| CAS No. | 1000575-69-8 |
| Molecular Formula | C9H9FN2O2S2 |
| Molecular Weight | 260.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 260.31 g/mol gives 7-Fluoro-4-methyl-3-(methylthio)-4H-benzo[e][1,2,4]thiadiazine 1,1-dioxide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 7-Fluoro-4-methyl-3-(methylthio)-4H-benzo[e][1,2,4]thiadiazine 1,1-dioxide (CAS 1000575-69-8), a certified reference material (molecular formula C9H9FN2O2S2, MW 260.31 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution, 7-Fluoro-4-methyl-3-(methylthio)-4H-benzo[e][1,2,4]thiadiazine 1,1-dioxide is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 260.31 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.
CATO manufactures 7-Fluoro-4-methyl-3-(methylthio)-4H-benzo[e][1,2,4]thiadiazine 1,1-dioxide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C9H9FN2O2S2 |
| Molecular Weight | 260.31 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 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |