| CAS No. | 1805546-37-5 |
| Molecular Formula | C7H7F2IN2O3S |
| Molecular Weight | 364.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 364.11 g/mol gives 4-(Difluoromethyl)-6-iodo-2-methoxypyridine-3-sulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(Difluoromethyl)-6-iodo-2-methoxypyridine-3-sulfonamide (CAS 1805546-37-5), molecular formula C7H7F2IN2O3S and molecular weight 364.11 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-(Difluoromethyl)-6-iodo-2-methoxypyridine-3-sulfonamide (C7H7F2IN2O3S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/iodine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 364.11 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
| Molecular Formula | C7H7F2IN2O3S |
| Molecular Weight | 364.11 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/I-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |