2-(Difluoromethyl)-3-iodo-4-nitropyridine-6-sulfonyl chloride CAS 1806953-68-3
| CAS No. | 1806953-68-3 |
| Molecular Formula | C6H2ClF2IN2O4S |
| Molecular Weight | 398.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H2ClF2IN2O4S, 2-(Difluoromethyl)-3-iodo-4-nitropyridine-6-sulfonyl chloride contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine/iodine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 398.51 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).
2-(Difluoromethyl)-3-iodo-4-nitropyridine-6-sulfonyl chloride (CAS 1806953-68-3), molecular formula C6H2ClF2IN2O4S and molecular weight 398.51 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C6H2ClF2IN2O4S |
| Molecular Weight | 398.51 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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/I-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Difluoromethyl Standards
- 2-(Difluoromethyl)-6-iodo-4-nitropyridine-3-sulfonyl chloride (CAS 1804864-98-9)
- 2-(Difluoromethyl)-6-iodo-5-nitropyridine-3-sulfonyl chloride (CAS 1805423-24-8)
- 4-(Difluoromethyl)-5-iodo-3-nitropyridine-2-sulfonyl chloride (CAS 1805423-41-9)
- 2-(Difluoromethyl)-4-iodo-3-nitropyridine-6-sulfonyl chloride (CAS 1805546-39-7)
- 2-(Difluoromethyl)-6-iodo-3-nitropyridine-5-sulfonyl chloride (CAS 1805552-08-2)
- 2-(Difluoromethyl)-3-iodo-4-nitropyridine-5-sulfonyl chloride (CAS 1807147-48-3)
- 4-(Difluoromethyl)-5-fluoro-2,3-diiodopyridine (CAS 1804716-49-1)
- 4-(Difluoromethyl)-3-fluoro-2,5-diiodopyridine (CAS 1806824-20-3)
Recommended Standards
- tert-butyl N-(tert-butoxycarbonylamino)-N-[3-(2-fluorophenyl)-1-bicyclo[1.1.1]pentanyl]carbamate (CAS 2149634-50-2)
- tert-butyl N-(tert-butoxycarbonylamino)-N-[3-(3-fluorophenyl)-1-bicyclo[1.1.1]pentanyl]carbamate (CAS 2149634-51-3)
- tert-butyl N-(tert-butoxycarbonylamino)-N-[3-(4-fluorophenyl)-1-bicyclo[1.1.1]pentanyl]carbamate (CAS 2149634-52-4)
- Methyl (S)-2-(3-((2-isopropylthiazol-4-yl)methyl)-3-methylureido)-4-morpholinobutanoate (CAS 1004316-91-9)
- 2-Chloro-6-fluorobenzo[d]oxazole (CAS 153403-53-3)
- 3-Bromo-4-chloro-5-hydroxybenzoic acid (CAS 1823372-67-3)
- (3AR,4S,9bS)-8-methoxy-6-nitro-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-4-carboxylic acid (CAS 956523-97-0)
- 2-Cyclopropyl-6-methylphenol (CAS 499236-68-9)
- N'-(9-((2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-6-yl)-N,N-dimethylformimidamide (CAS 17331-12-3)
- 7-[(E)-2-(4-Chlorophenyl)ethenyl]-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 320416-44-2)
- 1-(4-Iodobutyl)-4-methylbenzene (CAS 339570-60-4)
- 6'-Hydroxy-3,4'-dimethyl-2'-oxo-1',2'-dihydro-[1,3'-bipyridine]-1,1'-diium chloride (CAS 79817-70-2)
- 2-Chloro-1-(3,5-di(furan-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)ethan-1-one (CAS 796084-57-6)
- Eledoisin Related Peptide (CAS 2990-43-4)
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