ACCESSION: MSBNK-RIKEN-PR305426
RECORD_TITLE: Madecassoside; 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$NAME: Madecassoside
CH$COMPOUND_CLASS: Triterpene saponins
CH$FORMULA: C₄₈H₇₈O₂₀
CH$EXACT_MASS: 975.132
CH$SMILES: CC1CCC2(CCC3(C)C(=CCC4C5(C)CC(O)C(O)C(C)(CO)C5C(O)CC34C)C2C1C)C(=O)OC1OC(COC2OC(CO)C(OC3OC(C)C(O)C(O)C3O)C(O)C2O)C(O)C(O)C1O
CH$IUPAC: InChI=1S/C48H78O20/c1-19-10-11-48(13-12-46(6)22(28(48)20(19)2)8-9-27-44(4)14-24(52)39(61)45(5,18-50)38(44)23(51)15-47(27,46)7)43(62)68-42-35(59)32(56)30(54)26(66-42)17-63-40-36(60)33(57)37(25(16-49)65-40)67-41-34(58)31(55)29(53)21(3)64-41/h8,19-21,23-42,49-61H,9-18H2,1-7H3
CH$LINK: INCHIKEY BNMGUJRJUUDLHW-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 4.893667
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 1019.50684775183

PK$SPLASH: splash10-00xr-0000710009-3665bbfbc0e5b3c0efe7
PK$NUM_PEAK: 35
PK$PEAK: m/z int. rel.int.
  101.02234 15.0 15
  125.01815 11.0 11
  125.02388 7.0 7
  143.02719 7.0 7
  143.03407 10.0 10
  161.04353 74.0 74
  163.06073 15.0 15
  247.0791 33.0 33
  247.09236 7.0 7
  265.08328 14.0 14
  265.0918 30.0 30
  266.10202 5.0 5
  323.09473 27.0 27
  324.10107 7.0 7
  325.1134 16.0 16
  325.12482 6.0 6
  367.12079 42.0 42
  367.13754 5.0 5
  368.13116 5.0 5
  409.13559 20.0 20
  451.14322 9.0 9
  469.15494 1000.0 999
  470.09726 6.0 6
  470.15863 153.0 153
  471.14853 12.0 12
  471.17023 22.0 22
  472.15982 7.0 7
  503.33725 209.0 209
  504.33499 41.0 41
  504.34937 24.0 24
  973.50293 877.0 876
  974.50507 441.0 441
  975.50696 132.0 132
  976.50116 22.0 22
  977.50281 6.0 6
//