Etoricoxib impurity 56 CAS 646459-51-0
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 646459-51-0 |
| Molecular Formula | C26H22ClNO4S2 |
| Molecular Weight | 512.04 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Etoricoxib impurity 56 (CAS 646459-51-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C26H22ClNO4S2. Molecular weight: 512.04 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C26H22ClNO4S2 |
| Molecular Weight | 512.04 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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 | 1 |
| Sulfur Atoms | 2 |
Related Etoricoxib Standards
- Etoricoxib impurity 53 (CAS 646459-43-0)
- Etoricoxib impurity 54 (CAS 646459-47-4)
- Etoricoxib impurity 55 (CAS 646459-40-7)
- Etoricoxib Impurity 21 (CAS CATO-C4X-108021)
- Etoricoxib Impurity 33 (CAS 1817735-82-2)
- Etoricoxib Impurity 92 (CAS CATO-C4X-108092)
- Etoricoxib Impurity 50 (CAS CATO-C4X-108050)
- Etoricoxib Impurity 12 (CAS CATO-C4X-108012)
Recommended Standards
- N-(4-Chlorophenyl)-2-((3-(4-methoxyphenyl)-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 618431-94-0)
- Dasatinib-d8 N-Oxide (CAS 1189988-36-0)
- N-(3-Chlorophenyl)-2-((3-(4-methoxyphenyl)-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 477330-67-9)
- Landiolol Impurity N11 HCl (CAS 1253907-81-1)
- Nebivolol Impurity 104 (CAS 1345202-52-9)
- Rimegepant Impurity 157 (CAS CATO-C4X-2487157)
- Olmesartan Impurity 44 (CAS CATO-C4X-109744)
- 2-Bromo-4-(trifluoromethyl)thiazole-5-carboxamide (CAS 1823883-11-9)
- 3-(Bis(2-hydroxyethyl)amino)-5-(trifluoromethyl)picolinonitrile (CAS 1672655-86-5)
- Crustacean Cardioactive Peptide (CAS 107090-96-0)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com