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Forsythoside I

Also known as: Forsythia glycoside I, β-D-Glucopyranoside, 2-(3,4-dihydroxyphenyl)ethyl 6-O-(6-deoxy-α-L-mannopyranosyl)-, 3-[(2E)-3-(3,4-dihydroxyphenyl)-2-propenoate], [(2R,3R,4S,5R,6R)-3-[2-(3,4-dihydroxyphenyl)ethyl]-2,3,5-trihydroxy-6-[[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxymethyl]oxan-4-yl] (E)-3-(3,4-dihydroxyphenyl)prop-2-enoate, (2R,3R,4S,5R,6R)-2-(3,4-Dihydroxyphenethoxy)-3,5-dihydroxy-6-((((2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)methyl)tetrahydro-2H-pyran-4-yl (E)-3-(3,4-dihydroxyphenyl)acrylate, Forsythoside I, 10 mM in DMSO

Forsythoside I (CAS 1177581-50-8) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C29H36O15 and a molecular weight of 624.587 g/mol. Key properties include a boiling point of 931.2±65.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 302.2±27.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1177581-50-8
Jingsj CID
J-1988894-7
Molecular Formula
C29H36O15
Molecular Weight
624.587 g/mol
Category
Esters
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point931.2±65.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point302.2±27.8 °C
Exact Mass624.205444
LogP2.17
Vapor Pressure0.0±0.3 mmHg at 25°C
Refractive Index1.709
Storage Conditions2-8℃

Activity & Biological Data

Additional Information[1]. Wang FN, et al. New phenylethanoid glycosides from the fruits of forsythia suspense (thunb.) vahl. Molecules. 2009 Mar 25;14(3):1324-31.

Frequently Asked Questions

What is the CAS number of Forsythoside I?

The CAS number of Forsythoside I is 1177581-50-8.

What are the molecular formula and molecular weight of Forsythoside I?

Forsythoside I has molecular formula C29H36O15 and molecular weight 624.587 g/mol.

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

Last updated:

How to cite: Jingsj. "Forsythoside I (CAS 1177581-50-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1988894-7 (accessed 2026-11-06).

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