Dihydrotanshinone
二氢丹参酮
Also known as: Dihydroisotanshinone I, 4,8-Dimethyl-8,9-dihydrophenanthro[3,2-b]furan-7,11-dione, 8,9-Dihydro-4,8-dimethylphenanthro[3,2-b]furan-7,11-dione
Dihydrotanshinone (CAS 20958-18-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C18H14O3 and a molecular weight of 278.302 g/mol. It is also known as Dihydroisotanshinone I, 4,8-Dimethyl-8,9-dihydrophenanthro[3,2-b]furan-7,11-dione and 8,9-Dihydro-4,8-dimethylphenanthro[3,2-b]furan-7,11-dione. Key properties include a boiling point of 479.2±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 214.9±28.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20958-18-3
- Jingsj CID
- J-1970854-4
- Molecular Formula
- C18H14O3
- Chinese Name
- 二氢丹参酮
- Molecular Weight
- 278.302 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 479.2±45.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 214.9±28.8 °C |
Frequently Asked Questions
What is the CAS number of Dihydrotanshinone?
The CAS number of Dihydrotanshinone is 20958-18-3.
What are the molecular formula and molecular weight of Dihydrotanshinone?
Dihydrotanshinone has molecular formula C18H14O3 and molecular weight 278.302 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dihydrotanshinone (CAS 20958-18-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1970854-4 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.