Ethyl 5-chlorobenzo[b]thiophene-2-carboxylate CAS 13771-67-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 13771-67-0 |
| Molecular Formula | C11H9ClO2S |
| Molecular Weight | 240.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 5-chlorobenzo[b]thiophene-2-carboxylate (CAS 13771-67-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H9ClO2S. Molecular weight: 240.71 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H9ClO2S |
| Molecular Weight | 240.71 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- Ethyl 6-Chlorobenzo[b]thiophene-2-carboxylate (CAS 105191-53-5)
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- 1-(4-Chlorobenzo[d]thiazol-2-yl)azetidin-3-ol (CAS 1421498-46-5)
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- 4-(7-Chlorobenzo[d][1,3]dioxol-5-yl)oxazolidin-2-one (CAS 1484011-24-6)
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Recommended Standards
- 1-(4-((Chloromethyl)sulfonyl)piperazin-1-yl)ethan-1-one (CAS 1340172-42-0)
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Why CATO?
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com