2-Chloro-5-(difluoromethyl)-4-hydroxypyridine-3-sulfonamide CAS 1807060-38-3
| CAS No. | 1807060-38-3 |
| Molecular Formula | C6H5ClF2N2O3S |
| Molecular Weight | 258.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Chloro-5-(difluoromethyl)-4-hydroxypyridine-3-sulfonamide (CAS 1807060-38-3) is a high-purity analytical reference standard with the molecular formula C6H5ClF2N2O3S and a molecular weight of 258.63 g/mol.
Based on its molecular formula C6H5ClF2N2O3S, 2-Chloro-5-(difluoromethyl)-4-hydroxypyridine-3-sulfonamide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 258.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 2-Chloro-5-(difluoromethyl)-4-hydroxypyridine-3-sulfonamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
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-5-(difluoromethyl)-3-hydroxypyridine-2-sulfonamide (CAS 1807060-34-9)
- 4-Chloro-2-(difluoromethyl)-5-hydroxypyridine-3-sulfonamide (CAS 1807080-24-5)
- 2-Chloro-3-(difluoromethyl)-6-hydroxypyridine-4-sulfonamide (CAS 1806934-44-0)
- 4-Chloro-2-phenyl-6-(trifluoromethyl)pyrimidine (CAS 184109-83-9)
- 5-((4-Bromophenoxy)methyl)-4-ethyl-4H-1,2,4-triazole-3-thiol (CAS 491647-35-9)
- 7-Fluoro-4-oxo-4H-chromene-3-carbaldehyde (CAS 69155-78-8)
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- 6-Butyl-2-(1-methoxyethyl)pyrimidin-4-amine (CAS 1708437-49-3)
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