ACCESSION: MSBNK-UFZ-WANA2429155BE0PH
RECORD_TITLE: Megestrol-17-acetate; LC-ESI-ITFT; MS2; CE: 60%; 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$NAME: Megestrol-17-acetate
CH$NAME: Megestrol acetate
CH$NAME: [(8R,9S,10R,13S,14S,17R)-17-acetyl-6,10,13-trimethyl-3-oxo-2,8,9,11,12,14,15,16-octahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₂₄H₃₂O₄
CH$EXACT_MASS: 384.230059504
CH$SMILES: CC(=O)O[C@@]1(CC[C@H]2[C@@H]3C=C(C)C4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C)C(C)=O
CH$IUPAC: InChI=1S/C24H32O4/c1-14-12-18-19(22(4)9-6-17(27)13-21(14)22)7-10-23(5)20(18)8-11-24(23,15(2)25)28-16(3)26/h12-13,18-20H,6-11H2,1-5H3/t18-,19+,20+,22-,23+,24+/m1/s1
CH$LINK: CAS 595-33-5
CH$LINK: CHEBI 6723
CH$LINK: KEGG D00952
CH$LINK: LIPIDMAPS LMST02030118
CH$LINK: PUBCHEM CID:11683
CH$LINK: INCHIKEY RQZAXGRLVPAYTJ-GQFGMJRRSA-N
CH$LINK: CHEMSPIDER 11192
CH$LINK: COMPTOX DTXSID9040683

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$MASS_SPECTROMETRY: COLLISION_ENERGY 60 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 15000
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 50-400
AC$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 12.314 min

MS$FOCUSED_ION: BASE_PEAK 315.232
MS$FOCUSED_ION: PRECURSOR_M/Z 385.2373
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$FOCUSED_ION: PRECURSOR_INTENSITY 15853760
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$SPLASH: splash10-00di-0090000000-df4780d7e5bbc9cf1efc
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
224.1562 C17H20+ 1 224.156 1.04
PK$NUM_PEAK: 1
PK$PEAK: m/z int. rel.int.
224.1562 1285.4 999
//