4-Hydroxy-5,6-dihydro-4H-thieno[2,3-b]thiopyran 7,7-dioxide CAS 137004-58-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 137004-58-1 |
| Molecular Formula | C7H8O3S2 |
| Molecular Weight | 204.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Hydroxy-5,6-dihydro-4H-thieno[2,3-b]thiopyran 7,7-dioxide (CAS 137004-58-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H8O3S2. Molecular weight: 204.27 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H8O3S2 |
| Molecular Weight | 204.27 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Sulfur Atoms | 2 |
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