N-(4-Chloro-3-methyl-1,2-oxazol-5-yl)-N-(3,4-dimethoxybenzenesulfonyl)-3,4-dimethoxybenzene-1-sulfonamide CAS 478262-51-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478262-51-0 |
| Molecular Formula | C20H21ClN2O9S2 |
| Molecular Weight | 532.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-(4-Chloro-3-methyl-1,2-oxazol-5-yl)-N-(3,4-dimethoxybenzenesulfonyl)-3,4-dimethoxybenzene-1-sulfonamide (CAS 478262-51-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H21ClN2O9S2. Molecular weight: 532.97 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H21ClN2O9S2 |
| Molecular Weight | 532.97 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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