4-Amino-6-(difluoromethyl)-2-methoxypyridine-3-sulfonamide CAS 1806920-86-4
| CAS No. | 1806920-86-4 |
| Molecular Formula | C7H9F2N3O3S |
| Molecular Weight | 253.23 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.
4-Amino-6-(difluoromethyl)-2-methoxypyridine-3-sulfonamide (CAS 1806920-86-4), molecular formula C7H9F2N3O3S and molecular weight 253.23 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system, 4-Amino-6-(difluoromethyl)-2-methoxypyridine-3-sulfonamide is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 253.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 4-Amino-6-(difluoromethyl)-2-methoxypyridine-3-sulfonamide 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.
Physical & Chemical Properties
| Molecular Formula | C7H9F2N3O3S |
| Molecular Weight | 253.23 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-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 6-Amino-9-(2',3'-dideoxy-2'-fluoro-b-D-arabinofuranosyl)purine (CAS 110143-10-7)
- 5-Amino-1-(8-fluoroquinolin-4-yl)-1H-pyrazole-4-carbonitrile (CAS 1221411-06-8)
- 6-Amino-3-(difluoromethyl)-5-methoxypyridine-2-sulfonamide (CAS 1803685-77-9)
- 6-Amino-2-(difluoromethyl)-5-methoxypyridine-3-sulfonamide (CAS 1804681-42-2)
- 4-Amino-6-(difluoromethyl)-3-methoxypyridine-2-sulfonamide (CAS 1804681-78-4)
- 4-Amino-3-(difluoromethyl)-6-methoxypyridine-2-sulfonamide (CAS 1804681-85-3)
- 2-Amino-4-(difluoromethyl)-6-methoxypyridine-3-sulfonamide (CAS 1805226-05-4)
- 4-Amino-3-(difluoromethyl)-5-methoxypyridine-2-sulfonamide (CAS 1805226-85-0)
Recommended Standards
- 2-Amino-5-(difluoromethyl)-4-methoxypyridine-3-sulfonamide (CAS 1806920-44-4)
- 4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzenesulfonic acid (CAS 1886-76-6)
- 6-Amino-4-(difluoromethyl)-5-methoxypyridine-2-sulfonamide (CAS 1806920-31-9)
- (S)-2-(3-(3-Fluoro-4-methoxyphenyl)-4,5-dihydroisoxazol-5-yl)acetic acid (CAS 899433-52-4)
- 2-[(4-cyclohexyl-5-{[(3-methoxyphenyl)amino]methyl}-4h-1,2,4-triazol-3-yl)sulfanyl]acetic acid (CAS 793727-50-1)
- Ethyl 3-(3-methyl-4-nitrophenyl)-3-oxopropanoate (CAS 383666-73-7)
- 6-Bromo-1H-benzo[de]isoquinoline-1,3(2H)-dione (CAS 52559-36-1)
- 2,2'-[1,4-Phenylenebis(oxy)]bis-propanoic Acid Dimethyl Ester (CAS 85977-51-1)
- 1,4-Dichlorobenzo[g]phthalazine (CAS 30800-67-0)
- Methyl 2-(acetylamino)-5-nitrobenzoate (CAS 5409-45-0)
- 5,8-Dimethoxy-4,4-dimethyl-1,2,3,4-tetrahydroisoquinoline (CAS 1267035-14-2)
- N-(3-(Dimethylamino)propyl)octanamide (CAS 22890-10-4)
- 3-(Benzyloxy)-2-(2-(benzyloxy)ethoxy)pyridine (CAS 156840-57-2)
- Peptide Impurity 34 (CAS 21282-09-7)
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