ACCESSION: MSBNK-RIKEN-PR305443
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$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$FOCUSED_ION: PRECURSOR_M/Z 973.50136844783

PK$SPLASH: splash10-0gb9-0704970004-2f80616d1709a1489415
PK$NUM_PEAK: 11
PK$PEAK: m/z int. rel.int.
  115.03481 159.0 159
  143.03238 204.0 204
  161.0486 265.0 265
  163.05986 159.0 159
  323.1131 230.0 230
  367.12878 319.0 319
  469.16309 1000.0 999
  503.31409 177.0 177
  503.33554 690.0 689
  973.49622 159.0 159
  973.54236 345.0 345
//