Isorhamnetin
Also known as: 3,5,7-Trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-4H-chromen-4-one, 3,4',5,7-Tetrahydroxy-3'-methoxyflavone, 3'-Methoxy-3,4',5,7-tetrahydroxyflavone, 3'-O-Methylquercetin, 3'-Methylquercetin, Quercetin-3'-methyl ether, Isorhamnetol, Isohamnetin, C.I. 75680
Isorhamnetin (CAS 480-19-3) 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 melting point of 307°C, a boiling point of 599.4±50.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 227.8±23.6 °C. It is classified under GHS with signal word Warning and hazard statements H351 — Suspected of causing cancer. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 480-19-3
- Jingsj CID
- J-29806-6
- 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
| Melting Point | 307°C |
|---|---|
| Boiling Point | 599.4±50.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 227.8±23.6 °C |
| Exact Mass | 316.058289 |
| PSA | 120.36000 |
| LogP | 1.76 |
| Vapor Pressure | 0.0±1.8 mmHg at 25°C |
| Refractive Index | 1.741 |
GHS Safety & Compliance
- H351 — Suspected of causing cancer
Activity & Biological Data
| Target | MEK1 PI3-K |
|---|---|
| Additional Information | [1]. Kim JE, et al. Isorhamnetin suppresses skin cancer through direct inhibition of MEK1 and PI3-K. Cancer Prev Res (Phila). 2011 Apr;4(4):582-91. [2]. Hu S, et al. Isorhamnetin inhibits cell proliferation and induces apoptosis in breast cancer via Akt and mitogen activated protein kinase kinase signaling pathways. Mol Med Rep. 2015 Nov;12(5):6745-51. |
Frequently Asked Questions
What is the CAS number of Isorhamnetin?
The CAS number of Isorhamnetin is 480-19-3.
What are the molecular formula and molecular weight of Isorhamnetin?
Isorhamnetin has molecular formula C16H12O7 and molecular weight 316.262 g/mol.
Is Isorhamnetin hazardous?
Isorhamnetin has GHS signal word Warning and hazard statements H351 — Suspected of causing cancer.
What are the upstream and downstream products of Isorhamnetin?
For Isorhamnetin, Upstream Products: Isorhamnetin 3-O-galactoside, Narcissoside, Rutin; Downstream Products: Phloroglucinol, protocatechuic acid, Quercetin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isorhamnetin (CAS 480-19-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29806-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.