Rhamnetin
鼠李素
Also known as: 7-O-Methylquercetin, 7-Methoxyquercetin, 7-Methylquercetin, 3,3',4',5-Tetrahydroxy-7-methoxyflavone, 2-(3,4-Dihydroxyphenyl)-3,5-dihydroxy-7-methoxychromen-4-one, beta-Rhamnocitrin, B-Rhamnocitrin, Nsc19802, C.I. 75690, LY 805921
Rhamnetin (CAS 90-19-7) 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 316.26200 g/mol. It is also known as 7-O-Methylquercetin, 7-Methoxyquercetin and 7-Methylquercetin. Key properties include a melting point of 293-296°C (dec.), a boiling point of 627.9ºC at 760 mmHg, a density of 1.634g/cm3 and a flash point of 238.9ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 90-19-7
- Jingsj CID
- J-25095-1
- Molecular Formula
- C16H12O7
- Chinese Name
- 鼠李素
- Molecular Weight
- 316.26200 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 293-296°C (dec.) |
|---|---|
| Boiling Point | 627.9ºC at 760 mmHg |
| Density | 1.634g/cm3 |
| Flash Point | 238.9ºC |
| Exact Mass | 316.05800 |
| PSA | 120.36000 |
| LogP | 2.29100 |
| Refractive Index | 1.74 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Novo Belchor M, et al. Evaluation of Rhamnetin as an Inhibitor of the Pharmacological Effect of Secretory Phospholipase A2. Molecules. 2017 Aug 31;22(9). |
|---|
Frequently Asked Questions
What is the CAS number of Rhamnetin?
The CAS number of Rhamnetin is 90-19-7.
What are the molecular formula and molecular weight of Rhamnetin?
Rhamnetin has molecular formula C16H12O7 and molecular weight 316.26200 g/mol.
Is Rhamnetin hazardous?
Rhamnetin has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Rhamnetin?
For Rhamnetin, Upstream Products: iodomethane, Quercetin, Dimethyl sulfate; Downstream Products: Phloroglucinol, protocatechuic acid, Quercetin.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Rhamnetin (CAS 90-19-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25095-1 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.