N-((2-Chlorophenyl)sulfonyl)-5-methylisoxazole-3-carboxamide CAS 139443-20-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 139443-20-2 |
| Molecular Formula | C11H9ClN2O4S |
| Molecular Weight | 300.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-((2-Chlorophenyl)sulfonyl)-5-methylisoxazole-3-carboxamide (CAS 139443-20-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C11H9ClN2O4S. Molecular weight: 300.72 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C11H9ClN2O4S |
| Molecular Weight | 300.72 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related N Standards
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Recommended Standards
- Ethyl 3-(5-amino-2-chloro-4-fluorophenyl)-4,5-dihydro-5-methyl-5-isoxazolecarboxylate (CAS 1949837-63-1)
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- Ethyl 2-(6-chloro-5-fluoronicotinoyl)-3-(ethylamino)acrylate (CAS 306935-70-6)
- (S)-2-((tert-butoxycarbonyl)amino)-3-(2,3-dimethylphenyl)propanoic acid (CAS 849440-32-0)
- 8-(4-Chlorophenyl)-1,4-dioxaspiro[4.5]decan-8-ol (CAS 126991-59-1)
- 4-(5-Methyl-1H-pyrazol-1-yl)benzonitrile (CAS 1249661-76-4)
- (S)-tert-Butyl 3-(2-methoxyethyl)piperazine-1-carboxylate (CAS 1359658-55-1)
- Methyl 3-[5-(methylcarbamoyl)furan-2-yl]thiophene-2-carboxylate (CAS 477851-64-2)
- 4-Bromo-1-isopropyl-3-((2,2,2-trifluoroethoxy)methyl)-1H-pyrazole (CAS 1856034-20-2)
- Cholecystokinin, CCK Tetrapeptide (30-33) (CAS 35144-91-3)
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