Methyl 11-oxo-10,11-dihydrodibenzo[b,f][1,4]thiazepine-8-carboxylate 5,5-dioxide CAS 1809143-85-8
| CAS No. | 1809143-85-8 |
| Molecular Formula | C15H11NO5S |
| Molecular Weight | 317.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Methyl 11-oxo-10,11-dihydrodibenzo[b,f][1,4]thiazepine-8-carboxylate 5,5-dioxide is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Methyl 11-oxo-10,11-dihydrodibenzo[b,f][1,4]thiazepine-8-carboxylate 5,5-dioxide (CAS 1809143-85-8), molecular formula C15H11NO5S and molecular weight 317.32 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl 11-oxo-10,11-dihydrodibenzo[b,f][1,4]thiazepine-8-carboxylate 5,5-dioxide (C15H11NO5S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 317.32 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Methyl 11-oxo-10,11-dihydrodibenzo[b,f][1,4]thiazepine-8-carboxylate 5,5-dioxide 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.
Physical & Chemical Properties
| Molecular Formula | C15H11NO5S |
| Molecular Weight | 317.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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