(9,16b)-9,11-Epoxy-16,17,21-trihydroxypregna-1,4-diene-3,20-dione

Also known as: 9,11β-Epoxide Triamcinolone, 9,11b-Epoxidetriamcinolone, TriaMcinolone epoxy (5TR), 5Tr, Prednisone Impurity 14, Pregna-1,4-diene-3,20-dione, 9,11-epoxy-16,17,21-trihydroxy-, (9ξ,16α)-

(9,16b)-9,11-Epoxy-16,17,21-trihydroxypregna-1,4-diene-3,20-dione (CAS 215095-77-5) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C21H26O6 and a molecular weight of 374.427 g/mol. Key properties include a boiling point of 585.6±0.0 °C at 760 mmHg, a density of 1.4±0.0 g/cm3 and a flash point of 208.2±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 215095-77-5
Jingsj CID: J-1424368-8
Molecular Formula: C₂₁H₂₆O₆
Molecular Weight: 374.427 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	585.6±0.0 °C at 760 mmHg
Density	1.4±0.0 g/cm3
Flash Point	208.2±0.0 °C
Exact Mass	374.172943
PSA	107.36000
LogP	1.20
Vapor Pressure	0.0±0.0 mmHg at 25°C
Refractive Index	1.646

Frequently Asked Questions

What is the CAS number of (9,16b)-9,11-Epoxy-16,17,21-trihydroxypregna-1,4-diene-3,20-dione?

The CAS number of (9,16b)-9,11-Epoxy-16,17,21-trihydroxypregna-1,4-diene-3,20-dione is 215095-77-5.

What are the molecular formula and molecular weight of (9,16b)-9,11-Epoxy-16,17,21-trihydroxypregna-1,4-diene-3,20-dione?

(9,16b)-9,11-Epoxy-16,17,21-trihydroxypregna-1,4-diene-3,20-dione has molecular formula C21H26O6 and molecular weight 374.427 g/mol.

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. "(9,16b)-9,11-Epoxy-16,17,21-trihydroxypregna-1,4-diene-3,20-dione (CAS 215095-77-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1424368-8 (accessed 2026-11-06).

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