5,6-Difluoropyridine-3-sulfonyl chloride CAS 1261729-75-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1261729-75-2 |
| Molecular Formula | C5H2ClF2NO2S |
| Molecular Weight | 213.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 5,6-Difluoropyridine-3-sulfonyl chloride (CAS 1261729-75-2) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C5H2ClF2NO2S. Molecular weight: 213.59 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C5H2ClF2NO2S |
| Molecular Weight | 213.59 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Difluoropyridine Standards
- 2,6-difluoropyridine-3-sulfonyl chloride (CAS 1261843-52-0)
- 4,6-Difluoropyridine-2-sulfonyl chloride (CAS 1393572-30-9)
- 2,4-Difluoropyridine-3-sulfonyl chloride (CAS 1803731-66-9)
- 4,6-Difluoropyridine-3-sulfonyl chloride (CAS 1803789-78-7)
- 3,5-difluoropyridine-2-sulfonyl chloride (CAS 1261587-79-4)
- 3,5-Difluoropyridine-4-sulfonyl Fluoride (CAS 2031259-04-6)
- Ethyl 3,5-difluoropyridine-2-carboxylate (CAS 1065267-10-8)
- 3,5-Difluoropyridine-2-carboxylic acid dimethylamide (CAS 1245215-73-9)
Recommended Standards
- 2,6-Difluoro-pyridine-4-sulfonyl chloride (CAS 1261468-54-5)
- Methyl 2-chloro-4-cyano-6-fluorobenzoate (CAS 1258298-28-0)
- 3-Chloro-6-fluoro-1H-indole-2-carboxylic acid (CAS 1312138-48-9)
- Methyl 2-bromo-4-cyano-3-methylbenzoate (CAS 1805189-34-7)
- Benzyl n-(5,5-dimethyl-2-oxooxolan-3-yl)carbamate (CAS 30239-01-1)
- 2-(4-Acetyl-6-chloropyridin-2-yl)acetic acid (CAS 1393550-33-8)
- 1-((3-Fluorophenyl)sulfonyl)-4-(2-methoxyphenyl)piperazine (CAS 670272-45-4)
- (5-Bromo-2-chloro-4-methylphenyl)methanol (CAS 2090982-63-9)
- 5-bromo-6-hydroxypyridine-3-carbonitrile (CAS 19840-44-9)
- Semaglutide impurity 26 (CAS CATO-C4X-222626)
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