Eckol

Also known as: Eckol, Acanthol, 4-(3,5-Dihydroxyphenoxy)dibenzo-p-dioxin-1,3,6,8-tetrol, 4-(3,5-Dihydroxyphenoxy)dibenzo[b,e][1,4]dioxin-1,3,6,8-tetrol, 1-(Resorcinol-5-yloxy)-2,4,7,9-tetrahydroxydibenzo-p-dioxin, Dibenzo[b,e][1,4]dioxin-1,3,6,8-tetrol, 4-(3,5-dihydroxyphenoxy)-

Eckol (CAS 88798-74-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C18H12O9 and a molecular weight of 372.28200 g/mol. Key properties include a boiling point of 685.5ºC at 760 mmHg, a density of 1.778g/cm3 and a flash point of 368.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 88798-74-7
Jingsj CID: J-1983268-7
Molecular Formula: C₁₈H₁₂O₉
Molecular Weight: 372.28200 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	685.5ºC at 760 mmHg
Density	1.778g/cm3
Flash Point	368.4ºC
Exact Mass	372.04800
PSA	149.07000
LogP	3.61050
Refractive Index	1.807

Activity & Biological Data

Target	hMAO-A:7.20 μM (IC50) hMAO-B:83.44 μM (IC50) H1N1:89.5 μM (IC50)
Additional Information	[1]. Jung HA, et al. Evaluation of the inhibitory effects of eckol and dieckol isolated from edible brown alga Eisenia bicyclis on human monoamine oxidases A and B. Arch Pharm Res. 2017 Apr;40(4):480-491. [2]. Rengasamy KR, et al. Enhancing growth, phytochemical constituents and aphid resistance capacity in cabbage with foliar application of eckol--a biologically active phenolic molecule from brown seaweed. N Biotechnol. 2016 Mar 25;33(2):273-9. [3]. Han EJ, et al. Eckol from Ecklonia cava Suppresses Immunoglobulin E-mediated Mast Cell Activation and Passive Cutaneous Anaphylaxis in Mice. Nutrients. 2020 May 9;12(5):1361. [4]. Besednova NN, et al. Antiviral Effects of Polyphenols from Marine Algae. Biomedicines. 2021 Feb 17;9(2):200.

Target

hMAO-A:7.20 μM (IC50) hMAO-B:83.44 μM (IC50) H1N1:89.5 μM (IC50)

Additional Information

[1]. Jung HA, et al. Evaluation of the inhibitory effects of eckol and dieckol isolated from edible brown alga Eisenia bicyclis on human monoamine oxidases A and B. Arch Pharm Res. 2017 Apr;40(4):480-491. [2]. Rengasamy KR, et al. Enhancing growth, phytochemical constituents and aphid resistance capacity in cabbage with foliar application of eckol--a biologically active phenolic molecule from brown seaweed. N Biotechnol. 2016 Mar 25;33(2):273-9. [3]. Han EJ, et al. Eckol from Ecklonia cava Suppresses Immunoglobulin E-mediated Mast Cell Activation and Passive Cutaneous Anaphylaxis in Mice. Nutrients. 2020 May 9;12(5):1361. [4]. Besednova NN, et al. Antiviral Effects of Polyphenols from Marine Algae. Biomedicines. 2021 Feb 17;9(2):200.

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Eckol?

The CAS number of Eckol is 88798-74-7.

What are the molecular formula and molecular weight of Eckol?

Eckol has molecular formula C18H12O9 and molecular weight 372.28200 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. "Eckol (CAS 88798-74-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1983268-7 (accessed 2026-11-06).

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