Parecoxib Impurity 41 CAS 198470-82-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 198470-82-5 |
| Molecular Formula | C20H20N2O4S |
| Molecular Weight | 384.45 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Parecoxib Impurity 41 (CAS 198470-82-5) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H20N2O4S. Molecular weight: 384.45 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H20N2O4S |
| Molecular Weight | 384.45 g/mol |
| Purity | 97%+ |
| 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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Parecoxib Standards
- Parecoxib Impurity 39 (CAS CATO-C4X-159139)
- Parecoxib Impurity 67 (CAS 198471-83-9)
- Parecoxib Impurity 42 (CAS CATO-C4X-159142)
- Parecoxib Impurity 43 (CAS 1373038-59-5)
- Parecoxib Impurity 53 (CAS CATO-C4X-159153)
- Parecoxib Impurity 54 (CAS CATO-C4X-159154)
- Parecoxib Impurity 55 (CAS CATO-C4X-159155)
- Parecoxib Impurity 56 (CAS CATO-C4X-159156)
Recommended Standards
- N-((6-(1H-Imidazol-1-yl)pyridin-3-yl)methyl)-5-(pyrrolidin-1-ylsulfonyl)pyridin-2-amine (CAS 1011092-55-9)
- Sunitinib Impurity 40 (CAS CATO-C4X-133340)
- 2-((5-(((2-Methoxyphenyl)amino)methyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)acetohydrazide (CAS 1306738-51-1)
- Sitagliptin Impurity 65 (CAS 1620129-74-9)
- Enzalutamide Impurity 47 (CAS CATO-C4X-101647)
- 3-[4-(trifluoromethoxy)benzenesulfonamido]propanoic acid (CAS 781626-95-7)
- Ethyl (1S,2S)-rel-2-(6-bromopyridin-3-yl)cyclopropane-1-carboxylate (CAS 1357247-47-2)
- 3-(1,3,2-Dioxaborolan-2-yl)pyridine (CAS 1196-60-7)
- 2-Boc-2-azabicyclo[2.2.2]octane-1-methanol (CAS 936545-64-1)
- Tirzepatide Impurity 52 (CAS CATO-C4X-324052)
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