5-chlorothieno[3,2-b]pyridine-2-sulfonyl chloride CAS 205055-20-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 205055-20-5 |
| Molecular Formula | C7H3Cl2NO2S2 |
| Molecular Weight | 268.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-chlorothieno[3,2-b]pyridine-2-sulfonyl chloride (CAS 205055-20-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H3Cl2NO2S2. Molecular weight: 268.14 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H3Cl2NO2S2 |
| Molecular Weight | 268.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related chlorothieno Standards
- 4-Chlorothieno[3,2-d]pyrimidine-6-sulfonyl chloride (CAS 1156137-19-7)
- 2-chlorothieno[3,2-d]pyrimidine-6-sulfonyl chloride (CAS 1955520-07-6)
- 6-Benzyl-4-chlorothieno[2,3-d]pyrimidine (CAS 439692-63-4)
- 4-chlorothieno[2,3-d]pyrimidine-6-sulfonyl chloride (CAS 1155084-27-7)
- Methyl 4-chlorothieno[3,2-c]quinoline-6-carboxylate (CAS 1269468-11-2)
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- Methyl 4-chlorothieno[2,3-c]quinoline-6-carboxylate (CAS 1269468-16-7)
- 4-{2-Chlorothieno[3,2-d]pyrimidin-4-yl}morpholine (CAS 16234-15-4)
Recommended Standards
- 5-Chloro-2-(4-chloro-3-methylphenoxy)aniline (CAS 90207-16-2)
- ethyl 2,4-dichloropyrrolo[2,1-f][1,2,4]triazine-5-carboxylate (CAS 2069971-89-5)
- 5-Chloro-2-(2-chloro-5-methylphenoxy)aniline (CAS 946715-06-6)
- 1-[(2-chloro-2-phenylethyl)sulphonyl]-4-(trifluoromethyl)benzene (CAS 244278-56-6)
- 4-[(4-ethoxyphenyl)sulfamoyl]benzoic acid (CAS 18813-87-1)
- Potassium 1-(4-chlorophenyl)-6-methyl-4-oxo-1,4-dihydropyridazine-3-carboxylate (CAS 83588-43-6)
- (E)-N'-(2,4-Dichlorobenzylidene)-2-(trifluoromethyl)benzenesulfonohydrazide (CAS 2301998-90-1)
- 2-(4-Bromophenyl)-2,5,5-trimethylmorpholine (CAS 1017398-15-0)
- (2R,3S,4R,5S)-2-(Aminomethyl)-5-methoxytetrahydrofuran-3,4-diol (CAS 262600-85-1)
- Semaglutide impurity 89 (CAS CATO-C4X-222689)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com