| CAS No. | 478067-53-7 |
| Molecular Formula | C14H14O3S3 |
| Molecular Weight | 326.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 326.45 g/mol gives 4-((3-Methoxyphenyl)thio)-2,3-dihydro-4H-thieno[2,3-b]thiopyran 1,1-dioxide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-((3-Methoxyphenyl)thio)-2,3-dihydro-4H-thieno[2,3-b]thiopyran 1,1-dioxide (CAS 478067-53-7) is a high-purity analytical reference standard with the molecular formula C14H14O3S3 and a molecular weight of 326.45 g/mol.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system, 4-((3-Methoxyphenyl)thio)-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 326.45 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-((3-Methoxyphenyl)thio)-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 | C14H14O3S3 |
| Molecular Weight | 326.45 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 3 |