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MassBank Record: MSBNK-RIKEN-PR305309

Echinocystic acid-3-O-glucoside; LC-ESI-QTOF; MS2

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

ACCESSION: MSBNK-RIKEN-PR305309
RECORD_TITLE: Echinocystic acid-3-O-glucoside; 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$NAME: Echinocystic acid-3-O-glucoside
CH$COMPOUND_CLASS: Triterpene saponins
CH$FORMULA: C36H58O9
CH$EXACT_MASS: 634.851
CH$SMILES: CC1(C)CCC2(C(O)CC3(C)C(=CCC4C5(C)CCC(OC6OC(CO)C(O)C(O)C6O)C(C)(C)C5CCC34C)C2C1)C(O)=O
CH$IUPAC: InChI=1S/C36H58O9/c1-31(2)14-15-36(30(42)43)20(16-31)19-8-9-23-33(5)12-11-25(45-29-28(41)27(40)26(39)21(18-37)44-29)32(3,4)22(33)10-13-34(23,6)35(19,7)17-24(36)38/h8,20-29,37-41H,9-18H2,1-7H3,(H,42,43)
CH$LINK: INCHIKEY WYDPEADEZMZKNM-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 7.332083
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 633.40080694783

PK$SPLASH: splash10-001i-0000009000-1422470c5e5d32c9918f
PK$NUM_PEAK: 6
PK$PEAK: m/z int. rel.int.
  71.0117 11.0 11
  101.02345 16.0 16
  113.02521 7.0 7
  161.04582 8.0 8
  587.39423 10.0 10
  633.40167 1000.0 999
//

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