8-Methoxy-2-oxo-2,3,4,5-tetrahydro-1h-benzo[b]azepine-7-sulfonyl chloride CAS 1421603-93-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1421603-93-1 |
| Molecular Formula | C11H12ClNO4S |
| Molecular Weight | 289.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
8-Methoxy-2-oxo-2,3,4,5-tetrahydro-1h-benzo[b]azepine-7-sulfonyl chloride (CAS 1421603-93-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H12ClNO4S. Molecular weight: 289.74 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H12ClNO4S |
| Molecular Weight | 289.74 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- Tert-butyl (3,3-difluorocyclobutyl)(methyl)carbamate (CAS 2299776-40-0)
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- Diisopropyl 3-benzoyl-7-(pyridin-4-yl)indolizine-1,2-dicarboxylate (CAS 853334-28-8)
- 1-(3-fluoro-5-methyl-phenyl)hexahydropyrimidine-2,4-dione (CAS 1514277-50-9)
- Paliperidone Impurity 40 (CAS CATO-C4X-172440)
- Semaglutide impurity 258 (CAS CATO-C4X-2226258)
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