5-Hydroxy-2,3-dihydrobenzo[b]thiophene 1,1-dioxide CAS 1781541-86-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1781541-86-3 |
| Molecular Formula | C8H8O3S |
| Molecular Weight | 184.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Hydroxy-2,3-dihydrobenzo[b]thiophene 1,1-dioxide (CAS 1781541-86-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H8O3S. Molecular weight: 184.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H8O3S |
| Molecular Weight | 184.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 2-Chloro-4-fluoro-2-thiomorpholinomethyl benzophenone (CAS 898782-17-7)
- Semaglutide impurity 39 (CAS CATO-C4X-222639)
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