4',5,7-Trimethoxyflavone
4',5,7-三甲氧基黄酮
Also known as: Trimethylapigenin, Apigenin trimethyl ether, 5,7,4'-Trimethoxyflavone, 5,7-Dimethoxy-2-(4-methoxyphenyl)chromen-4-one, Tri-O-methylapigenin, Apigenin 4',5,7-trimethyl ether
4',5,7-Trimethoxyflavone (CAS 5631-70-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C18H16O5 and a molecular weight of 312.31700 g/mol. It is also known as Trimethylapigenin, Apigenin trimethyl ether and 5,7,4'-Trimethoxyflavone. Key properties include a melting point of 158-160ºC (dec.), a boiling point of 506.5ºC at 760mmHg, a density of 1.242g/cm3 and a flash point of 225.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5631-70-9
- Jingsj CID
- J-1975373-5
- Molecular Formula
- C18H16O5
- Chinese Name
- 4',5,7-三甲氧基黄酮
- Molecular Weight
- 312.31700 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 158-160ºC (dec.) |
|---|---|
| Boiling Point | 506.5ºC at 760mmHg |
| Density | 1.242g/cm3 |
| Flash Point | 225.5ºC |
Frequently Asked Questions
What is the CAS number of 4',5,7-Trimethoxyflavone?
The CAS number of 4',5,7-Trimethoxyflavone is 5631-70-9.
What are the molecular formula and molecular weight of 4',5,7-Trimethoxyflavone?
4',5,7-Trimethoxyflavone has molecular formula C18H16O5 and molecular weight 312.31700 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4',5,7-Trimethoxyflavone (CAS 5631-70-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1975373-5 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.