| CAS No. | 1809278-99-6 |
| Molecular Formula | C17H19NO3SSi |
| Molecular Weight | 345.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), 6-Methyl-3-(trimethylsilyl)dibenzo[c,f][1,2]thiazepin-11(6H)-one 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.
6-Methyl-3-(trimethylsilyl)dibenzo[c,f][1,2]thiazepin-11(6H)-one 5,5-dioxide (CAS 1809278-99-6) is a high-purity analytical reference standard with the molecular formula C17H19NO3SSi and a molecular weight of 345.49 g/mol.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 6-Methyl-3-(trimethylsilyl)dibenzo[c,f][1,2]thiazepin-11(6H)-one 5,5-dioxide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 345.49 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
| Molecular Formula | C17H19NO3SSi |
| Molecular Weight | 345.49 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |