(17α)-17-Hydroxy-19-norpregna-5(10),9(11)-diene-3,20-dione cyclic 3,20-bis(1,2-ethanediyl acetal)

(17α)-17-羟基-19-去甲孕甾-5(10),9(11)-二烯-3,20-二酮环3,20-二(1,2-乙二基缩醛)

Also known as: Ulipristal Impurity 27, 19-Norpregna-5(10),9(11)-diene-3,20-dione, 17-hydroxy-, cyclic 3,20-bis(1,2-ethanediyl acetal), (17α)-, 3,20-bis-ethylenedioxy-17β-hydroxy-19-norpregna-5(10),9(11)-diene, 17α-Hydroxy-19-norpregna-5(10),9(11)-diene-3,20-dione bis(ethylene ketal)

(17α)-17-Hydroxy-19-norpregna-5(10),9(11)-diene-3,20-dione cyclic 3,20-bis(1,2-ethanediyl acetal) (CAS 1655514-79-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C24H34O5 and a molecular weight of 402.52 g/mol. It is also known as Ulipristal Impurity 27, 19-Norpregna-5(10),9(11)-diene-3,20-dione, 17-hydroxy-, cyclic 3,20-bis(1,2-ethanediyl acetal), (17α)- and 3,20-bis-ethylenedioxy-17β-hydroxy-19-norpregna-5(10),9(11)-diene. Key property: a density of 1.25±0.1 g/cm3 (20 ºC 760 Torr). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1655514-79-6
Jingsj CID
J-1240666-5
Molecular Formula
C24H34O5
Chinese Name
(17α)-17-羟基-19-去甲孕甾-5(10),9(11)-二烯-3,20-二酮环3,20-二(1,2-乙二基缩醛)
Molecular Weight
402.52 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Density1.25±0.1 g/cm3 (20 ºC 760 Torr)

Frequently Asked Questions

What is the CAS number of (17α)-17-Hydroxy-19-norpregna-5(10),9(11)-diene-3,20-dione cyclic 3,20-bis(1,2-ethanediyl acetal)?

The CAS number of (17α)-17-Hydroxy-19-norpregna-5(10),9(11)-diene-3,20-dione cyclic 3,20-bis(1,2-ethanediyl acetal) is 1655514-79-6.

What are the molecular formula and molecular weight of (17α)-17-Hydroxy-19-norpregna-5(10),9(11)-diene-3,20-dione cyclic 3,20-bis(1,2-ethanediyl acetal)?

(17α)-17-Hydroxy-19-norpregna-5(10),9(11)-diene-3,20-dione cyclic 3,20-bis(1,2-ethanediyl acetal) has molecular formula C24H34O5 and molecular weight 402.52 g/mol.

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

Last updated:

How to cite: Jingsj. "(17α)-17-Hydroxy-19-norpregna-5(10),9(11)-diene-3,20-dione cyclic 3,20-bis(1,2-ethanediyl acetal) (CAS 1655514-79-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1240666-5 (accessed 2026-10-24).

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