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MassBank Record: MSBNK-Antwerp_Univ-METOX_N103231_3B51

Corticosterone; LC-ESI-QTOF; MS2; CE: 10eV; R=7000; [M+CH3COO]-

Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk)

ACCESSION: MSBNK-Antwerp_Univ-METOX_N103231_3B51
RECORD_TITLE: Corticosterone; LC-ESI-QTOF; MS2; CE: 10eV; R=7000; [M+CH3COO]-
DATE: 2022.04.09
AUTHORS: da Silva KM, Iturrospe E, van de Lavoir M, Robeyns R, University of Antwerp, Belgium
LICENSE: CC BY
COPYRIGHT: Copyright (c) 2021 by Toxicological Center, University of Antwerp, Wilrijk, Belgium
COMMENT: CONFIDENCE Standard compound
COMMENT: INTERNAL_ID 1032

CH$NAME: Corticosterone
CH$NAME: (8S,9S,10R,11S,13S,14S,17S)-11-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
CH$COMPOUND_CLASS: N/A; Metabolomics Standard
CH$FORMULA: C21H30O4
CH$EXACT_MASS: 346.2144
CH$SMILES: C[C@]12CCC(=O)C=C1CC[C@@H]3[C@@H]2[C@H](C[C@]4([C@H]3CC[C@@H]4C(=O)CO)C)O
CH$IUPAC: InChI=1S/C21H30O4/c1-20-8-7-13(23)9-12(20)3-4-14-15-5-6-16(18(25)11-22)21(15,2)10-17(24)19(14)20/h9,14-17,19,22,24H,3-8,10-11H2,1-2H3/t14-,15-,16+,17-,19+,20-,21-/m0/s1
CH$LINK: CAS 50-22-6
CH$LINK: CHEBI 16827
CH$LINK: KEGG C02140
CH$LINK: LIPIDMAPS LMST02030186
CH$LINK: PUBCHEM CID:5753
CH$LINK: INCHIKEY OMFXVFTZEKFJBZ-HJTSIMOOSA-N
CH$LINK: CHEMSPIDER 5550

AC$INSTRUMENT: Agilent 6560 QTOF
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 10 eV
AC$MASS_SPECTROMETRY: RESOLUTION 7000
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 71-1670
AC$CHROMATOGRAPHY: COLUMN_NAME N/A
AC$CHROMATOGRAPHY: FLOW_GRADIENT 50/50 isocratic
AC$CHROMATOGRAPHY: FLOW_RATE 200 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 0.164 min
AC$CHROMATOGRAPHY: SOLVENT A 30/70 acetonitrile/water with 2mM ammonium acetate
AC$CHROMATOGRAPHY: SOLVENT B 88/10/2 isopropanol/acetonitrile/water with 2mM ammonium acetate

MS$FOCUSED_ION: BASE_PEAK 405.2295
MS$FOCUSED_ION: PRECURSOR_M/Z 405.2283
MS$FOCUSED_ION: PRECURSOR_TYPE [M+CH3COO]-
MS$FOCUSED_ION: PRECURSOR_INTENSITY 31492
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 3.5.2.1

PK$SPLASH: splash10-0002-0009200000-b60285a7bedf89868ec2
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  184.1213 C14H16- 1 184.1257 -24.35
  186.0369 C11H6O3- 1 186.0322 24.77
  241.1589 C17H21O- 1 241.1598 -3.82
  268.1766 C19H24O- 1 268.1833 -24.66
  268.2002 C16H28O3- 1 268.2044 -15.68
  327.1987 C21H27O3- 1 327.1966 6.39
  328.2032 C21H28O3- 1 328.2044 -3.49
  341.0388 C21H9O5- 1 341.0455 -19.71
  343.9703 C22O5- 1 343.9751 -14.09
  345.208 C21H29O4- 1 345.2071 2.64
  346.2086 C21H30O4- 1 346.215 -18.26
  405.231 C23H33O6- 1 405.2283 6.82
PK$NUM_PEAK: 12
PK$PEAK: m/z int. rel.int.
  184.1213 51 30
  186.0369 32 19
  241.1589 83 49
  268.1766 85.5 50
  268.2002 33.7 20
  327.1987 238.6 141
  328.2032 73.5 43
  341.0388 31.4 18
  343.9703 22.2 13
  345.208 1679.6 999
  346.2086 223.2 132
  405.231 662.9 394
//

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