Flurbiprofen Impurity 1

氟比洛芬杂质1

Also known as: Flurbiprofen Impurity I, Flurbiprofen Related Impurity 1, Diethyl 2-(2-fluoro[1,1'-biphenyl]-4-yl)-2-methylmalonate, Propanedioic acid, 2-(2-fluoro[1,1'-biphenyl]-4-yl)-2-methyl-, 1,3-diethyl ester, diethyl 2-(2-fluoro-4-biphenylyl)-2-methylmalonate, diethyl 2-(2-fluorobiphenyl-4-yl)-2-methylmalonate, diethyl 2-methyl-2-((3'-fluoro-4'-phenyl)phenyl)malonate, diethyl 2-methyl-2-[(3'-fluoro-4'-phenyl)-phenyl]-malonate

Flurbiprofen Impurity 1 (CAS 42771-81-3) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H21FO4 and a molecular weight of 344.37700 g/mol. It is also known as Flurbiprofen Impurity I, Flurbiprofen Related Impurity 1 and Diethyl 2-(2-fluoro[1,1'-biphenyl]-4-yl)-2-methylmalonate. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
42771-81-3
Jingsj CID
J-1314496-8
Molecular Formula
C20H21FO4
Chinese Name
氟比洛芬杂质1
Molecular Weight
344.37700 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of Flurbiprofen Impurity 1?

The CAS number of Flurbiprofen Impurity 1 is 42771-81-3.

What are the molecular formula and molecular weight of Flurbiprofen Impurity 1?

Flurbiprofen Impurity 1 has molecular formula C20H21FO4 and molecular weight 344.37700 g/mol.

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

Last updated:

How to cite: Jingsj. "Flurbiprofen Impurity 1 (CAS 42771-81-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1314496-8 (accessed 2026-10-25).

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