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MassBank Record: MSBNK-Athens_Univ-AU279701

17-beta-Estradiol; LC-ESI-QTOF; MS2; CE: 10 eV; R=35000; [M+H]+

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

ACCESSION: MSBNK-Athens_Univ-AU279701
RECORD_TITLE: 17-beta-Estradiol; 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 2797

CH$NAME: 17-beta-Estradiol
CH$NAME: Estradiol
CH$NAME: (8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C18H24O2
CH$EXACT_MASS: 272.1776300
CH$SMILES: C[C@]12CC[C@H]3[C@@H](CCC4=CC(O)=CC=C34)[C@@H]1CC[C@@H]2O
CH$IUPAC: InChI=1S/C18H24O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h3,5,10,14-17,19-20H,2,4,6-9H2,1H3/t14-,15-,16+,17+,18+/m1/s1
CH$LINK: CAS 50-28-2
CH$LINK: CHEBI 16469
CH$LINK: KEGG D00105
CH$LINK: LIPIDMAPS LMST02010001
CH$LINK: PUBCHEM CID:5757
CH$LINK: INCHIKEY VOXZDWNPVJITMN-ZBRFXRBCSA-N
CH$LINK: CHEMSPIDER 5554
CH$LINK: COMPTOX DTXSID0020573

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 12.019 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$FOCUSED_ION: BASE_PEAK 370.2371
MS$FOCUSED_ION: PRECURSOR_M/Z 273.1849
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$SPLASH: splash10-00di-0090000000-72ef0774e71285cfcc3d
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  191.0848 C15H11+ 1 191.0855 -4.06
  224.0637 C18H8+ 1 224.0621 7.29
  255.1732 C18H23O+ 1 255.1743 -4.33
  273.184 C18H25O2+ 1 273.1849 -3.36
  274.1871 C17[13]CH25O2+ 1 274.1888 -6.34
  275.19 C16[13]C2H25O2+ 1 275.1922 -7.75
PK$NUM_PEAK: 6
PK$PEAK: m/z int. rel.int.
  191.0848 588 29
  224.0637 2212 111
  255.1732 896 45
  273.184 19792 999
  274.1871 4492 226
  275.19 464 23
//

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