ACCESSION: MSBNK-RIKEN-PR311098
RECORD_TITLE: Camptothecin-OH; 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: Annotation level-3

CH$NAME: Camptothecin-OH
CH$COMPOUND_CLASS: Carbolines
CH$FORMULA: C₂₀H₁₆N₂O₃
CH$EXACT_MASS: 332.359
CH$SMILES: O=C2OCC=1C(=O)N4C(=CC=1C2CC)C=3N=C5C=CC=CC5(=CC=3C4)
CH$IUPAC: InChI=1S/C20H16N2O3/c1-2-13-14-8-17-18-12(7-11-5-3-4-6-16(11)21-18)9-22(17)19(23)15(14)10-25-20(13)24/h3-8,13H,2,9-10H2,1H3
CH$LINK: INCHIKEY PEZXVOHRDBYBFR-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 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 5.77
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 333.1239

PK$SPLASH: splash10-0213-0192000000-f25ec7f53bcad96bbd62
PK$NUM_PEAK: 9
PK$PEAK: m/z int. rel.int.
  144.07896 18.0 580
  244.10648 17.0 548
  262.11276 20.0 645
  271.07422 22.0 709
  276.1347 20.0 645
  277.24277 17.0 548
  287.12054 31.0 999
  332.24683 16.0 516
  333.10995 18.0 580
//