ACCESSION: MSBNK-RIKEN-PR308548
RECORD_TITLE: Digitonin; LC-ESI-QTOF; MS2
DATE: 2019.03.28
AUTHORS: Tetsuya Mori, Center for Sustainable Resource Science, RIKEN
LICENSE: CC BY-NC-SA
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$NAME: Digitonin
CH$COMPOUND_CLASS: Steroidal saponins
CH$FORMULA: C₅₆H₉₂O₂₉
CH$EXACT_MASS: 1229.323
CH$SMILES: CC1C2C(OC11CCC(C)CO1)C(O)C1C3CCC4CC(OC5OC(CO)C(OC6OC(CO)C(O)C(OC7OCC(O)C(O)C7O)C6OC6OC(CO)C(O)C(OC7OC(CO)C(O)C(O)C7O)C6O)C(O)C5O)C(O)CC4(C)C3CCC21C
CH$IUPAC: InChI=1S/C56H92O29/c1-19-7-10-56(75-17-19)20(2)31-45(85-56)37(67)32-22-6-5-21-11-26(24(61)12-55(21,4)23(22)8-9-54(31,32)3)76-50-42(72)39(69)44(30(16-60)80-50)81-53-48(47(36(66)29(15-59)79-53)83-49-40(70)33(63)25(62)18-74-49)84-52-43(73)46(35(65)28(14-58)78-52)82-51-41(71)38(68)34(64)27(13-57)77-51/h19-53,57-73H,5-18H2,1-4H3
CH$LINK: INCHIKEY UVYVLBIGDKGWPX-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 6.9815
AC$CHROMATOGRAPHY: SOLVENT A water including 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B acetonitrile including 0.1% formic acid

MS$FOCUSED_ION: PRECURSOR_TYPE [M+HCOO]-
MS$FOCUSED_ION: PRECURSOR_M/Z 1273.57062985183

PK$SPLASH: splash10-0fb9-5290002105-29fae8e2f60c3ec690e9
PK$NUM_PEAK: 155
PK$PEAK: m/z int. rel.int.
  87.01034 6.0 6
  89.02482 23.0 23
  90.02839 5.0 5
  97.02786 6.0 6
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  106.35843 5.0 5
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  114.03295 6.0 6
  115.03706 6.0 6
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  125.02111 60.0 60
  125.0307 9.0 9
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  143.02556 10.0 10
  143.03453 48.0 48
  149.04628 12.0 12
  161.04079 70.0 70
  161.05318 19.0 19
  169.03581 13.0 13
  173.0511 6.0 6
  179.05342 15.0 15
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  181.05019 7.0 7
  182.04747 5.0 5
  203.05612 13.0 13
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  275.07455 17.0 17
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//