Skip to main content
Jingsj
.mol.sdf

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

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. 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. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
651-55-8
Jingsj CID
J-89830-6
Molecular Formula
C18H22O2
Molecular Weight
270.36600 g/mol
Category
Organic Compounds
Last updated
8/21/2026
Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point457.798ºC at 760 mmHg
Density1.23g/cm3
Flash Point217.155ºC
Exact Mass270.16200
PSA40.46000
LogP3.52930
Refractive Index1.637

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation

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 and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of estra-1,3,5(10),7-tetraene-3,17alpha-diol?

For estra-1,3,5(10),7-tetraene-3,17alpha-diol, Upstream Products: Equilin.

Data compiled from public chemical databases such as PubChem 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-89830-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.