MassBank Record: PR302748



 (-)-Epicatechin; LC-ESI-QTOF; MS2 
Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk) \n

ACCESSION: PR302748
RECORD_TITLE: (-)-Epicatechin; LC-ESI-QTOF; MS2
DATE: 2019.03.28
AUTHORS: , Tetsuya Mori, Center for Sustainable Resource Science, RIKEN
LICENSE: CC BY-SA NC
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$NAME: (-)-Epicatechin CH$COMPOUND_CLASS: Catechins CH$FORMULA: C15H14O6 CH$EXACT_MASS: 290.271 CH$SMILES: O[C@@H]1CC2=C(O)C=C(O)C=C2O[C@@H]1C1=CC(O)=C(O)C=C1 CH$IUPAC: InChI=1S/C15H14O6/c16-8-4-11(18)9-6-13(20)15(21-14(9)5-8)7-1-2-10(17)12(19)3-7/h1-5,13,15-20H,6H2/t13-,15-/m1/s1 CH$LINK: INCHIKEY PFTAWBLQPZVEMU-UKRRQHHQSA-N
AC$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$MASS_SPECTROMETRY: ION_MODE POSITIVE AC$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 +3.00 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$CHROMATOGRAPHY: RETENTION_TIME 3.433967 AC$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$FOCUSED_ION: PRECURSOR_M/Z 291.0863146
PK$SPLASH: splash10-00dr-1900000000-a287e651fb0005892503 PK$NUM_PEAK: 5 PK$PEAK: m/z int. rel.int. 77.03652 437.0 437 115.05193 218.0 218 123.04607 1000.0 999 139.0394 739.0 738 147.04202 210.0 210 //

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