(11beta,16alpha)-21-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-11,16,17-trihydroxy-pregna-1,4-diene-3,20-dione

(11β,16α)-21-[[(1,1-二甲基乙基)二甲基硅基]氧基]-11,16,17-三羟基-孕甾-1,4-二烯-3,20-二酮

Also known as: Pregna-1,4-diene-3,20-dione, 21-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-11,16,17-trihydroxy-, (11β,16α)-

(11beta,16alpha)-21-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-11,16,17-trihydroxy-pregna-1,4-diene-3,20-dione (CAS 1221150-20-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C27H42O6Si and a molecular weight of 490.7 g/mol. It is also known as Pregna-1,4-diene-3,20-dione, 21-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-11,16,17-trihydroxy-, (11β,16α)-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1221150-20-4
Jingsj CID: J-250981-5
Molecular Formula: C₂₇H₄₂O₆Si
Chinese Name: (11β,16α)-21-[[(1,1-二甲基乙基)二甲基硅基]氧基]-11,16,17-三羟基-孕甾-1,4-二烯-3,20-二酮
Molecular Weight: 490.7 g/mol
Category: Ketones
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of (11beta,16alpha)-21-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-11,16,17-trihydroxy-pregna-1,4-diene-3,20-dione?

The CAS number of (11beta,16alpha)-21-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-11,16,17-trihydroxy-pregna-1,4-diene-3,20-dione is 1221150-20-4.

What are the molecular formula and molecular weight of (11beta,16alpha)-21-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-11,16,17-trihydroxy-pregna-1,4-diene-3,20-dione?

(11beta,16alpha)-21-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-11,16,17-trihydroxy-pregna-1,4-diene-3,20-dione has molecular formula C27H42O6Si and molecular weight 490.7 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(11beta,16alpha)-21-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-11,16,17-trihydroxy-pregna-1,4-diene-3,20-dione (CAS 1221150-20-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-250981-5 (accessed 2026-10-24).

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