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17β-Estradiol-2,4,16,16,17-d5

17β-雌二醇-2,4,16,16,17-d5

Also known as: 17β-Estradiol-d5, D5-17-β-Estradiol, [2H5]-17-β-Estradiol, [2H5]-17-beta-Estradiol, 17β-Estradiol-D5 solution, 17beta-Estradiol-D5 solution, 17β-Estradiol-2,4,16,16,17-D5, 2,4,16,16,17-2H-estradiol-17β, 17β-Estradiol-2?4?16?16?17-[d5], 17beta-Estradiol-2,4,16,16,17-d5, (17β)-2,4,16,16,17-pentadeuterioestra-1,3,5(10)-triene-3,17-diol, (8R,9S,13S,14S,17S)-2,4,16,16,17-pentadeuterio-13-methyl-6,7,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthrene-3,17-diol

17β-Estradiol-2,4,16,16,17-d5 (CAS 221093-45-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C18H19D5O2 and a molecular weight of 277.41 g/mol. It is also known as 17β-Estradiol-d5, D5-17-β-Estradiol and [2H5]-17-β-Estradiol. Key properties include a melting point of 178-179ºC(lit.), a boiling point of 445.9±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 209.6±23.3 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
221093-45-4
Jingsj CID
J-1958308-4
Molecular Formula
C18H19D5O2
Chinese Name
17β-雌二醇-2,4,16,16,17-d5
Molecular Weight
277.41 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point178-179ºC(lit.)
Boiling Point445.9±45.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point209.6±23.3 °C

GHS Safety & Compliance

Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 17β-Estradiol-2,4,16,16,17-d5?

The CAS number of 17β-Estradiol-2,4,16,16,17-d5 is 221093-45-4.

What are the molecular formula and molecular weight of 17β-Estradiol-2,4,16,16,17-d5?

17β-Estradiol-2,4,16,16,17-d5 has molecular formula C18H19D5O2 and molecular weight 277.41 g/mol.

Is 17β-Estradiol-2,4,16,16,17-d5 hazardous?

17β-Estradiol-2,4,16,16,17-d5 has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "17β-Estradiol-2,4,16,16,17-d5 (CAS 221093-45-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1958308-4 (accessed 2026-10-25).

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