ACCESSION: MSBNK-Washington_State_Univ-BML00589
RECORD_TITLE: Ginkgolide B; LC-ESI-QTOF; MS2; CE 10 ev; [M-H]-
DATE: 2016.01.19 (Created 2012.10.26)
AUTHORS: Cuthbertson DJ, Johnson SR, Lange BM, Institute of Biological Chemistry, Washington State University
LICENSE: CC BY-SA
COMMENT: relative retention time with respect to 9-anthracene Carboxylic Acid is 0.729

CH$NAME: Ginkgolide B
CH$COMPOUND_CLASS: N/A
CH$FORMULA: C₂₀H₂₄O₁₀
CH$EXACT_MASS: 424.136947
CH$SMILES: CC1C(=O)OC2C1(C34C(=O)OC5C3(C2O)C6(C(C5)C(C)(C)C)C(C(=O)OC6O4)O)O
CH$IUPAC: InChI=1S/C20H24O10/c1-6-12(23)28-11-9(21)18-8-5-7(16(2,3)4)17(18)10(22)13(24)29-15(17)30-20(18,14(25)27-8)19(6,11)26/h6-11,15,21-22,26H,5H2,1-4H3
CH$LINK: CAS 99796-69-7
CH$LINK: CHEMSPIDER 58739
CH$LINK: PUBCHEM CID:65243
CH$LINK: INCHIKEY SQOJOAFXDQDRGF-UHFFFAOYSA-N

AC$INSTRUMENT: Agilent 1200 RRLC; Agilent 6520 QTOF
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 10 ev
AC$MASS_SPECTROMETRY: COLLISION_GAS N2
AC$MASS_SPECTROMETRY: SCANNING m/z 100-1000
AC$CHROMATOGRAPHY: COLUMN_NAME Agilent C8 Cartridge Column 2.1X30mm 3.5 micron (guard); Agilent SB-Aq 2.1x50mm 1.8 micron (analytical)
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 60 C
AC$CHROMATOGRAPHY: FLOW_GRADIENT linear from 98A/2B at 0 min to 2A/98B at 13 min, hold 6 min at 2A/98B, reequilibration 98A/2B (5 min)
AC$CHROMATOGRAPHY: FLOW_RATE 0.6 ml/min
AC$CHROMATOGRAPHY: RETENTION_TIME 5.383
AC$CHROMATOGRAPHY: SOLVENT A water with 0.2% acetic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.2% acetic acid

MS$FOCUSED_ION: BASE_PEAK 367
MS$FOCUSED_ION: PRECURSOR_M/Z 423.1296
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-

PK$SPLASH: splash10-014i-0009300000-2d1be2b7f4a303dbc532
PK$NUM_PEAK: 14
PK$PEAK: m/z int. rel.int.
  113.0244 625 26
  125.0245 1082 46
  261.1519 286 12
  287.1216 124 5
  305.134 217 9
  323.1526 124 5
  349.1298 459 19
  367.1381 23573 999
  367.3132 316 13
  367.3862 151 6
  367.5346 164 7
  367.6527 155 7
  395.1355 2533 107
  423.1286 9632 408
//