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API Impurities

Valdecoxib Sulfonic Acid

Reference StandardAvailable on request

Buy Valdecoxib Sulfonic Acid (CAS 181696-35-5) from Zemixal. Request a quote with price, lead time and documents. Part of our API Impurities range.

Pack sizes
Valdecoxib Sulfonic Acid chemical structure
CAS number181696-35-5
FormulaC16H13NO4S
Molar mass315.3 g/mol
Physical formSolid
HS code38229090
InChIKeyLLWOSCPRJRUVST-UHFFFAOYSA-N
IUPAC name4-(5-methyl-3-phenyl-1,2-oxazol-4-yl)benzenesulfonic acid

About Valdecoxib Sulfonic Acid

Valdecoxib Sulfonic Acid is supplied by Zemixal as a characterised reference material for Parecoxib analysis. For your records (Reference Standard), the material is defined by CAS 181696-35-5, formula C16H13NO4S and molar mass 315.3 g/mol. It is handled as a solid.

Where it is used

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

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Parecoxib

See every impurity, metabolite and related compound we list for this API.

Parecoxib standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Valdecoxib Sulfonic Acid
Product nameValdecoxib Sulfonic Acid
Catalogue numberZX-022976
CAS number181696-35-5
IUPAC name4-(5-methyl-3-phenyl-1,2-oxazol-4-yl)benzenesulfonic acid
Molecular formulaC16H13NO4S
Molar mass315.3 g/mol
Exact mass315.0565
GradeReference Standard
Physical formSolid
XLogP32.8
H-bond donors / acceptors1 / 5
Topological polar surface area88.8 Ų
HS code38229090
InChIKeyLLWOSCPRJRUVST-UHFFFAOYSA-N
SMILESCC1=C(C(=NO1)C2=CC=CC=C2)C3=CC=C(C=C3)S(=O)(=O)O
PubChem CID11565904
Synonyms4-(5-Methyl-3-phenylisoxazol-4-yl)benzenesulfonic acid, Benzenesulfonic acid, 4-(5-methyl-3-phenyl-4-isoxazolyl)-, 4-(5-Methyl-3-phenyl-4-isoxazolyl)benzenesulfonic Acid, Valdecoxib metabolite M8, 4-(5-Methyl-3-phenyl-4-isoxazolyl)benzenesulphonic acid, 4-(5-Methyl-3-phenylisoxazol-4-yl)phenylsulfonic acid, 4-(5-Methyl-3-phenylisoxazol-4-yl)phenylsulphonic acid, Benzenesulphonic acid, 4-(5-methyl-3-phenyl-4-isoxazolyl)-, 4-(5-Methyl-3-phenylisoxazol-4-yl)benzenesulfonicacid, 4-(5-Methyl-3-phenyl-1,2-oxazol-4-yl)benzene-1-sulfonic acid, 4-(5-methyl-3-phenyl-isoxazol-4-yl)benzenesulfonic acid

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Valdecoxib Sulfonic Acid
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Valdecoxib Sulfonic Acid

Which CAS number identifies Valdecoxib Sulfonic Acid?
Valdecoxib Sulfonic Acid is registered under CAS 181696-35-5. You may also see it listed as 4-(5-Methyl-3-phenylisoxazol-4-yl)benzenesulfonic acid, Benzenesulfonic acid, 4-(5-methyl-3-phenyl-4-isoxazolyl)-, 4-(5-Methyl-3-phenyl-4-isoxazolyl)benzenesulfonic Acid. Our catalogue number for this item is ZX-022976.
What are the formula and molar mass of Valdecoxib Sulfonic Acid?
For Valdecoxib Sulfonic Acid, its formula is C16H13NO4S and its molar mass is 315.3 g/mol. The systematic (IUPAC) name is 4-(5-methyl-3-phenyl-1,2-oxazol-4-yl)benzenesulfonic acid. InChIKey LLWOSCPRJRUVST-UHFFFAOYSA-N lets you match it in any structure database.
How is Valdecoxib Sulfonic Acid used in pharmaceutical QC?
Valdecoxib Sulfonic Acid is a characterised reference material linked to Parecoxib. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Valdecoxib Sulfonic Acid?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Valdecoxib Sulfonic Acid?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Valdecoxib Sulfonic Acid to my country?
Yes. Valdecoxib Sulfonic Acid ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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