Demethoxycurcumin
去甲氧基姜黄素
Also known as: Curcumin II, Desmethoxycurcumin, Monodemethoxycurcumin, (1E,6E)-1-(4-Hydroxy-3-methoxyphenyl)-7-(4-hydroxyphenyl)hepta-1,6-diene-3,5-dione, 1-(4-Hydroxy-3-methoxyphenyl)-7-(4-hydroxyphenyl)hepta-1,6-diene-3,5-dione, p-Hydroxycinnamoyl-feruloylmethane, Feruloyl-p-hydroxycinnamoylmethane
Demethoxycurcumin (CAS 24939-17-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H18O5 and a molecular weight of 338.354 g/mol. It is also known as Curcumin II, Desmethoxycurcumin and Monodemethoxycurcumin. Key properties include a boiling point of 571.4±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 205.5±23.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 24939-17-1
- Jingsj CID
- J-1959310-8
- Molecular Formula
- C20H18O5
- Chinese Name
- 去甲氧基姜黄素
- Molecular Weight
- 338.354 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 571.4±50.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 205.5±23.6 °C |
Frequently Asked Questions
What is the CAS number of Demethoxycurcumin?
The CAS number of Demethoxycurcumin is 24939-17-1.
What are the molecular formula and molecular weight of Demethoxycurcumin?
Demethoxycurcumin has molecular formula C20H18O5 and molecular weight 338.354 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Demethoxycurcumin (CAS 24939-17-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1959310-8 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.