N-(4-acetyl-2,6-difluorophenyl)methanesulfonamide CAS 956901-21-6
| CAS No. | 956901-21-6 |
| Molecular Formula | C9H9F2NO3S |
| Molecular Weight | 249.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of N-(4-acetyl-2,6-difluorophenyl)methanesulfonamide (C9H9F2NO3S) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).
CATO supplies N-(4-acetyl-2,6-difluorophenyl)methanesulfonamide (CAS 956901-21-6), a certified reference material (molecular formula C9H9F2NO3S, MW 249.23 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), N-(4-acetyl-2,6-difluorophenyl)methanesulfonamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H9F2NO3S |
| Molecular Weight | 249.23 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 |
| 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.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- Ethyl N-([1,2,4]triazolo[1,5-a]pyrimidin-2-ylcarbonyl)glycinate (CAS 438212-79-4)
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- n-Tert-butyl-2-[3-(trifluoromethyl)-1h-pyrazol-1-yl]acetamide (CAS 680203-49-0)
- 2-([(3-Methoxyphenyl)methyl]sulfanyl)ethan-1-amine (CAS 112393-89-2)
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- 3-Chloro-4,5-dimethoxybenzamide (CAS 65841-13-6)
- 2-((3-Chlorophenyl)sulfinyl)-N-methyl-N-phenylacetamide (CAS 339108-19-9)
- 7-bromo-2-chloro-4-methyl-quinazoline (CAS 1388050-80-3)
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- Diethyl-3-methylglutarate (CAS 6829-42-1)
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- 4-((2-Methylpentyl)amino)cyclohexan-1-ol (CAS 1152915-60-0)
- Semaglutide Impurity 185 (CAS CATO-C4X-2226185)
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