Biological Activity
Platelet-activating factor (PAF) receptor antagonist (Ki = 1.3 μM). Inhibits neutrophil degranulation and superoxide production in vitro and inhibits bronchoconstriction and is neuroprotective following oral administration in vivo.
Compound Libraries
Ginkgolide B is also offered as part of the Tocriscreen Plus. Find out more about compound libraries available from Tocris.
Technical Data
| M. Wt | 424.4 |
| Formula | C20H24O10 |
| Storage | Desiccate at +4°C |
| CAS Number | 15291-77-7 |
| PubChem ID | 10971931 |
| InChI Key | SQOJOAFXDQDRGF-OTJOYSMWSA-N |
| Smiles | O=C1[C@@H](C)[C@@]2(O)[C@@]([C@H](O)C34[C@]52O[C@@]6([H])[C@]([C@@H](O)C(O6)=O)3[C@H]([C@](C)(C)C)C[C@H]4O[C@]5=O)([H])O1 |
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
Solubility Data
| Solvent | Max Conc. mg/mL | Max Conc. mM | |
|---|---|---|---|
| Solubility | |||
| DMSO | 42.44 | 100 | |
| ethanol | 10.61 | 25 |
Preparing Stock Solutions
The following data is based on the product molecular weight 424.4. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.
| Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
|---|---|---|---|
| 1 mM | 2.36 mL | 11.78 mL | 23.56 mL |
| 5 mM | 0.47 mL | 2.36 mL | 4.71 mL |
| 10 mM | 0.24 mL | 1.18 mL | 2.36 mL |
| 50 mM | 0.05 mL | 0.24 mL | 0.47 mL |
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Product Datasheets
References
References are publications that support the products' biological activity.
Desquand et al (1986) Interference of BN 52021 (ginkgolide B) with the bronchopulmonary effects of PAF-acether in the guinea-pig. Eur.J.Pharmacol. 127 83 PMID: 3019727
Foldes-Filep et al (1987) Inhibition by BN 52021 (ginkgolide B) of the binding of [3H]-platelet-activating factor to human neutrophil granulocytes. Biochem.Biophys.Res.Commun. 148 1412 PMID: 2825685
Maclennan et al (2002) The CNS effects of Ginkgo biloba extracts and ginkgolide B. Prog.Neurobiol. 67 235 PMID: 12169298
Keywords: Ginkgolide B, supplier, PAF, receptor, antagonists, Receptors, Platelet-activating, Factor, GinkgolideB, BN52021, BN, 52021, Platelet-activating, Factor, (PAF), Receptors, Platelet-activating, Factor, (PAF), Receptors, Tocris Bioscience
