estra-1,3,5(10),7-tetraene-3,17alpha-diol

α-伊奎洛尔

Also known as: (17α)-Estra-1,3,5(10),7-tetraene-3,17-diol, 17α-Dihydroequilin

estra-1,3,5(10),7-tetraene-3,17alpha-diol (CAS 651-55-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H22O2 and a molecular weight of 270.36600 g/mol. It is also known as (17α)-Estra-1,3,5(10),7-tetraene-3,17-diol and 17α-Dihydroequilin. Key properties include a boiling point of 457.798ºC at 760 mmHg, a density of 1.23g/cm3 and a flash point of 217.155ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
651-55-8
Jingsj CID
J-89830-8
Molecular Formula
C18H22O2
Chinese Name
α-伊奎洛尔
Molecular Weight
270.36600 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point457.798ºC at 760 mmHg
Density1.23g/cm3
Flash Point217.155ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of estra-1,3,5(10),7-tetraene-3,17alpha-diol?

The CAS number of estra-1,3,5(10),7-tetraene-3,17alpha-diol is 651-55-8.

What are the molecular formula and molecular weight of estra-1,3,5(10),7-tetraene-3,17alpha-diol?

estra-1,3,5(10),7-tetraene-3,17alpha-diol has molecular formula C18H22O2 and molecular weight 270.36600 g/mol.

Is estra-1,3,5(10),7-tetraene-3,17alpha-diol hazardous?

estra-1,3,5(10),7-tetraene-3,17alpha-diol 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. "estra-1,3,5(10),7-tetraene-3,17alpha-diol (CAS 651-55-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-89830-8 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.