2-((N-(2,4-dichloro-5-methoxyphenyl)-4-fluorophenyl)sulfonamido)-N-(4-fluorophenyl)acetamide CAS 338967-37-6
| CAS No. | 338967-37-6 |
| Molecular Formula | C21H16Cl2F2N2O4S |
| Molecular Weight | 501.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 501.33 g/mol gives 2-((N-(2,4-dichloro-5-methoxyphenyl)-4-fluorophenyl)sulfonamido)-N-(4-fluorophenyl)acetamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-((N-(2,4-dichloro-5-methoxyphenyl)-4-fluorophenyl)sulfonamido)-N-(4-fluorophenyl)acetamide (CAS 338967-37-6), a certified reference material (molecular formula C21H16Cl2F2N2O4S, MW 501.33 g/mol) for analytical method development and quality control.
Structurally, 2-((N-(2,4-dichloro-5-methoxyphenyl)-4-fluorophenyl)sulfonamido)-N-(4-fluorophenyl)acetamide (C21H16Cl2F2N2O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 501.33 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C21H16Cl2F2N2O4S |
| Molecular Weight | 501.33 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related N Standards
- N-(2,4-dichloro-5-(2-methoxyethoxy)phenyl)-3-(2-fluoro-4-nitrophenoxy)thiophene-2-carboxamide (CAS 339015-61-1)
- 4-((2,4-Dichloro-5-methoxyphenyl)amino)-6-methoxy-7-((1-methylpiperidin-4-yl)methoxy)quinoline-3-carbonitrile (CAS 622368-91-6)
- 6,7-Dichloro-4-(4-chlorophenyl)-2-(2,4-dichloro-5-methoxyphenyl)-1,2-dihydrophthalazin-1-one (CAS 400087-13-0)
- 4-((2,4-Dichloro-5-methoxyphenyl)amino)-7-iodo-6-methoxyquinoline-3-carbonitrile (CAS 846023-51-6)
- 2-((2,5-Dichloro-N-(2-chlorophenyl)phenyl)sulfonamido)-N-(4-methoxyphenyl)acetamide (CAS 337922-18-6)
- 2-((2,5-Dichloro-N-phenylphenyl)sulfonamido)-N-(3-(trifluoromethyl)phenyl)acetamide (CAS 339103-16-1)
- N-[2,4-Dichloro-5-(2-methoxyethoxy)phenyl]-3-[(2,6-dichlorophenyl)sulfanyl]-2-hydroxy-2-methylpropanamide (CAS 866130-96-3)
- 2,4-Dichloro-N-(2-((2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)ethyl)amino)phenyl)benzamide (CAS 338772-79-5)
Recommended Standards
- 8-Bromo-5’-O-(4-cyanobenzyl)-2’,3’-di-O-isopropylidene adenosine (CAS 1134156-53-8)
- 2-(4-Ethoxyphenyl)-4-oxo-4H-chromen-3-yl 4-bromobenzene-1-sulfonate (CAS 298217-83-1)
- N-(2-Bromo-4-nitrophenyl)-2-((5-(3-hydroxynaphthalen-2-yl)-1,3,4-oxadiazol-2-yl)thio)acetamide (CAS 332377-21-6)
- 3,4,5-Tris(4-(trifluoromethyl)phenyl)-4H-1,2,4-triazole (CAS 817638-46-3)
- Methyl 5-chloro-1-[(4-methylphenyl)sulfonyl]-1H-1,2,4-triazole-3-carboxylate (CAS 2096986-33-1)
- 1-(4-Nonylphenyl)ethan-1-one (CAS 37593-05-8)
- Ethyl 4-(2-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)acetamido)benzoate (CAS 4113-91-1)
- (S)-4-bromo-2-((tert-butoxycarbonyl)amino)butanoic acid (CAS 1217639-81-0)
- (S)-Methyl 3-hydroxy-2-oleamidopropanoate (CAS 1246302-98-6)
- 4,7-Dimethylbenzofuran-2(3H)-one (CAS 30531-62-5)
- 57526-81-5 M4G34404CX Prenalterol Prenalterol [INN:BAN] Phenol, 4-(2-hydroxy-3-((1-methylethyl)amino)propoxy)-, (S)- H 133/22 BRN 5740338 CGP 7760B EINECS 260-791-5 (S)-4-(2-Hydroxy-3-((1-methylethyl)amino)propoxy)phenol Prenalterolum [INN-Latin] Prenalterolum UNII-M4G34404CX (CAS 57526-81-5)
- 2-Chloro-4-(2-hydroxyethyl)phenol (CAS 50972-63-9)
- 5-Chloro-7-iodo-1H-indazole (CAS 1379317-48-2)
- Tirzepatide Impurity 47 (CAS CATO-C4X-324047)
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