Celecoxib Impurity 48 CAS 921617-76-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 921617-76-7 |
| Molecular Formula | C17H13F3N2O3S |
| Molecular Weight | 382.36 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Celecoxib Impurity 48 (CAS 921617-76-7) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C17H13F3N2O3S. Molecular weight: 382.36 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C17H13F3N2O3S |
| Molecular Weight | 382.36 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Celecoxib Standards
- Celecoxib (CAS 169590-42-5)
- Celecoxib EP Impurity A (CAS 170570-01-1)
- Celecoxib EP Impurity B (CAS 331943-04-5)
- Celecoxib Impurity 42 (CAS CATO-C4X-104342)
- Celecoxib Impurity 8 (CAS 170569-99-0)
- Celecoxib Impurity 12 (CAS 1061214-09-2)
- Celecoxib Impurity 26 (Mixture of Z and E Isomers) (CAS CATO-C4X-104326)
- Celecoxib-d4 (CAS 544686-20-6)
Recommended Standards
- tert-Butyl 6-(((trifluoromethyl)sulfonyl)oxy)-3,4-dihydro-2,7-naphthyridine-2(1H)-carboxylate (CAS 893566-80-8)
- N-Nitroso Lansoprazole EP Impurity C (CAS CATO-C4X-111357)
- N'-methyl-N'-(3-(trifluoromethyl)quinoxalin-2-yl)benzenesulfonohydrazide (CAS 343372-58-7)
- Polaprezinc impurity 30 (CAS 85460-75-9)
- Naltrexone impurity 51 (CAS CATO-C4X-147551)
- 8-Azaspiro[4.5]Decane-2-carboxylic acid (CAS 1508135-36-1)
- 2-(1-Imidazolyl)benzoic Acid (CAS 159589-67-0)
- 4-(Pyridin-2-ylmethylsulfanylmethyl)-piperidine-1-carboxylic acid tert-butyl ester (CAS 1353971-65-9)
- 5-Bromo-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 85216-57-5)
- [2-31]-Semaglutide C (x TFA Salt) (CAS CATO-C4X-2226118)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com