Methyl tanshinonate

丹参酮甲酯

Also known as: methyl (-)-(S)-tanshinonate, (6S)-6,7,8,9,10,11-hexahydro-1,6-dimethyl-10,11-dioxophenanthro[1,2-b]furan-6-carboxylic acid methyl ester, (S)-1,6-Dimethyl-10,11-dioxo-6,7,8,9,10,11-hexahydro-phenanthro[1,2-b]furan-6-carboxylic acid methyl ester

Methyl tanshinonate (CAS 18887-19-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C20H18O5 and a molecular weight of 338.35 g/mol. It is also known as methyl (-)-(S)-tanshinonate, (6S)-6,7,8,9,10,11-hexahydro-1,6-dimethyl-10,11-dioxophenanthro[1,2-b]furan-6-carboxylic acid methyl ester and (S)-1,6-Dimethyl-10,11-dioxo-6,7,8,9,10,11-hexahydro-phenanthro[1,2-b]furan-6-carboxylic acid methyl ester. Key properties include a melting point of 175-176 °C, a boiling point of 523.4±50.0 °C at 760 mmHg and a density of 1.296±0.06 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 18887-19-9
Jingsj CID: J-1988257-0
Molecular Formula: C₂₀H₁₈O₅
Chinese Name: 丹参酮甲酯
Molecular Weight: 338.35 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	175-176 °C
Boiling Point	523.4±50.0 °C at 760 mmHg
Density	1.296±0.06 g/cm3

Frequently Asked Questions

What is the CAS number of Methyl tanshinonate?

The CAS number of Methyl tanshinonate is 18887-19-9.

What are the molecular formula and molecular weight of Methyl tanshinonate?

Methyl tanshinonate has molecular formula C20H18O5 and molecular weight 338.35 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Methyl tanshinonate (CAS 18887-19-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1988257-0 (accessed 2026-10-26).

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