5-Chlorothiophene-2-sulfonyl chloride 5-chlorothiophenesulfonyl chloride 5-chloro-2-thiophenesulfonyl chloride 5-chlorothiophene-2-sulphonyl chloride 5-chlorothiophene-2-sulphonylchloride 5-chlorothiophenesulphonyl chloride 5-chlorothiophen-2-sulfonyl chloride 5-chloro-2-thienylsulfonyl chloride 5-chloro-thiophene-2-sulfonyl chloride 5-chlorothiophene-2-sulfonylchloride 2766-74-7 CAS 2766-74-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2766-74-7 |
| Molecular Formula | C4H6Cl2O2S2 |
| Molecular Weight | 221.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chlorothiophene-2-sulfonyl chloride 5-chlorothiophenesulfonyl chloride 5-chloro-2-thiophenesulfonyl chloride 5-chlorothiophene-2-sulphonyl chloride 5-chlorothiophene-2-sulphonylchloride 5-chlorothiophenesulphonyl chloride 5-chlorothiophen-2-sulfonyl chloride 5-chloro-2-thienylsulfonyl chloride 5-chloro-thiophene-2-sulfonyl chloride 5-chlorothiophene-2-sulfonylchloride 2766-74-7 (CAS 2766-74-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4H6Cl2O2S2. Molecular weight: 221.13 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H6Cl2O2S2 |
| Molecular Weight | 221.13 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 | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Chlorothiophene Standards
- 5-Butyl-4-chlorothiophene-2-carboxylic acid (CAS 1399663-45-6)
- 4-Chlorothiophene-2-sulfonyl chloride (CAS 1016315-26-6)
- 2-Chlorothiophene-3-sulfonyl chloride (CAS 1186049-82-0)
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- 5-Chlorothiophene-3-sulfonyl chloride (CAS 905277-27-2)
- 5-Chlorothiophene-2-sulfonohydrazide (CAS 78380-28-6)
- 5-Chlorothiophene-3-Carbonitrile (CAS 1000340-05-5)
- (5-Chlorothiophene-2-carbonyl)-L-alanine (CAS 869859-77-8)
Recommended Standards
- ZIF-67(Co) (CAS 46201-07-4)
- 2,2,2-Trifluoroethyl pyrimidin-2-ylcarbamate (CAS 1087788-55-3)
- N,2-Dihydroxy-4-(trifluoromethyl)benzamide (CAS 394-37-6)
- 1,1,1-Trifluoro-2-(trifluoromethyl)pent-4-en-2-ol 2-(Allyl)hexafluoroisopropanol 2-Allylhexafluoroisopropanol 97% 646-97-9 (CAS 646-97-9)
- 5-(propan-2-yl)-3-(trifluoromethyl)-1,2-oxazole-4-carboxylic acid (CAS 1697694-79-3)
- 3-nitroimidazo[1,2-b]pyridazine (CAS 18087-75-7)
- 1,3-diethyl 2-(2-fluorophenyl)-2-methylpropanedioate (CAS 1461714-42-0)
- Bis(morpholinothiocarbonyl) disulfide (CAS 729-46-4)
- Muconic acid (CAS 505-70-4)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
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