
CH$LINK: INCHIKEY JGMOKGBVKVMRFX-HQZYFCCVSA-N
CH$LINK: CHEMSPIDER 8699
CH$LINK: COMPTOX DTXSID1022974

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$MASS_SPECTROMETRY: COLLISION_ENERGY 10 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 15000
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 50-325
AC$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 12.022 min

MS$FOCUSED_ION: BASE_PEAK 313.2162
MS$FOCUSED_ION: PRECURSOR_M/Z 313.2162
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$FOCUSED_ION: PRECURSOR_INTENSITY 14193134
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$SPLASH: splash10-03di-0009000000-dbfa14a34dfdbee087bb
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  295.205 C21H27O+ 1 295.2056 -2.29
  313.2153 C21H29O2+ 1 313.2162 -2.93
PK$NUM_PEAK: 2
PK$PEAK: m/z int. rel.int.
  295.205 23281.2 41
  313.2153 567157.2 999
//