Ombuin
商陆素
Also known as: Quercetin 7,4'-dimethyl ether, 4',7-Dimethoxy-3,3',5-trihydroxyflavone, 3,5,3'-Trihydroxy-7,4'-dimethoxyflavone, 3,5-Dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-7-methoxy-4H-chromen-4-one, 4',7-Dimethylquercetin, 2-(3-Hydroxy-4-methoxyphenyl)-7-methoxy-3,5-dihydroxy-4H-1-benzopyran-4-one, NSC 675952
Ombuin (CAS 529-40-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H14O7 and a molecular weight of 330.289 g/mol. It is also known as Quercetin 7,4'-dimethyl ether, 4',7-Dimethoxy-3,3',5-trihydroxyflavone and 3,5,3'-Trihydroxy-7,4'-dimethoxyflavone. Key properties include a boiling point of 593.7±50.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 222.1±23.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 529-40-8
- Jingsj CID
- J-1955088-6
- Molecular Formula
- C17H14O7
- Chinese Name
- 商陆素
- Molecular Weight
- 330.289 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 593.7±50.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 222.1±23.6 °C |
Frequently Asked Questions
What is the CAS number of Ombuin?
The CAS number of Ombuin is 529-40-8.
What are the molecular formula and molecular weight of Ombuin?
Ombuin has molecular formula C17H14O7 and molecular weight 330.289 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ombuin (CAS 529-40-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955088-6 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.