4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl… 2338845-31-9

Name: 4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole)
Brand: Vaqora Chemicals
SKU: VQ-044893

About 4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole)

Vaqora Chemicals supplies 4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole), an impurity of Parecoxib registered under CAS number 2338845-31-9. Formula C32H24N2O4S, molecular weight 532.6 g/mol. Systematically, it is named 5-methyl-4-[4-[4-(5-methyl-3-phenyl-1,2-oxazol-4-yl)phenyl]sulfonylphenyl]-3-phenyl-1,2-oxazole.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Parecoxib to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole) in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Parecoxib

View every impurity, metabolite and intermediate we list for Parecoxib.

Parecoxib impurities

Specifications & identifiers

Chemical identifiers
Product name	4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole)
Catalogue No.	VQ-044893
CAS Number	2338845-31-9
IUPAC name	5-methyl-4-[4-[4-(5-methyl-3-phenyl-1,2-oxazol-4-yl)phenyl]sulfonylphenyl]-3-phenyl-1,2-oxazole
Molecular formula	C₃₂H₂₄N₂O₄S
Molecular weight	532.6 g/mol
Exact mass	532.1457
Grade	Reference Standard
HSN code	38229090
InChIKey	AUIOWYYONOZNHZ-UHFFFAOYSA-N
SMILES	CC1=C(C(=NO1)C2=CC=CC=C2)C3=CC=C(C=C3)S(=O)(=O)C4=CC=C(C=C4)C5=C(ON=C5C6=CC=CC=C6)C
PubChem CID	163361050

Physical properties
Physical form	Solid
LogP (XLogP3)	7
H-bond donors / acceptors	0 / 6
TPSA	94.6 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole)?

The CAS Registry Number of 4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole) is 2338845-31-9.

What is the molecular formula and molecular weight of 4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole)?

4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole) has the molecular formula C32H24N2O4S and a molecular weight of 532.6 g/mol. Its IUPAC name is 5-methyl-4-[4-[4-(5-methyl-3-phenyl-1,2-oxazol-4-yl)phenyl]sulfonylphenyl]-3-phenyl-1,2-oxazole.

What is 4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole) used for?

4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole) is supplied as a characterised reference material related to Parecoxib. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole) can I order?

We supply 4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole) in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole)?

Yes. Every lot of 4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole) is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole) be shipped internationally?

Yes. We export 4,4'-(Sulfonylbis(4,1-phenylene))bis(5-methyl-3-phenylisoxazole) worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.