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Celecoxib Related Compound B

Also known as: 4-[3-(4-Methylphenyl)-5-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulfonamide, Celecoxib EP Impurity B, Celecoxib Impurity B, Celecoxib Impurity 4, Isocelecoxib, 4-[3-(4-methylphenyl)-5-(trifluoromethyl)pyrazol-1-yl]benzenesulfonamide, Benzenesulfonamide, 4-[3-(4-methylphenyl)-5-(trifluoromethyl)-1H-pyrazol-1-yl]-

Celecoxib Related Compound B (CAS 331943-04-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H14F3N3O2S and a molecular weight of 381.37200 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
331943-04-5
Jingsj CID
J-1356480-2
Molecular Formula
C17H14F3N3O2S
Molecular Weight
381.37200 g/mol
Category
Organic Compounds
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass381.07600
PSA86.36000
LogP5.29500

Frequently Asked Questions

What is the CAS number of Celecoxib Related Compound B?

The CAS number of Celecoxib Related Compound B is 331943-04-5.

What are the molecular formula and molecular weight of Celecoxib Related Compound B?

Celecoxib Related Compound B has molecular formula C17H14F3N3O2S and molecular weight 381.37200 g/mol.

What are the upstream and downstream products of Celecoxib Related Compound B?

For Celecoxib Related Compound B, Upstream Products: 4,4,4-Trifluoro-1-(4-methylphenyl)-1,3-butanedione, (4-Sulfamoylphenyl)boronic acid, 4-Hydrazinobenzene-1-sulfonamide hydrochloride.

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

Last updated:

How to cite: Jingsj. "Celecoxib Related Compound B (CAS 331943-04-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356480-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.