4-(Difluoromethyl)-5-hydroxy-3-nitropyridine-2-sulfonyl chloride CAS 1805394-10-8
| CAS No. | 1805394-10-8 |
| Molecular Formula | C6H3ClF2N2O5S |
| Molecular Weight | 288.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H3ClF2N2O5S, 4-(Difluoromethyl)-5-hydroxy-3-nitropyridine-2-sulfonyl chloride contains a carbohydrate-derived structure, an amide group, a sulfone group, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 288.61 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-(Difluoromethyl)-5-hydroxy-3-nitropyridine-2-sulfonyl chloride (CAS 1805394-10-8) is a high-purity analytical reference standard with the molecular formula C6H3ClF2N2O5S and a molecular weight of 288.61 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-(Difluoromethyl)-5-hydroxy-3-nitropyridine-2-sulfonyl chloride 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 | C6H3ClF2N2O5S |
| Molecular Weight | 288.61 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) | 5.0 |
| 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 Difluoromethyl Standards
- 2-(Difluoromethyl)-5-hydroxy-4-nitropyridine-3-sulfonyl chloride (CAS 1805540-51-5)
- 4-(Difluoromethyl)-2-hydroxy-5-nitropyridine-3-sulfonyl chloride (CAS 1805618-17-0)
- 2-(Difluoromethyl)-3-hydroxy-4-nitropyridine-6-sulfonyl chloride (CAS 1806879-45-7)
- 4-(Difluoromethyl)-6-hydroxy-5-nitropyridine-3-sulfonyl chloride (CAS 1806879-91-3)
- 4-(Difluoromethyl)-3-hydroxy-5-nitropyridine-2-sulfonyl chloride (CAS 1806944-15-9)
- 2-(Difluoromethyl)-4-hydroxy-5-nitropyridine-3-sulfonyl chloride (CAS 1807134-30-0)
- 4-(Difluoromethyl)-6-hydroxy-3-nitropyridine-2-sulfonyl chloride (CAS 1807134-45-7)
- 4-(Difluoromethyl)-2-(ethylsulfonyl)-6-(furan-2-yl)pyrimidine (CAS 861444-35-1)
Recommended Standards
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- JWH-073 4-Butanoic acid metabolite (CAS 1307803-52-6)
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- 4-Chloro-3-methyl-1H-pyrazole (CAS 15878-08-7)
- 2-(4-Bromo-3-nitro-1H-pyrazol-1-yl)ethan-1-amine (CAS 1006950-44-2)
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- Peptide Impurity 81 TFA (CAS CATO-CPTD788581)
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