Secoisolariciresinol diglucoside

Also known as: SDG, Seco-isolariciresinol diglucoside, (2R,3R)-SDG, (2R,3R,4S,5S,6R)-2-[(2R,3R)-2,3-bis[(4-hydroxy-3-methoxyphenyl)methyl]-4-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxybutoxy]-6-(hydroxymethyl)oxane-3,4,5-triol, (2R,3R)-2,3-Bis[(4-hydroxy-3-methoxyphenyl)methyl]-1,4-butanediyl bis-β-D-glucopyranoside, Secoisolarisiresinol Diglucoside, Lignans, Flax lignans, X1171, Y0185

Secoisolariciresinol diglucoside (CAS 158932-33-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C32H46O16 and a molecular weight of 686.698 g/mol. Key properties include a boiling point of 989.2±65.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 552.0±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 158932-33-3
Jingsj CID: J-1973738-8
Molecular Formula: C₃₂H₄₆O₁₆
Molecular Weight: 686.698 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	989.2±65.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	552.0±34.3 °C
Exact Mass	686.278564
PSA	257.68000
LogP	-2.79
Vapor Pressure	0.0±0.3 mmHg at 25°C
Refractive Index	1.655

Activity & Biological Data

Target	Platelet activating factor receptor[1]
Additional Information	[1]. Prasad K. Reduction of serum cholesterol and hypercholesterolemic atherosclerosis in rabbits by secoisolariciresinol diglucoside isolated from flaxseed. Circulation. 1999 Mar 16;99(10):1355-62. [2]. Velalopoulou A, et al. The Flaxseed-Derived Lignan Phenolic Secoisolariciresinol Diglucoside (SDG) Protects Non-Malignant Lung Cells from Radiation Damage. Int J Mol Sci. 2015 Dec 22;17(1).

Frequently Asked Questions

What is the CAS number of Secoisolariciresinol diglucoside?

The CAS number of Secoisolariciresinol diglucoside is 158932-33-3.

What are the molecular formula and molecular weight of Secoisolariciresinol diglucoside?

Secoisolariciresinol diglucoside has molecular formula C32H46O16 and molecular weight 686.698 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. "Secoisolariciresinol diglucoside (CAS 158932-33-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1973738-8 (accessed 2026-11-06).

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