| CAS No. | 338749-38-5 |
| Molecular Formula | C13H9Cl3N2O2S2 |
| Molecular Weight | 395.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 395.71 g/mol gives 4-(2-(2,4,6-Trichlorophenyl)hydrazono)-2,3-dihydro-4H-thieno[2,3-b]thiopyran 1,1-dioxide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(2-(2,4,6-Trichlorophenyl)hydrazono)-2,3-dihydro-4H-thieno[2,3-b]thiopyran 1,1-dioxide (CAS 338749-38-5), molecular formula C13H9Cl3N2O2S2 and molecular weight 395.71 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, 4-(2-(2,4,6-Trichlorophenyl)hydrazono)-2,3-dihydro-4H-thieno[2,3-b]thiopyran 1,1-dioxide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 395.71 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-(2-(2,4,6-Trichlorophenyl)hydrazono)-2,3-dihydro-4H-thieno[2,3-b]thiopyran 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 | C13H9Cl3N2O2S2 |
| Molecular Weight | 395.71 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |