(-)-Bilobalide

Also known as: Bilobalide, (-)-Bilobalide from Ginkgo biloba leaves, (-)-Bilobalide, 98%, from Ginkgo biloba L., (3aS,5aR,8R,8aS,9R,10aS)-8,9-Dihydroxy-9-(2-methyl-2-propanyl)dihydro-9H-furo[2,3-b]furo[3',2':2,3]cyclopenta[1,2-c]furan-2,4,7(3H,8H)-trione, Bilobalid

(-)-Bilobalide (CAS 33570-04-6) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C15H18O8 and a molecular weight of 326.299 g/mol. Key properties include a boiling point of 651.7±55.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 247.5±25.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 33570-04-6
Jingsj CID: J-18829-8
Molecular Formula: C₁₅H₁₈O₈
Molecular Weight: 326.299 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	651.7±55.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	247.5±25.0 °C
Exact Mass	326.100159
PSA	119.36000
LogP	-0.45
Vapor Pressure	0.0±4.4 mmHg at 25°C
Refractive Index	1.606

Activity & Biological Data

Additional Information	[1]. Binding sites for bilobalide, diltiazem, ginkgolide, and picrotoxinin at the 5-HT3 receptor. Mol Pharmacol. 2011 Jul;80(1):183-90. [2]. Shi C, Wu F, Xu J, Bilobalide regulates soluble amyloid precursor protein release via phosphatidyl inositol 3 kinase-dependent pathway. Neurochem Int. 2011 Aug;59(1):59-64. [3]. Goldie M, Dolan S. Bilobalide, a unique constituent of Ginkgo biloba, inhibits inflammatory pain in rats. Behav Pharmacol. 2013 Aug;24(4):298-306. [4]. Li WZ, Wu WY, Huang H, Protective effect of bilobalide on learning and memory impairment in rats with vascular dementia. Mol Med Rep. 2013 Sep;8(3):935-41.

Additional Information

[1]. Binding sites for bilobalide, diltiazem, ginkgolide, and picrotoxinin at the 5-HT3 receptor. Mol Pharmacol. 2011 Jul;80(1):183-90. [2]. Shi C, Wu F, Xu J, Bilobalide regulates soluble amyloid precursor protein release via phosphatidyl inositol 3 kinase-dependent pathway. Neurochem Int. 2011 Aug;59(1):59-64. [3]. Goldie M, Dolan S. Bilobalide, a unique constituent of Ginkgo biloba, inhibits inflammatory pain in rats. Behav Pharmacol. 2013 Aug;24(4):298-306. [4]. Li WZ, Wu WY, Huang H, Protective effect of bilobalide on learning and memory impairment in rats with vascular dementia. Mol Med Rep. 2013 Sep;8(3):935-41.

Frequently Asked Questions

What is the CAS number of (-)-Bilobalide?

The CAS number of (-)-Bilobalide is 33570-04-6.

What are the molecular formula and molecular weight of (-)-Bilobalide?

(-)-Bilobalide has molecular formula C15H18O8 and molecular weight 326.299 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "(-)-Bilobalide (CAS 33570-04-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18829-8 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.