Marmesin

Also known as: S-(+)-Marmesin, (+)-Marmesin, (S)-Marmesin, NSC 340840, (2S)-2-(2-hydroxypropan-2-yl)-2,3-dihydrofuro[3,2-g]chromen-7-one, (7S)-marmesin, 2,3-dihydro-2-(1-hydroxy-1-methylethyl)-7H-furo[3,2-g][1]benzopyran-7-one, 2-(1-Hydroxy-1-methylethyl)-2,3-dihydrofuro[3,2-g]chromen-7-one, 2-(2-Hydroxy-2-propanyl)-2,3-dihydro-7H-furo[3,2-g]chromen-7-one

Marmesin (CAS 13849-08-6) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C14H14O4 and a molecular weight of 246.259 g/mol. Key properties include a melting point of 189-191℃, a boiling point of 434.0±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 168.0±22.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13849-08-6
Jingsj CID: J-1986343-4
Molecular Formula: C₁₄H₁₄O₄
Molecular Weight: 246.259 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	189-191℃
Boiling Point	434.0±45.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	168.0±22.2 °C
Exact Mass	246.089203
PSA	59.67000
LogP	1.69
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.611
Storage Conditions	-20°C

Activity & Biological Data

Target	COX-2 5-Lipoxygenase
Additional Information	[1]. Larbat R, et al. Molecular cloning and functional characterization of psoralen synthase, the first committed monooxygenase of furanocoumarin biosynthesis. J Biol Chem. 2007 Jan 5;282(1):542-54. Epub 2006 Oct 26. [2]. Kim JS, et al. Chemical constituents of the root of Dystaenia takeshimana and their anti-inflammatory activity. Arch Pharm Res. 2006 Aug;29(8):617-23.

Frequently Asked Questions

What is the CAS number of Marmesin?

The CAS number of Marmesin is 13849-08-6.

What are the molecular formula and molecular weight of Marmesin?

Marmesin has molecular formula C14H14O4 and molecular weight 246.259 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. "Marmesin (CAS 13849-08-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1986343-4 (accessed 2026-11-06).

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