8-Methoxy-2-oxo-2,3,4,5-tetrahydro-1h-benzo[b]azepine-7-sulfonyl chloride CAS 1421603-93-1
| 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
As a certified reference material (CRM), 8-Methoxy-2-oxo-2,3,4,5-tetrahydro-1h-benzo[b]azepine-7-sulfonyl chloride meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies 8-Methoxy-2-oxo-2,3,4,5-tetrahydro-1h-benzo[b]azepine-7-sulfonyl chloride (CAS 1421603-93-1), a certified reference material (molecular formula C11H12ClNO4S, MW 289.74 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H12ClNO4S, 8-Methoxy-2-oxo-2,3,4,5-tetrahydro-1h-benzo[b]azepine-7-sulfonyl chloride contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 289.74 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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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