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API Reference Standards

Valdecoxib

Reference StandardAvailable on request

Valdecoxib (CAS 181695-72-7) supplier Zemixal. Request a quote with price, lead time and documents. Part of our API Reference Standards range.

Pack sizes
Valdecoxib chemical structure
CAS number181695-72-7
FormulaC16H14N2O3S
Molar mass314.4 g/mol
Physical formSolid
HS code38229090
InChIKeyLNPDTQAFDNKSHK-UHFFFAOYSA-N
IUPAC name4-(5-methyl-3-phenyl-1,2-oxazol-4-yl)benzenesulfonamide

About Valdecoxib

Valdecoxib belongs to the Valdecoxib reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 181695-72-7, formula C16H14N2O3S and molar mass 314.4 g/mol. It is handled as a solid.

Typical applications

  • Identification & assay
  • Method development & validation
  • QC reference material

Storage and safety notes

It carries the GHS signal word Warning (H361, H373 and H410), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Valdecoxib

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

Valdecoxib standards

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Specifications and identifiers

Specifications of Valdecoxib
Product nameValdecoxib
Catalogue numberZX-022974
CAS number181695-72-7
IUPAC name4-(5-methyl-3-phenyl-1,2-oxazol-4-yl)benzenesulfonamide
Molecular formulaC16H14N2O3S
Molar mass314.4 g/mol
Exact mass314.0725
GradeReference Standard
Physical formSolid
XLogP32.6
H-bond donors / acceptors1 / 5
Topological polar surface area94.6 Ų
HS code38229090
InChIKeyLNPDTQAFDNKSHK-UHFFFAOYSA-N
SMILESCC1=C(C(=NO1)C2=CC=CC=C2)C3=CC=C(C=C3)S(=O)(=O)N
PubChem CID119607
Synonyms4-(5-Methyl-3-phenylisoxazol-4-yl)benzenesulfonamide, 4-(5-Methyl-3-phenyl-4-isoxazolyl)benzenesulfonamide, p-(5-Methyl-3-phenyl-4-isoxazolyl)benzenesulfonamide, 4-(5-methyl-3-phenyl-isoxazol-4-yl)benzenesulfonamide, 4-[5-methyl-3-phenylisoxazol-4-yl]benzenesulfonamide, Benzenesulfonamide, 4-(5-methyl-3-phenyl-4-isoxazolyl)-, 4-(5-methyl-3-phenyl-1,2-oxazol-4-yl)benzene-1-sulfonamide, YM-974, 4-(5-methyl-3-phenyl-4-isoxazolyl) benzenesulfonamide, 2aw1, 4-(Methyl-3-phenyl-isoxazol-4-yl)-benzenesulfonamide, EX-A241

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

Safety and GHS hazards

GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • H361Suspected of damaging fertility or the unborn child
  • H373May causes damage to organs through prolonged or repeated exposure
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P203, P260, P273, P280, P318, P319, P391, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Valdecoxib
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

Which CAS number identifies Valdecoxib?
Valdecoxib is registered under CAS 181695-72-7. You may also see it listed as 4-(5-Methyl-3-phenylisoxazol-4-yl)benzenesulfonamide, 4-(5-Methyl-3-phenyl-4-isoxazolyl)benzenesulfonamide, p-(5-Methyl-3-phenyl-4-isoxazolyl)benzenesulfonamide. Our catalogue number for this item is ZX-022974.
What are the formula and molar mass of Valdecoxib?
For Valdecoxib, its formula is C16H14N2O3S and its molar mass is 314.4 g/mol. The systematic (IUPAC) name is 4-(5-methyl-3-phenyl-1,2-oxazol-4-yl)benzenesulfonamide. InChIKey LNPDTQAFDNKSHK-UHFFFAOYSA-N lets you match it in any structure database.
How is Valdecoxib used in pharmaceutical QC?
Valdecoxib is a characterised reference material linked to Valdecoxib. 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?
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?
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 to my country?
Yes. Because Valdecoxib is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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