Pregn-4-ene-3,20-dione,21-(acetyloxy)-9,11-epoxy-17-hydroxy-, (9β,11β)-

Also known as: 9,11-Epoxy-17,21-dihydroxypregn-4-one-3,20-dione 21-acetate, 9,11-Epoxypregn-4-ene-17,21-diol-3,20-dione 21-acetate, 17-hydroxy-3,20-dioxo-9,11-epoxypregn-4-en-21-yl acetate, Fludrocortisone Impurity 5, Hydrocortisone Acetate Impurity 2, Hydrocortisone-9β,11β-epoxide-21-acetate, NSC 226134

Pregn-4-ene-3,20-dione,21-(acetyloxy)-9,11-epoxy-17-hydroxy-, (9β,11β)- (CAS 4383-30-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C23H30O6 and a molecular weight of 402.48100 g/mol. Key properties include a melting point of 206ºC, a boiling point of 569.2ºC at 760mmHg, a density of 1.3g/cm3 and a flash point of 195.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4383-30-6
Jingsj CID: J-968241-1
Molecular Formula: C₂₃H₃₀O₆
Molecular Weight: 402.48100 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	206ºC
Boiling Point	569.2ºC at 760mmHg
Density	1.3g/cm3
Flash Point	195.5ºC
Exact Mass	402.20400
PSA	93.20000
LogP	2.51290
Refractive Index	1.583

Frequently Asked Questions

What is the CAS number of Pregn-4-ene-3,20-dione,21-(acetyloxy)-9,11-epoxy-17-hydroxy-, (9β,11β)-?

The CAS number of Pregn-4-ene-3,20-dione,21-(acetyloxy)-9,11-epoxy-17-hydroxy-, (9β,11β)- is 4383-30-6.

What are the molecular formula and molecular weight of Pregn-4-ene-3,20-dione,21-(acetyloxy)-9,11-epoxy-17-hydroxy-, (9β,11β)-?

Pregn-4-ene-3,20-dione,21-(acetyloxy)-9,11-epoxy-17-hydroxy-, (9β,11β)- has molecular formula C23H30O6 and molecular weight 402.48100 g/mol.

What are the upstream and downstream products of Pregn-4-ene-3,20-dione,21-(acetyloxy)-9,11-epoxy-17-hydroxy-, (9β,11β)-?

For Pregn-4-ene-3,20-dione,21-(acetyloxy)-9,11-epoxy-17-hydroxy-, (9β,11β)-, Downstream Products: Fludrocortisone acetate, 9beta,11beta-epoxy-17,21-dihydroxypregn-4-ene-3,20-dione, Fludrocortisone.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Pregn-4-ene-3,20-dione,21-(acetyloxy)-9,11-epoxy-17-hydroxy-, (9β,11β)- (CAS 4383-30-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-968241-1 (accessed 2026-11-09).

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