3'-Sulfonamide Valdecoxib

3'-磺胺伐地考昔

Also known as: 3-(5-methyl-4-phenylisoxazol-3-yl)benzenesulfonamide, Benzenesulfonamide, 3-(5-methyl-4-phenyl-3-isoxazolyl)-, Parecoxib Impurity 43, Parecoxib Sodium Impurity 51, Parecoxib Sodium-9, Valdecoxib 3'-Sulfonamide Impurity

3'-Sulfonamide Valdecoxib (CAS 1373038-56-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C16H14N2O3S and a molecular weight of 314.35900 g/mol. It is also known as 3-(5-methyl-4-phenylisoxazol-3-yl)benzenesulfonamide, Benzenesulfonamide, 3-(5-methyl-4-phenyl-3-isoxazolyl)- and Parecoxib Impurity 43. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1373038-56-2
Jingsj CID: J-1967089-0
Molecular Formula: C₁₆H₁₄N₂O₃S
Chinese Name: 3'-磺胺伐地考昔
Molecular Weight: 314.35900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 3'-Sulfonamide Valdecoxib?

The CAS number of 3'-Sulfonamide Valdecoxib is 1373038-56-2.

What are the molecular formula and molecular weight of 3'-Sulfonamide Valdecoxib?

3'-Sulfonamide Valdecoxib has molecular formula C16H14N2O3S and molecular weight 314.35900 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. "3'-Sulfonamide Valdecoxib (CAS 1373038-56-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1967089-0 (accessed 2026-10-22).

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