Atranorin
Also known as: Atranoric acid, Parmelin, Usnarin, Atrarin, Parmelin acid, Usnarin acid, NSC-685591, 3-hydroxy-4-(methoxycarbonyl)-2,5-dimethylphenyl 3-formyl-2,4-dihydroxy-6-methylbenzoate, 3-Formyl-2,4-dihydroxy-6-methylbenzoic acid 3-hydroxy-4-(methoxycarbonyl)-2,5-dimethylphenyl ester
Atranorin (CAS 479-20-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C19H18O8 and a molecular weight of 374.341 g/mol. Key properties include a melting point of 156-158ºC, a boiling point of 535.7±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 189.3±23.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 479-20-9
- Jingsj CID
- J-1955089-1
- Molecular Formula
- C19H18O8
- Molecular Weight
- 374.341 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 156-158ºC |
|---|---|
| Boiling Point | 535.7±50.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 189.3±23.6 °C |
| Exact Mass | 374.100159 |
| PSA | 130.36000 |
| LogP | 6.14 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.644 |
Activity & Biological Data
| Target | RhoGTPase[1] |
|---|---|
| Additional Information | [1]. Studzinska-Sroka E, et al. Atranorin - An Interesting Lichen Secondary Metabolite. Mini Rev Med Chem. 2017;17(17):1633-1645. [2]. Zhou R, et al. The lichen secondary metabolite atranorin suppresses lung cancer cell motility and tumorigenesis. Sci Rep. 2017 Aug 15;7(1):8136. |
Frequently Asked Questions
What is the CAS number of Atranorin?
The CAS number of Atranorin is 479-20-9.
What are the molecular formula and molecular weight of Atranorin?
Atranorin has molecular formula C19H18O8 and molecular weight 374.341 g/mol.
What are the upstream and downstream products of Atranorin?
For Atranorin, Downstream Products: 2,5-Dimethylresorcinol, Methanol, Methyl 2,4-dihydroxy-3,6-dimethylbenzoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Atranorin (CAS 479-20-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955089-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.