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MassBank Record: PR303769

Withanone; LC-ESI-QTOF; MS2

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

ACCESSION: PR303769
RECORD_TITLE: Withanone; LC-ESI-QTOF; MS2
DATE: 2019.03.28
AUTHORS: Tetsuya Mori, Center for Sustainable Resource Science, RIKEN
LICENSE: CC BY-SA NC
PUBLICATION: Tsugawa H., Nakabayashi R., Mori T., Yamada Y., Takahashi M., Rai A., Sugiyama R., Yamamoto H., Nakaya T., Yamazaki M., Kooke R., Bac-Molenaar JA., Oztolan-Erol N., Keurentjes JJB., Arita M., Saito K. (2019) "A cheminformatics approach to characterize metabolomes in stable-isotope-labeled organisms" Nature Methods 16(4):295-298. [doi:10.1038/s41592-019-0358-2]
COMMENT: registered in RIKEN PlaSMA

CH$NAME: Withanone
CH$COMPOUND_CLASS: Withanolides and derivatives
CH$FORMULA: C28H38O6
CH$EXACT_MASS: 470.606
CH$SMILES: C[C@H]([C@H]1CC(C)=C(C)C(=O)O1)[C@@]1(O)CC[C@H]2[C@@H]3[C@@H]4O[C@@H]4[C@@]4(O)CC=CC(=O)[C@]4(C)[C@H]3CC[C@]12C
CH$IUPAC: InChI=1S/C28H38O6/c1-14-13-19(33-24(30)15(14)2)16(3)27(31)12-9-17-21-18(8-11-25(17,27)4)26(5)20(29)7-6-10-28(26,32)23-22(21)34-23/h6-7,16-19,21-23,31-32H,8-13H2,1-5H3/t16-,17+,18+,19-,21+,22+,23+,25+,26+,27+,28+/m1/s1
CH$LINK: INCHIKEY FAZIYUIDUNHZRG-PCTWTJKKSA-N

AC$INSTRUMENT: LC, Waters Acquity UPLC System; MS, Waters Xevo G2 Q-Tof
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 6V
AC$MASS_SPECTROMETRY: DESOLVATION_GAS_FLOW 800/h
AC$MASS_SPECTROMETRY: DESOLVATION_TEMPERATURE 450 C
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$CHROMATOGRAPHY: CAPILLARY_VOLTAGE +3.00 kV
AC$CHROMATOGRAPHY: COLUMN_NAME Acquity bridged ethyl hybrid C18 (1.7 um, 2.1 mm * 100 mm, Waters)
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 40 C
AC$CHROMATOGRAPHY: FLOW_GRADIENT A/B = (99.5%/0.5% at 0 min, 99.5%/0.5% at 0.1 min, 20%/80% at 10 min, 0.5%/99.5% at 10.1 min, 0.5%/99.5% at 12.0 min, 99.5%/0.5% at 12.1 min, 99.5%/0.5% at 15.0 min)
AC$CHROMATOGRAPHY: FLOW_RATE 0.3 ml/min at 0 min, 0.3 ml/min at 10 min, 0.4 ml/min at 10.1 min, 0.4 ml/min at 14.4 min, 0.3 ml/min at 14.5 min
AC$CHROMATOGRAPHY: RETENTION_TIME 6.823534
AC$CHROMATOGRAPHY: SOLVENT A water including 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B acetonitrile including 0.1% formic acid

MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$FOCUSED_ION: PRECURSOR_M/Z 471.2741154

PK$SPLASH: splash10-00di-0250900000-62b8990868492fd8c39e
PK$NUM_PEAK: 12
PK$PEAK: m/z int. rel.int.
  121.10014 185.0 185
  169.09615 185.0 185
  194.10077 196.0 196
  245.16486 196.0 196
  250.86359 217.0 217
  263.15131 185.0 185
  273.11285 239.0 239
  275.14798 196.0 196
  291.17282 207.0 207
  449.98969 283.0 283
  471.26715 717.0 716
  471.28351 1000.0 999
//

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