9,11-Didehydroestriol
9,11-二脱氢雌三醇
Also known as: 9,11-Didehydrooestriol, Estra-1,3,5(10),9(11)-tetraene-3,16,17-triol, (16α,17β)-, Estra-1,3,5,9(11)-tetraene-3,16a,17b-triol, Estra-1,3,5,9(11)-tetraene-3,16alpha,17beta-triol, Conjugated Estrogens EP Impurity A, Estriol EP Impurity A, Estriol Impurity A, (8S,13S,14S,16R,17R)-13-methyl-6,7,8,12,14,15,16,17-octahydrocyclopenta[a]phenanthrene-3,16,17-triol
9,11-Didehydroestriol (CAS 246021-20-5) is a compound in the Alcohols 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 9,11-Didehydrooestriol, Estra-1,3,5(10),9(11)-tetraene-3,16,17-triol, (16α,17β)- and Estra-1,3,5,9(11)-tetraene-3,16a,17b-triol. Key properties include a boiling point of 491.918ºC at 760 mmHg, a density of 1.314g/cm3 and a flash point of 234.135ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 246021-20-5
- Jingsj CID
- J-1144091-0
- Molecular Formula
- C18H22O3
- Chinese Name
- 9,11-二脱氢雌三醇
- Molecular Weight
- 286.36500 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 491.918ºC at 760 mmHg |
|---|---|
| Density | 1.314g/cm3 |
| Flash Point | 234.135ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 9,11-Didehydroestriol?
The CAS number of 9,11-Didehydroestriol is 246021-20-5.
What are the molecular formula and molecular weight of 9,11-Didehydroestriol?
9,11-Didehydroestriol has molecular formula C18H22O3 and molecular weight 286.36500 g/mol.
Is 9,11-Didehydroestriol hazardous?
9,11-Didehydroestriol has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "9,11-Didehydroestriol (CAS 246021-20-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1144091-0 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.