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3,20-Dioxopregn-4-en-21-yl 4-bromobenzenesulfonate

3,20-二氧代孕甾-4-烯-21-基 4-溴苯磺酸酯

Also known as: NSC-8891, Pregn-4-ene-3,20-dione, 21-[[(4-bromophenyl)sulfonyl]oxy]-, Septocholl, Cholerebic, Cholorebic, Degalol, Pyrochol, Septochol, Desoxycorticosteron-21-(4-bromobenzenesulfonate)

3,20-Dioxopregn-4-en-21-yl 4-bromobenzenesulfonate (CAS 21170-34-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C27H33BrO5S and a molecular weight of 549.51700 g/mol. It is also known as NSC-8891, Pregn-4-ene-3,20-dione, 21-[[(4-bromophenyl)sulfonyl]oxy]- and Septocholl. Key properties include a boiling point of 645.9ºC at 760mmHg, a density of 1.42g/cm3 and a flash point of 344.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21170-34-3
Jingsj CID
J-1001199-1
Molecular Formula
C27H33BrO5S
Chinese Name
3,20-二氧代孕甾-4-烯-21-基 4-溴苯磺酸酯
Molecular Weight
549.51700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point645.9ºC at 760mmHg
Density1.42g/cm3
Flash Point344.4ºC

Frequently Asked Questions

What is the CAS number of 3,20-Dioxopregn-4-en-21-yl 4-bromobenzenesulfonate?

The CAS number of 3,20-Dioxopregn-4-en-21-yl 4-bromobenzenesulfonate is 21170-34-3.

What are the molecular formula and molecular weight of 3,20-Dioxopregn-4-en-21-yl 4-bromobenzenesulfonate?

3,20-Dioxopregn-4-en-21-yl 4-bromobenzenesulfonate has molecular formula C27H33BrO5S and molecular weight 549.51700 g/mol.

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

Last updated:

How to cite: Jingsj. "3,20-Dioxopregn-4-en-21-yl 4-bromobenzenesulfonate (CAS 21170-34-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1001199-1 (accessed 2026-10-23).

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