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VAQORACHEMICALS
API ImpuritiesReference StandardAvailable on request

4-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide

CAS No.181696-12-8
FormulaC16H14N2O3S
Mol. weight314.40
Catalogue No.VQ-027391
PurityReference Standard
HSN38229090

4-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide (CAS 181696-12-8) – Parecoxib impurity standard. C16H14N2O3S, MW 314.4. With COA, ships worldwide.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
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Batch COA with every lot
16-section GHS SDS
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About 4-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide

Vaqora Chemicals supplies 4-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide, an impurity of Parecoxib registered under CAS number 181696-12-8. The compound has the formula C16H14N2O3S, corresponding to a molecular weight of 314.4 g/mol. Its systematic (IUPAC) name is 4-(5-methyl-4-phenyl-1,2-oxazol-3-yl)benzenesulfonamide.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

This Parecoxib impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 4-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide 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 name4-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide
Catalogue No.VQ-027391
CAS Number181696-12-8
IUPAC name4-(5-methyl-4-phenyl-1,2-oxazol-3-yl)benzenesulfonamide
Molecular formulaC16H14N2O3S
Molecular weight314.4 g/mol
Exact mass314.0725
GradeReference Standard
HSN code38229090
InChIKeyBJYUOXUCQMUZRX-UHFFFAOYSA-N
SMILESCC1=C(C(=NO1)C2=CC=C(C=C2)S(=O)(=O)N)C3=CC=CC=C3
PubChem CID53686063
Physical properties
Physical formSolid
LogP (XLogP3)2.6
H-bond donors / acceptors1 / 5
TPSA94.6 Ų

Documents

Frequently asked questions

What is the CAS number of 4-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide?

The CAS Registry Number of 4-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide is 181696-12-8.

What is the molecular formula and molecular weight of 4-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide?

4-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide has the molecular formula C16H14N2O3S and a molecular weight of 314.4 g/mol. Its IUPAC name is 4-(5-methyl-4-phenyl-1,2-oxazol-3-yl)benzenesulfonamide.

What is 4-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide used for?

4-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide 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-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide can I order?

We supply 4-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide 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-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide?

Yes. Every lot of 4-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide 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-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide be shipped internationally?

Yes. We export 4-(5-Methyl-4-phenylisoxazol-3-yl)benzenesulfonamide worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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MW
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