Coumestrol
Also known as: 3,9-Dihydroxycoumestan, 7,12-Dihydroxycoumestan, 3,9-Dihydroxy-6H-benzofuro[3,2-c][1]benzopyran-6-one, Cumoestrol, Cumostrol, Coumestrol, MFCD00016885, EINECS 207-525-6
Coumestrol (CAS 479-13-0) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C15H8O5 and a molecular weight of 268.221 g/mol. Key properties include a melting point of ≥350ºC(lit.), a boiling point of 406.0±24.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 199.3±22.9 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 479-13-0
- Jingsj CID
- J-39130-6
- Molecular Formula
- C15H8O5
- Molecular Weight
- 268.221 g/mol
- Category
- Esters
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | ≥350ºC(lit.) |
|---|---|
| Boiling Point | 406.0±24.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 199.3±22.9 °C |
| Exact Mass | 268.037170 |
| PSA | 83.81000 |
| LogP | 2.94 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.768 |
| Storage Conditions | Refrigerator |
| Additional Property | DMSO: soluble |
Activity & Biological Data
| Target | IC50: 50 μM[1] |
|---|---|
| Additional Information | [1]. Lim W, et al. Coumestrol suppresses proliferation of ES2 human epithelial ovarian cancer cells. J Endocrinol. 2016 Mar;228(3):149-60. [2]. Zafar A, et al. Cytotoxic activity of soy phytoestrogen coumestrol against human breast cancer MCF-7 cells: Insights into the molecular mechanism. Food Chem Toxicol. 2017 Jan;99:149-161. |
Frequently Asked Questions
What is the CAS number of Coumestrol?
The CAS number of Coumestrol is 479-13-0.
What are the molecular formula and molecular weight of Coumestrol?
Coumestrol has molecular formula C15H8O5 and molecular weight 268.221 g/mol.
What are the upstream and downstream products of Coumestrol?
For Coumestrol, Upstream Products: 3,9-Di-O-methylcoumestrol, 4-Bromo-1,3-benzenediol; Downstream Products: 3,9-Di-O-methylcoumestrol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Coumestrol (CAS 479-13-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39130-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.