ACCESSION: MSBNK-RIKEN-PR305438
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$SPLASH: splash10-00xr-4000310009-895bc264e936096c1250
PK$NUM_PEAK: 29
PK$PEAK: m/z int. rel.int.
  101.02404 17.0 17
  125.02264 21.0 21
  143.03186 9.0 9
  161.0439 96.0 96
  162.04829 7.0 7
  163.06305 20.0 20
  221.07335 11.0 11
  247.08232 68.0 68
  265.09088 37.0 37
  289.52313 6.0 6
  323.09784 34.0 34
  367.11276 12.0 12
  367.12292 30.0 30
  368.12463 13.0 13
  409.12802 10.0 10
  469.15613 527.0 526
  470.15561 45.0 45
  470.18033 6.0 6
  471.16949 6.0 6
  503.33728 257.0 257
  504.34293 79.0 79
  505.31937 9.0 9
  505.35336 10.0 10
  973.50055 1000.0 999
  974.50586 479.0 479
  975.51135 126.0 126
  976.51837 25.0 25
  1019.50549 818.0 817
  1019.59277 6.0 6
//