2-Chlorothiophene-3-sulfonyl chloride CAS 1186049-82-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1186049-82-0 |
| Molecular Formula | C4H2Cl2O2S2 |
| Molecular Weight | 217.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chlorothiophene-3-sulfonyl chloride (CAS 1186049-82-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4H2Cl2O2S2. Molecular weight: 217.09 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H2Cl2O2S2 |
| Molecular Weight | 217.09 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Chlorothiophene Standards
- 4-Chlorothiophene-2-sulfonyl chloride (CAS 1016315-26-6)
- 3-Chlorothiophene-2-sulfonyl chloride (CAS 633305-21-2)
- 5-Chlorothiophene-3-sulfonyl chloride (CAS 905277-27-2)
- 5-Butyl-4-chlorothiophene-2-carboxylic acid (CAS 1399663-45-6)
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- 5-Chlorothiophene-2-sulfonohydrazide (CAS 78380-28-6)
- 3-Chlorothiophene-2,5-diboronic acid (CAS 2096332-07-7)
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Recommended Standards
- 1-(2,5-Dichlorophenyl)butan-1-one (CAS 1094664-18-2)
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- 2,2-Dichloro-1-(3,4-dimethyl-phenyl)-Ethanone (CAS 109300-45-0)
- 3-ethenyl-5-fluoropyridine (CAS 1133879-69-2)
- Azetidin-3-yl 2,2,2-trichloroacetate (CAS 1219956-76-9)
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- (1S,3S)-cyclopentane-1,3-diol (CAS 185399-66-0)
- trans-Ethyl 4-hydroxy-1-methylcyclohexanecarboxylate (CAS 1310479-54-9)
- (R)-2-Amino-3-(1H-imidazol-1-yl)propanoic acid (CAS 848396-10-1)
- Semaglutide Impurity 158 (x TFA Salt) (CAS CATO-C4X-2226158)
Why CATO?
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