Tert-butyl 6-fluoro-1-(p-tolyl)-1H-benzo[e][1,3,4]thiadiazine-3-carboxylate 4,4-dioxide CAS 950271-05-3
| CAS No. | 950271-05-3 |
| Molecular Formula | C19H19FN2O4S |
| Molecular Weight | 390.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 390.43 g/mol gives Tert-butyl 6-fluoro-1-(p-tolyl)-1H-benzo[e][1,3,4]thiadiazine-3-carboxylate 4,4-dioxide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Tert-butyl 6-fluoro-1-(p-tolyl)-1H-benzo[e][1,3,4]thiadiazine-3-carboxylate 4,4-dioxide (CAS 950271-05-3) is a high-purity analytical reference standard with the molecular formula C19H19FN2O4S and a molecular weight of 390.43 g/mol.
Tert-butyl 6-fluoro-1-(p-tolyl)-1H-benzo[e][1,3,4]thiadiazine-3-carboxylate 4,4-dioxide (C19H19FN2O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
As a certified reference material (CRM), Tert-butyl 6-fluoro-1-(p-tolyl)-1H-benzo[e][1,3,4]thiadiazine-3-carboxylate 4,4-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 | C19H19FN2O4S |
| Molecular Weight | 390.43 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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