Methallenestril
美沙雌酸
Also known as: 3-(6-methoxynaphthalen-2-yl)-2,2-dimethylpentanoic acid, 3-(6-methoxy-2-naphthyl)-2,2-dimethylvaleric acid, Ercostrol, Novestrine, Horeau's acid, NSC 45804, T33309
Methallenestril (CAS 517-18-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H22O3 and a molecular weight of 286.36500 g/mol. It is also known as 3-(6-methoxynaphthalen-2-yl)-2,2-dimethylpentanoic acid, 3-(6-methoxy-2-naphthyl)-2,2-dimethylvaleric acid and Ercostrol. Key properties include a melting point of 139-140ºC, a boiling point of 437ºC at 760mmHg, a density of 1.108g/cm3 and a flash point of 154.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 517-18-0
- Jingsj CID
- J-1347379-4
- Molecular Formula
- C18H22O3
- Chinese Name
- 美沙雌酸
- Molecular Weight
- 286.36500 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 139-140ºC |
|---|---|
| Boiling Point | 437ºC at 760mmHg |
| Density | 1.108g/cm3 |
| Flash Point | 154.7ºC |
Frequently Asked Questions
What is the CAS number of Methallenestril?
The CAS number of Methallenestril is 517-18-0.
What are the molecular formula and molecular weight of Methallenestril?
Methallenestril has molecular formula C18H22O3 and molecular weight 286.36500 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methallenestril (CAS 517-18-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1347379-4 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.