Firocoxib

非罗考昔

Also known as: 3-(Cyclopropylmethoxy)-5,5-dimethyl-4-(4-methylsulfonylphenyl)furan-2-one, 3-(Cyclopropylmethoxy)-5,5-dimethyl-4-[4-(methylsulfonyl)phenyl]-2(5H)-furanone, Equioxx, Previcox, ML 1785713, UNII-Y6V2W4S4WT

Firocoxib (CAS 189954-96-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H20O5S and a molecular weight of 336.403 g/mol. It is also known as 3-(Cyclopropylmethoxy)-5,5-dimethyl-4-(4-methylsulfonylphenyl)furan-2-one, 3-(Cyclopropylmethoxy)-5,5-dimethyl-4-[4-(methylsulfonyl)phenyl]-2(5H)-furanone and Equioxx. Key properties include a melting point of 78-80°C, a boiling point of 563.9±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 294.8±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
189954-96-9
Jingsj CID
J-1979141-2
Molecular Formula
C17H20O5S
Chinese Name
非罗考昔
Molecular Weight
336.403 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point78-80°C
Boiling Point563.9±50.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point294.8±30.1 °C

Frequently Asked Questions

What is the CAS number of Firocoxib?

The CAS number of Firocoxib is 189954-96-9.

What are the molecular formula and molecular weight of Firocoxib?

Firocoxib has molecular formula C17H20O5S and molecular weight 336.403 g/mol.

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

Last updated:

How to cite: Jingsj. "Firocoxib (CAS 189954-96-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1979141-2 (accessed 2026-10-23).

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