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API Impurities

2,5-Dimethyl Celecoxib

Reference StandardAvailable on request

Buy 2,5-Dimethyl Celecoxib (CAS 457639-26-8) from Zemixal. Request a quote with price, lead time and documents. Exported from India with full paperwork.

Pack sizes
2,5-Dimethyl Celecoxib chemical structure
CAS number457639-26-8
FormulaC18H16F3N3O2S
Molar mass395.4 g/mol
Physical formSolid
HS code38229090
InChIKeyNTFOSUUWGCDXEF-UHFFFAOYSA-N
IUPAC name4-[5-(2,5-dimethylphenyl)-3-(trifluoromethyl)pyrazol-1-yl]benzenesulfonamide

About 2,5-Dimethyl Celecoxib

Zemixal lists 2,5-Dimethyl Celecoxib for laboratories that identify, quantify or control Celecoxib and its related substances. Key data (Reference Standard): CAS 457639-26-8, formula C18H16F3N3O2S and molar mass 395.4 g/mol. It is handled as a solid.

Where it is used

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

Handling and storage

Classified under GHS with signal word Danger and hazard statements H301. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Celecoxib

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

Celecoxib standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 2,5-Dimethyl Celecoxib
Product name2,5-Dimethyl Celecoxib
Catalogue numberZX-032813
CAS number457639-26-8
IUPAC name4-[5-(2,5-dimethylphenyl)-3-(trifluoromethyl)pyrazol-1-yl]benzenesulfonamide
Molecular formulaC18H16F3N3O2S
Molar mass395.4 g/mol
Exact mass395.0915
GradeReference Standard
Physical formSolid
XLogP33.8
H-bond donors / acceptors1 / 7
Topological polar surface area86.4 Ų
HS code38229090
InChIKeyNTFOSUUWGCDXEF-UHFFFAOYSA-N
SMILESCC1=CC(=C(C=C1)C)C2=CC(=NN2C3=CC=C(C=C3)S(=O)(=O)N)C(F)(F)F
PubChem CID11545682
SynonymsCelecoxib 2,5-Dimethyl, 4-(5-(2,5-Dimethylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonamide, 4-[5-(2,5-dimethylphenyl)-3-(trifluoromethyl)-1h-pyrazol-1-yl]benzenesulfonamide, Dimethyl Celecoxib, 4-[5-(2,5-dimethylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]-benzenesulfonamide, 2,5-dimethyl Celecoxib, DMC, 4-[5-(2,5-dimethylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]benzene-1-sulfonamide, Benzenesulfonamide, 4-[5-(2,5-dimethylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]-

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

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity

Signal word Danger

  • H301Toxic if swallowed

Precautionary statements P264, P270, P301 + P316, P321, P330, 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 2,5-Dimethyl Celecoxib
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 2,5-Dimethyl Celecoxib

Which CAS number identifies 2,5-Dimethyl Celecoxib?
2,5-Dimethyl Celecoxib is registered under CAS 457639-26-8. You may also see it listed as Celecoxib 2,5-Dimethyl, 4-(5-(2,5-Dimethylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonamide, 4-[5-(2,5-dimethylphenyl)-3-(trifluoromethyl)-1h-pyrazol-1-yl]benzenesulfonamide. Our catalogue number for this item is ZX-032813.
What are the formula and molar mass of 2,5-Dimethyl Celecoxib?
For 2,5-Dimethyl Celecoxib, its formula is C18H16F3N3O2S and its molar mass is 395.4 g/mol. The systematic (IUPAC) name is 4-[5-(2,5-dimethylphenyl)-3-(trifluoromethyl)pyrazol-1-yl]benzenesulfonamide. InChIKey NTFOSUUWGCDXEF-UHFFFAOYSA-N lets you match it in any structure database.
How is 2,5-Dimethyl Celecoxib used in pharmaceutical QC?
2,5-Dimethyl Celecoxib is a characterised reference material linked to Celecoxib. 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 2,5-Dimethyl Celecoxib?
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 2,5-Dimethyl Celecoxib?
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 2,5-Dimethyl Celecoxib to my country?
Yes. Because 2,5-Dimethyl Celecoxib 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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