Rubilactone

Also known as: methyl 6-hydroxy-2-oxobenzo[h]chromene-5-carboxylate, 2H-Naphtho[1,2-b]pyran-5-carboxylic acid, 6-hydroxy-2-oxo-, methyl ester, 3'-Carbomethoxy-4'-hydroxynaphtho(1',2'-2,3)pyran-6-one

Rubilactone (CAS 142182-54-5) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C15H10O5 and a molecular weight of 270.23700 g/mol. Key properties include a boiling point of 530ºC at 760mmHg, a density of 1.441g/cm3 and a flash point of 206.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 142182-54-5
Jingsj CID: J-1087501-1
Molecular Formula: C₁₅H₁₀O₅
Molecular Weight: 270.23700 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	530ºC at 760mmHg
Density	1.441g/cm3
Flash Point	206.7ºC
Exact Mass	270.05300
PSA	76.74000
LogP	2.43840
Vapor Pressure	7.52E-12mmHg at 25°C
Refractive Index	1.684

Frequently Asked Questions

What is the CAS number of Rubilactone?

The CAS number of Rubilactone is 142182-54-5.

What are the molecular formula and molecular weight of Rubilactone?

Rubilactone has molecular formula C15H10O5 and molecular weight 270.23700 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. "Rubilactone (CAS 142182-54-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1087501-1 (accessed 2026-11-09).

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