3-O-Methylquercetin
Also known as: 3',4',5,7-Tetrahydroxy-3-methoxyflavone, 2-(3,4-Dihydroxyphenyl)-3-methoxy-5,7-dihydroxy-4H-1-benzopyran-4-one, 3-Methylquercetol, NSC 154016, 5,7,3',4'-Tetrahydroxy-3-methoxyflavone, Quercetin 3-methyl ether
3-O-Methylquercetin (CAS 1486-70-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H12O7 and a molecular weight of 316.262 g/mol. Key properties include a boiling point of 643.0±55.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 244.7±25.0 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1486-70-0
- Jingsj CID
- J-12837-0
- Molecular Formula
- C16H12O7
- Molecular Weight
- 316.262 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 643.0±55.0 °C at 760 mmHg |
|---|---|
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 244.7±25.0 °C |
| Exact Mass | 316.058289 |
| PSA | 120.36000 |
| LogP | 2.02 |
| Vapor Pressure | 0.0±2.0 mmHg at 25°C |
| Refractive Index | 1.762 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
Activity & Biological Data
| Additional Information | [1]. Wun-Chang Ko, et al. 3-O-methylquercetin More Selectively Inhibits Phosphodiesterase Subtype 3. Planta Med. 2003 Apr;69(4):310-5. |
|---|
Customs & Trade Information
| HS Code | 2914509090 |
|---|---|
| Summary | HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3-O-Methylquercetin?
The CAS number of 3-O-Methylquercetin is 1486-70-0.
What are the molecular formula and molecular weight of 3-O-Methylquercetin?
3-O-Methylquercetin has molecular formula C16H12O7 and molecular weight 316.262 g/mol.
Is 3-O-Methylquercetin hazardous?
3-O-Methylquercetin has GHS signal word Danger and hazard statements H301 — Toxic if swallowed.
What are the upstream and downstream products of 3-O-Methylquercetin?
For 3-O-Methylquercetin, Upstream Products: 2-Methoxy-1-(2,4,6-trihydroxyphenyl)ethanone, Phloroglucinol, 3,4-Dibenzyloxybenzaldehyde; Downstream Products: Quercetin 3,4'-dimethyl ether.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-O-Methylquercetin (CAS 1486-70-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12837-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.