N-(4-Chloro-3-methyl-1,2-oxazol-5-yl)-4-methoxy-N-(4-methoxybenzenesulfonyl)benzene-1-sulfonamide CAS 478262-44-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478262-44-1 |
| Molecular Formula | C18H17ClN2O7S2 |
| Molecular Weight | 472.92 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies N-(4-Chloro-3-methyl-1,2-oxazol-5-yl)-4-methoxy-N-(4-methoxybenzenesulfonyl)benzene-1-sulfonamide (CAS 478262-44-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H17ClN2O7S2. Molecular weight: 472.92 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H17ClN2O7S2 |
| Molecular Weight | 472.92 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 |
Related N Standards
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Recommended Standards
- methyl (1R,3S)-1-(1-(tert-butoxycarbonyl)-5-chloro-1H-indol-3-yl)-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylate (CAS 1395347-28-0)
- Capivasertib Impurity 29 (CAS CATO-C4X-331229)
- Terbutaline impurity 127 (CAS CATO-C4X-1183127)
- rac-tert-butyl (2R,3R,6S)-2,6-dimethylpiperidine-3-carboxylate hydrochloride (CAS 1989638-31-4)
- 4-Bromobenzofuran-7-ol (CAS 1522197-58-5)
- 1-{[1,2,3,4]tetrazolo[1,5-a]pyrazin-5-yl}piperidine-4-carboxylic acid (CAS 1307025-38-2)
- 1,6-Diazaspiro[3.3]heptane (CAS 51231-68-6)
- (5-Bromopyridin-3-yl)(thiomorpholino)methanone (CAS 1197957-37-1)
- Sodium Octanoate (CAS 1984-06-1)
- Protein Kinase C (19-36) Peptide (CAS 113731-96-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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