5-Chlorothiophene-3-boronic acid CAS 199659-23-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 199659-23-9 |
| Molecular Formula | C4H4BClO2S |
| Molecular Weight | 162.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chlorothiophene-3-boronic acid (CAS 199659-23-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4H4BClO2S. Molecular weight: 162.40 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H4BClO2S |
| Molecular Weight | 162.40 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 2014 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorothiophene Standards
- 4-Chlorothiophene-2-boronic acid (CAS 1133931-02-8)
- 4-Chlorothiophene-3-carboxamide (CAS 1174537-09-7)
- 3-Chlorothiophene-2-carboxamide (CAS 147123-68-0)
- 4-Chlorothiophene-2-carboxamide (CAS 176203-88-6)
- 5-Chlorothiophene-3-carboxamide (CAS 189330-09-4)
- 2-Chlorothiophene-3-carboxamide (CAS 189330-14-1)
- 4-Chlorothiophene-2-carboximidamide (CAS 1361003-73-7)
- 2-Acetyl-3-chlorothiophene (CAS 89581-82-8)
Recommended Standards
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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