4-Chlorothiophene-2-boronic acid CAS 1133931-02-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1133931-02-8 |
| Molecular Formula | C4H4BClO2S |
| Molecular Weight | 162.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chlorothiophene-2-boronic acid (CAS 1133931-02-8) 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.) | 1989 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorothiophene Standards
- 5-Chlorothiophene-3-boronic acid (CAS 199659-23-9)
- 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
- Hexamethyldisiloxane (CAS 107-46-0)
- 2-Chloro-3-thiopheneboronic Acid (CAS 177734-82-6)
- 14357-05-2 2,2,2-trichloroacetate CHEBI:27455 trichloroacetate trichloroacetate anion trichloroacetate(1-) trichloroacetic acid, ion(1-) (CAS 14357-05-2)
- 1-Bromo-6-methylnaphthalene (CAS 68251-76-3)
- Methyl 3-methoxy-4-propoxybenzoate (CAS 3535-26-0)
- ethyl cis-3-fluoro-3-(iodomethyl)cyclobutanecarboxylate (CAS 2378501-54-1)
- 1-[4-(Trifluoromethoxy)phenyl]cyclopropanamine (CAS 1200798-12-4)
- 2-Chloro-N-(2-(trifluoromethoxy)phenyl)acetamide (CAS 656227-27-9)
- 3-Cyclopropoxy-2-ethyl-6-iodopyridine (CAS 1243444-94-1)
- Des-Gln24-Tirzepatide (CAS CATO-CPTD788949)
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