4-Chloro-3-(difluoromethyl)-5-hydroxypyridine-2-sulfonamide CAS 1805172-35-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1805172-35-3 |
| Molecular Formula | C6H5ClF2N2O3S |
| Molecular Weight | 258.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-3-(difluoromethyl)-5-hydroxypyridine-2-sulfonamide (CAS 1805172-35-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H5ClF2N2O3S. Molecular weight: 258.63 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H5ClF2N2O3S |
| Molecular Weight | 258.63 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 3-Chloro-2-(pyridin-3-yl)-5-(trifluoromethyl)pyridine (CAS 1214324-38-5)
- 2-Chloro-3-(pyridin-3-yl)-6-(trifluoromethyl)pyridine (CAS 1214347-45-1)
- 2-Chloro-3-(pyridin-4-yl)-6-(trifluoromethyl)pyridine (CAS 1214355-04-0)
- 3-Chloro-2-(pyridin-3-yl)-6-(trifluoromethyl)pyridine (CAS 1214356-58-7)
- 3-Chloro-2-(pyridin-4-yl)-6-(trifluoromethyl)pyridine (CAS 1214366-95-6)
- 2-Chloro-3-(pyridin-4-yl)-5-(trifluoromethyl)pyridine (CAS 1214366-98-9)
- 3-Chloro-2-(pyridin-4-yl)-5-(trifluoromethyl)pyridine (CAS 1214370-11-2)
- 2-Chloro-3-(pyridin-3-yl)-5-(trifluoromethyl)pyridine (CAS 1214370-14-5)
Recommended Standards
- 6-Chloro-4-(difluoromethyl)-5-hydroxypyridine-2-sulfonamide (CAS 1804858-31-8)
- 4-Amino-6-(difluoromethyl)-3-hydroxypyridine-2-sulfonyl chloride (CAS 1805212-79-6)
- 4-Amino-6-(difluoromethyl)-5-hydroxypyridine-3-sulfonyl chloride (CAS 1804514-27-9)
- 5-(4-(Pyrrolidin-1-ylsulfonyl)phenyl)-4-((tetrahydrofuran-2-yl)methyl)-4H-1,2,4-triazole-3-thiol (CAS 917750-27-7)
- 2-(2-Fluoro-5-methyl-3-(trifluoromethyl)phenyl)acetic acid (CAS 1706452-86-9)
- Methyl 3-amino-4-(4-benzoylpiperazin-1-yl)benzoate (CAS 889946-60-5)
- 1-Bromo-3-cyclohexyloxy-4-methylbenzene (CAS 1369833-16-8)
- N-(2-((6-Methylpyridazin-3-yl)amino)ethyl)benzo[d][1,3]dioxole-5-carboxamide (CAS 1171067-02-9)
- Linezolid Impurity 111 (CAS 588708-63-8)
- Gly-Neuroendocrine Regulatory Peptide-3 (human, mouse, rat) trifluoroacetate salt (CAS 1815618-19-9)
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