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MassBank Record: PR310388

Withanone; LC-ESI-QTOF; MS2

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

ACCESSION: PR310388
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: Annotation level-1

CH$NAME: Withanone
CH$COMPOUND_CLASS: Withanolides and derivatives
CH$FORMULA: C28H38O6
CH$EXACT_MASS: 470.606
CH$SMILES: CC(C1CC(C)=C(C)C(=O)O1)C1(O)CCC2C3C4OC4C4(O)CC=CC(=O)C4(C)C3CCC12C
CH$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
CH$LINK: INCHIKEY FAZIYUIDUNHZRG-UHFFFAOYSA-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 NEGATIVE
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$CHROMATOGRAPHY: CAPILLARY_VOLTAGE -2.75 kV
AC$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 6.82
AC$CHROMATOGRAPHY: SOLVENT A water including 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B acetonitrile including 0.1% formic acid

MS$FOCUSED_ION: ION_TYPE [M+H]+
MS$FOCUSED_ION: PRECURSOR_M/Z 471.27412

PK$SPLASH: splash10-00yi-2550900000-ff89056fc61a522beaae
PK$NUM_PEAK: 10
PK$PEAK: m/z int. rel.int.
  68.06053 24.0 421
  153.09654 20.0 351
  171.07501 20.0 351
  181.09505 21.0 368
  220.09355 22.0 386
  263.13885 18.0 315
  283.15988 31.0 543
  417.25351 27.0 473
  435.2543 24.0 421
  471.27539 57.0 999
//

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