Lithospermic acid

紫草酸

Also known as: (+)-Lithospermic acid, Lithospermic acid A, (2S,3S)-4-[(1E)-3-[(1R)-1-carboxy-2-(3,4-dihydroxyphenyl)ethoxy]-3-oxo-1-propen-1-yl]-2-(3,4-dihydroxyphenyl)-2,3-dihydro-7-hydroxy-3-benzofurancarboxylic acid

Lithospermic acid (CAS 28831-65-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C27H22O12 and a molecular weight of 538.456 g/mol. It is also known as (+)-Lithospermic acid, Lithospermic acid A and (2S,3S)-4-[(1E)-3-[(1R)-1-carboxy-2-(3,4-dihydroxyphenyl)ethoxy]-3-oxo-1-propen-1-yl]-2-(3,4-dihydroxyphenyl)-2,3-dihydro-7-hydroxy-3-benzofurancarboxylic acid. Key properties include a boiling point of 862.6±65.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 291.3±27.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
28831-65-4
Jingsj CID
J-1959033-0
Molecular Formula
C27H22O12
Chinese Name
紫草酸
Molecular Weight
538.456 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point862.6±65.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point291.3±27.8 °C

Frequently Asked Questions

What is the CAS number of Lithospermic acid?

The CAS number of Lithospermic acid is 28831-65-4.

What are the molecular formula and molecular weight of Lithospermic acid?

Lithospermic acid has molecular formula C27H22O12 and molecular weight 538.456 g/mol.

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

Last updated:

How to cite: Jingsj. "Lithospermic acid (CAS 28831-65-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1959033-0 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.