3-Chloro-4-methylthiophene-2-sulfonyl chloride CAS 2229137-51-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2229137-51-1 |
| Molecular Formula | C5H4Cl2O2S2 |
| Molecular Weight | 231.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-4-methylthiophene-2-sulfonyl chloride (CAS 2229137-51-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C5H4Cl2O2S2. Molecular weight: 231.12 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C5H4Cl2O2S2 |
| Molecular Weight | 231.12 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.) | 1998 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Chloro Standards
- 5-Chloro-7-(chloromethyl)-2,2-dimethyl-2,3-dihydrobenzofuran (CAS 1234844-89-3)
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- 5-Chloro-4-methylthiophene-2-sulfonyl Chloride (CAS 1353435-17-2)
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Recommended Standards
- 3,4-Dichloro-2,2-dimethylpropiophenone (CAS 854891-91-1)
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- 6-Nitroimidazo[1,2-a]pyridine hydrochloride (CAS 957120-37-5)
- 2-Bromo-4-nitrophenol (CAS 5847-59-6)
- Semaglutide impurity 64 (CAS CATO-C4X-222664)
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