ACCESSION: MSBNK-Eawag-EQ319901
RECORD_TITLE: Cortisone; LC-ESI-QFT; MS2; CE: 15; R=35000; [M+H]+
DATE: 2015.08.25
AUTHORS: Beck B, Stravs M, Schymanski E, Singer H, Department of Environmental Chemistry, Eawag
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2015 Eawag, Duebendorf, Switzerland
COMMENT: CONFIDENCE standard compound
COMMENT: EAWAG_UCHEM_ID 3199
CH$NAME: Cortisone
CH$NAME: 17,21-Dihydroxypregn-4-ene-3,11,20-trione
CH$NAME: (8S,9S,10R,13S,14S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-1,2,6,7,8,9,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,11-dione
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C21H28O5
CH$EXACT_MASS: 360.19367
CH$SMILES: O=C(CO)[C@@]3(O)CC[C@H]2[C@@H]4CC\C1=C\C(=O)CC[C@]1(C)[C@H]4C(=O)C[C@@]23C
CH$IUPAC: InChI=1S/C21H28O5/c1-19-7-5-13(23)9-12(19)3-4-14-15-6-8-21(26,17(25)11-22)20(15,2)10-16(24)18(14)19/h9,14-15,18,22,26H,3-8,10-11H2,1-2H3/t14-,15-,18+,19-,20-,21-/m0/s1
CH$LINK: CAS
53-06-5
CH$LINK: CHEBI
16962
CH$LINK: KEGG
C00762
CH$LINK: LIPIDMAPS
LMST02030090
CH$LINK: PUBCHEM
CID:222786
CH$LINK: INCHIKEY
MFYSYFVPBJMHGN-ZPOLXVRWSA-N
CH$LINK: CHEMSPIDER
193441
CH$LINK: COMPTOX
DTXSID5022857
AC$INSTRUMENT: Q Exactive Plus Orbitrap Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-QFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 15 (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 35000
AC$CHROMATOGRAPHY: COLUMN_NAME XBridge C18 3.5um, 2.1x50mm, Waters
AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0 min, 50/50 at 4 min, 5/95 at 17 min, 5/95 at 25 min, 90/10 at 25.1 min, 90/10 at 30 min
AC$CHROMATOGRAPHY: FLOW_RATE 200 ul/min
AC$CHROMATOGRAPHY: RETENTION_TIME 7.3 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid
MS$FOCUSED_ION: BASE_PEAK 361.2008
MS$FOCUSED_ION: PRECURSOR_M/Z 361.201
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: RECALIBRATE loess on assigned fragments and MS1
MS$DATA_PROCESSING: REANALYZE Peaks with additional N2/O included
MS$DATA_PROCESSING: WHOLE RMassBank 1.9.6
PK$SPLASH: splash10-03di-0009000000-168dd290e0b6d2c0283d
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
121.0643 C8H9O+ 1 121.0648 -3.98
163.1116 C11H15O+ 1 163.1117 -0.75
283.169 C19H23O2+ 1 283.1693 -0.8
285.1841 C19H25O2+ 1 285.1849 -2.9
301.1807 C19H25O3+ 1 301.1798 2.79
307.17 C21H23O2+ 1 307.1693 2.39
313.1808 C20H25O3+ 1 313.1798 3.13
325.1792 C21H25O3+ 1 325.1798 -1.97
343.1904 C21H27O4+ 1 343.1904 0.07
361.2009 C21H29O5+ 1 361.201 -0.17
PK$NUM_PEAK: 10
PK$PEAK: m/z int. rel.int.
121.0643 438333.7 1
163.1116 3371673.5 7
283.169 659115.9 1
285.1841 552167.9 1
301.1807 729041.7 1
307.17 483431.4 1
313.1808 690907.4 1
325.1792 1051182.8 2
343.1904 3999215.2 9
361.2009 423542432 999
//
