4-(5-(Difluoromethyl)-3-phenylisoxazol-4-yl)benzenesulfonamide CAS 181696-33-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 181696-33-3 |
| Molecular Formula | C16H12F2N2O3S |
| Molecular Weight | 350.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(5-(Difluoromethyl)-3-phenylisoxazol-4-yl)benzenesulfonamide (CAS 181696-33-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C16H12F2N2O3S. Molecular weight: 350.34 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C16H12F2N2O3S |
| Molecular Weight | 350.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2008 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Difluoromethyl Standards
- 3-(7-(Difluoromethyl)-5-(1-ethyl-5-methyl-1h-pyrazol-4-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)propanoic acid (CAS 1174869-32-9)
- 3-{4-[(difluoromethyl)sulfanyl]phenyl}-2-sulfanyl-3,4-dihydroquinazolin-4-one (CAS 380427-12-3)
- 2-(Difluoromethyl)-3-hydroxy-5-iodopyridine-6-sulfonamide (CAS 1804860-00-1)
- 2-(Difluoromethyl)-3-hydroxy-6-iodopyridine-5-sulfonamide (CAS 1805202-05-4)
- 2-(Difluoromethyl)-6-hydroxy-4-iodopyridine-3-sulfonamide (CAS 1805202-23-6)
- 4-(Difluoromethyl)-2-hydroxy-6-iodopyridine-3-sulfonamide (CAS 1805480-65-2)
- 2-(Difluoromethyl)-3-hydroxy-4-iodopyridine-6-sulfonamide (CAS 1805538-47-9)
- 2-(Difluoromethyl)-5-hydroxy-4-iodopyridine-3-sulfonamide (CAS 1805538-65-1)
Recommended Standards
- 3-(3,4-Difluorophenyl)-4-(4-Methylsulfonylphenyl)-5H-Furan-2-One (CAS 162011-83-8)
- 1-(4-(Difluoromethoxy)phenyl)-3-(2-oxo-2,3-dihydro-1H-benzo[d]imidazol-5-yl)thiourea (CAS 454449-59-3)
- 2-(2-Mercapto-4-oxo-4,5-dihydro-1,3-thiazol-5-yl)-N-[2-(trifluoromethoxy)phenyl]acetamide (CAS 1142207-26-8)
- (2-((4-(Tert-butoxycarbonyl)piperazin-1-yl)methyl)-5-fluorophenyl)boronic acid (CAS 1704064-29-8)
- 4-(Methoxycarbonyl)-2-(pyrrolidine-1-carbonyl)furan-3-carboxylic acid (CAS 5165-13-9)
- 2-Amino-3-(2-nitrophenyl)propanoic Acid (CAS 35378-63-3)
- Phenylacetaldehyde (CAS 122-78-1)
- 2-((4-Ethyl-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-methoxyphenyl)acetamide (CAS 142529-68-8)
- (6-Methylpyridin-2-yl)(o-tolyl)methanone (CAS 1187169-79-4)
- Semaglutide Impurity 115 (CAS CATO-C4X-2226115)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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