Quinestrol
Also known as: 17α-Ethynylestradiol 3-cyclopentyl ether, 17α-Ethinylestradiol 3-cyclopentyl ether, 17α-Ethynyl-1,3,5(10)-estratriene-3,17β-diol 3-cyclopentyl ether, EECPE, Eston, W-3566, 3-(Cyclopentyloxy)-19-norpregna-1,3,5(10)-trien-20-yn-17-ol, (8R,9S,13S,14S,17R)-3-(cyclopentyloxy)-17-ethynyl-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol
Quinestrol (CAS 152-43-2) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C25H32O2 and a molecular weight of 364.520 g/mol. Key properties include a melting point of 107 - 108ºC, a boiling point of 502.5±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 218.8±24.4 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 152-43-2
- Jingsj CID
- J-47479-1
- Molecular Formula
- C25H32O2
- Molecular Weight
- 364.520 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 107 - 108ºC |
|---|---|
| Boiling Point | 502.5±50.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 218.8±24.4 °C |
| Exact Mass | 364.240234 |
| PSA | 29.46000 |
| LogP | 6.67 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.596 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H350 — May cause cancer
- H360 — May damage fertility or the unborn child
Frequently Asked Questions
What is the CAS number of Quinestrol?
The CAS number of Quinestrol is 152-43-2.
What are the molecular formula and molecular weight of Quinestrol?
Quinestrol has molecular formula C25H32O2 and molecular weight 364.520 g/mol.
Is Quinestrol hazardous?
Quinestrol has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of Quinestrol?
For Quinestrol, Upstream Products: Cyclopentanol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Quinestrol (CAS 152-43-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47479-1 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.