Ethyl (2R)-4-[5-fluoro-2-oxo-4-(phenylethynyl)pyridin-1(2H)-yl]-2-methyl-2-(methylsulfonyl)butanoate

乙基(2R)-4-[5-氟-2-氧代-4-(苯基乙炔基)吡啶-1(2H)-基]-2-甲基-2-(甲基磺酰基)丁酸酯

Ethyl (2R)-4-[5-fluoro-2-oxo-4-(phenylethynyl)pyridin-1(2H)-yl]-2-methyl-2-(methylsulfonyl)butanoate (CAS 1398503-74-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C21H22FNO5S and a molecular weight of 419.5 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1398503-74-6
Jingsj CID
J-187819-4
Molecular Formula
C21H22FNO5S
Chinese Name
乙基(2R)-4-[5-氟-2-氧代-4-(苯基乙炔基)吡啶-1(2H)-基]-2-甲基-2-(甲基磺酰基)丁酸酯
Molecular Weight
419.5 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of Ethyl (2R)-4-[5-fluoro-2-oxo-4-(phenylethynyl)pyridin-1(2H)-yl]-2-methyl-2-(methylsulfonyl)butanoate?

The CAS number of Ethyl (2R)-4-[5-fluoro-2-oxo-4-(phenylethynyl)pyridin-1(2H)-yl]-2-methyl-2-(methylsulfonyl)butanoate is 1398503-74-6.

What are the molecular formula and molecular weight of Ethyl (2R)-4-[5-fluoro-2-oxo-4-(phenylethynyl)pyridin-1(2H)-yl]-2-methyl-2-(methylsulfonyl)butanoate?

Ethyl (2R)-4-[5-fluoro-2-oxo-4-(phenylethynyl)pyridin-1(2H)-yl]-2-methyl-2-(methylsulfonyl)butanoate has molecular formula C21H22FNO5S and molecular weight 419.5 g/mol.

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

Last updated:

How to cite: Jingsj. "Ethyl (2R)-4-[5-fluoro-2-oxo-4-(phenylethynyl)pyridin-1(2H)-yl]-2-methyl-2-(methylsulfonyl)butanoate (CAS 1398503-74-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-187819-4 (accessed 2026-10-24).

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