4-Amino-6-(difluoromethyl)-3-nitropyridine-2-sulfonyl chloride CAS 1805357-96-3
| CAS No. | 1805357-96-3 |
| Molecular Formula | C6H4ClF2N3O4S |
| Molecular Weight | 287.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-Amino-6-(difluoromethyl)-3-nitropyridine-2-sulfonyl chloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
4-Amino-6-(difluoromethyl)-3-nitropyridine-2-sulfonyl chloride (CAS 1805357-96-3), molecular formula C6H4ClF2N3O4S and molecular weight 287.63 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H4ClF2N3O4S, 4-Amino-6-(difluoromethyl)-3-nitropyridine-2-sulfonyl chloride 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 287.63 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C6H4ClF2N3O4S |
| Molecular Weight | 287.63 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 4-Amino-2-(difluoromethyl)-5-nitropyridine-3-sulfonyl chloride (CAS 1805014-71-4)
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Recommended Standards
- 4-Chloro-5-(difluoromethyl)-3-nitropyridine-2-sulfonamide (CAS 1805272-96-1)
- 2-Chloro-5-(difluoromethyl)-3-nitropyridine-4-sulfonamide (CAS 1805367-98-9)
- 4-Chloro-6-(difluoromethyl)-5-nitropyridine-3-sulfonamide (CAS 1805368-39-1)
- Hexadecanoic-d31 Acid (CAS 39756-30-4)
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- (Butan-2-yl)[(furan-2-yl)methyl]amine (CAS 869941-60-6)
- N-Methylpropionamide (CAS 1187-58-2)
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- 4,5-Bis(methylthio)-1,3-dithiole-2-thione (CAS 49638-64-4)
- 5-(o-Tolyl)-1H-1,2,4-triazole-3-carboxylic acid (CAS 1404364-77-7)
- 4-Bromo-3-methylbenzenecarbothioamide (CAS 41963-21-7)
- N-Methyl-2-oxotetrahydrofuran-3-carboxamide (CAS 69336-97-6)
- Peptide Impurity 06 (CAS CATO-CPTD788806)
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