Etoricoxib impurity 55 CAS 646459-40-7
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 646459-40-7 |
| Molecular Formula | C25H22ClN3O3S |
| Molecular Weight | 479.98 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Etoricoxib impurity 55 (CAS 646459-40-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C25H22ClN3O3S. Molecular weight: 479.98 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C25H22ClN3O3S |
| Molecular Weight | 479.98 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Etoricoxib Standards
- Etoricoxib Impurity 21 (CAS CATO-C4X-108021)
- Etoricoxib Impurity 33 (CAS 1817735-82-2)
- Etoricoxib Impurity 92 (CAS CATO-C4X-108092)
- Etoricoxib impurity 56 (CAS 646459-51-0)
- Etoricoxib Impurity 12 (CAS CATO-C4X-108012)
- Etoricoxib impurity 01 (CAS 646459-49-6)
- Etoricoxib impurity 53 (CAS 646459-43-0)
- Etoricoxib impurity 54 (CAS 646459-47-4)
Recommended Standards
- N-(4-Chloro-2-methoxy-5-methylphenyl)-2-((5-(pyridin-4-yl)-4-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 477318-74-4)
- 2,7-Dibromo-9-(4-bromophenyl)-9H-carbazole (CAS 1313900-20-7)
- Letaxaban (CAS 870262-90-1)
- Enzalutamide Impurity 24 (CAS 403-24-7)
- Azasetron lmpurity 3 (CAS 5043-81-2)
- N-methyl-1-(naphthalen-2-yl)methanimine oxide (CAS 41106-04-1)
- (R)-Methyl 2-(((benzyloxy)carbonyl)amino)-2-phenylacetate (CAS 147780-60-7)
- 2-(3,4-dihydro-2H-1-benzopyran-4-yl)-1H-imidazole (CAS 945389-44-6)
- 3,3,3-Trifluoropropanamide (CAS 460-75-3)
- Semaglutide impurity 78 (CAS CATO-C4X-222678)
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