5-Methoxy-2',3'-dehydromarmesin

Also known as: 2-(1-Hydroxy-1-methylethyl)-4-methoxy-7H-furo[3,2-g]chromen-7-one, 2-(2-Hydroxy-2-propanyl)-4-methoxy-7H-furo[3,2-g]chromen-7-one, 7H-Furo[3,2-g][1]benzopyran-7-one, 2-(1-hydroxy-1-methylethyl)-4-methoxy-, 5-Methoxy-2′,3′-dehydromarmesin, 3'-dehydromarmesin

5-Methoxy-2',3'-dehydromarmesin (CAS 54087-32-0) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C15H14O5 and a molecular weight of 274.27 g/mol. Key properties include a boiling point of 485.3±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 247.3±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 54087-32-0
Jingsj CID: J-1956523-1
Molecular Formula: C₁₅H₁₄O₅
Molecular Weight: 274.27 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	485.3±45.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	247.3±28.7 °C
Exact Mass	274.084137
PSA	72.81000
LogP	1.51
Vapor Pressure	0.0±1.3 mmHg at 25°C
Refractive Index	1.616

Activity & Biological Data

Additional Information	[1]. Du FL, et al. A comparative study for the organic byproducts from hydrothermal carbonizations of sugarcane bagasse and its bio-refined components cellulose and lignin. PLoS One. 2018;13(6):e0197188.

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 5-Methoxy-2',3'-dehydromarmesin?

The CAS number of 5-Methoxy-2',3'-dehydromarmesin is 54087-32-0.

What are the molecular formula and molecular weight of 5-Methoxy-2',3'-dehydromarmesin?

5-Methoxy-2',3'-dehydromarmesin has molecular formula C15H14O5 and molecular weight 274.27 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. "5-Methoxy-2',3'-dehydromarmesin (CAS 54087-32-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1956523-1 (accessed 2026-11-06).

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