Etoricoxib Impurity 1 CAS 325855-74-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 325855-74-1 |
| Molecular Formula | C18H15ClN2O3S |
| Molecular Weight | 374.84 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Etoricoxib Impurity 1 (CAS 325855-74-1) pharmacopoeial impurity standards reference standard. Molecular formula: C18H15ClN2O3S. Molecular weight: 374.84 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C18H15ClN2O3S |
| Molecular Weight | 374.84 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Etoricoxib Standards
- Etoricoxib Impurity 10 (CAS 349536-41-0)
- Etoricoxib Impurity 24 (CAS 325855-71-8)
- Etoricoxib Impurity 10 (CAS 646459-45-2)
- Etoricoxib Impurity 85 (CAS CATO-C4X-108085)
- Etoricoxib Impurity 26 (CAS CATO-C4X-108026)
- Etoricoxib Impurity 34 (CAS CATO-C4X-108034)
- Etoricoxib Impurity 8 (CAS 646459-39-4)
- Etoricoxib D4 (CAS 1131345-14-6)
Recommended Standards
- 5-(2-Chlorophenyl)-4-((2,4-dimethoxybenzylidene)amino)-4H-1,2,4-triazole-3-thiol (CAS 352329-58-9)
- Etizolam Impurity 29 (CAS CATO-C4X-350929)
- 4-(4-Chloro-2-methylphenoxy)-5-methanesulfonyl-2-phenylpyrimidine (CAS 478080-90-9)
- Fluralaner Impurity 20 (CAS CATO-C4X-218020)
- Brexpiprazole Impurity 23 (CAS CATO-C4X-113123)
- 1-{1-[(3,4-dichlorophenyl)methyl]-4,6-dimethyl-1H-pyrazolo[3,4-b]pyridin-3-yl}-1H-pyrrole (CAS 478047-17-5)
- Benzyl azetidine-2-carboxylate (CAS 912335-90-1)
- Benzylpenicillin Impurity 75 (CAS CATO-C4X-189975)
- {1-[amino(phenyl)methyl]cyclopentyl}methanol (CAS 1859652-90-6)
- Uremic Pentapeptide (CAS 71494-20-7)
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