N-(4-Chlorophenyl)-2-hydroxy-3-(4-methoxybenzenesulfonyl)-2-methylpropanamide CAS 338424-26-3
| CAS No. | 338424-26-3 |
| Molecular Formula | C17H18ClNO5S |
| Molecular Weight | 383.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-(4-Chlorophenyl)-2-hydroxy-3-(4-methoxybenzenesulfonyl)-2-methylpropanamide (CAS 338424-26-3) is a high-purity analytical reference standard with the molecular formula C17H18ClNO5S and a molecular weight of 383.85 g/mol.
Structurally, N-(4-Chlorophenyl)-2-hydroxy-3-(4-methoxybenzenesulfonyl)-2-methylpropanamide (C17H18ClNO5S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 383.85 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 | C17H18ClNO5S |
| Molecular Weight | 383.85 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related N Standards
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- N-(3-Chlorophenyl)-5-ethyl-11-oxo-5H,5aH,6H,7H,8H,9H,11H-pyrido[2,1-b]quinazoline-3-carboxamide (CAS 1574622-30-2)
- N-(3-Chlorophenyl)-5-methyl-12-oxo-5H,5aH,6H,7H,8H,9H,10H,12H-azepino[2,1-b]quinazoline-3-carboxamide (CAS 1775347-71-1)
- N-(4-Chlorophenyl)-5-methyl-12-oxo-5H,5aH,6H,7H,8H,9H,10H,12H-azepino[2,1-b]quinazoline-3-carboxamide (CAS 1775471-59-4)
- 3-(4-chlorophenyl)-2-cyclohexyl-1-oxo-1,2,3,4-tetrahydro-4-isoquinolinecarboxylic acid (CAS 400073-91-8)
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Recommended Standards
- N'-(3-chlorobenzoyl)-8-methyl-8H-thieno[2,3-b]indole-2-carbohydrazide (CAS 477869-02-6)
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- Methyl N-(5-chloro-2-methoxyphenyl)-N-tosylglycinate (CAS 331725-42-9)
- 6-chloro-3-iodo-1H-indazol-5-amine (CAS 1000342-50-6)
- 4-(isoquinolin-1-yl)-1,3-thiazol-2-amine (CAS 651042-73-8)
- (3S,4R)-3-Methylpiperidin-4-ol (CAS 1821751-68-1)
- Oxacillin Impurity 60 (CAS CATO-C4X-232160)
- Ethyl 7-(2,6-dimethoxyphenyl)-7-oxoheptanoate (CAS 898758-50-4)
- 3-[(4-methoxyphenyl)methoxy]propan-1-amine (CAS 191165-22-7)
- tert-Butyl 3-((S)-2-amino-N-ethylpropanamido)pyrrolidine-1-carboxylate (CAS 1354026-96-2)
- 4-Chloro-3-fluoro-2-(piperidin-1-yl)pyridine (CAS 1881289-10-6)
- N'-(6-chloropyridin-2-yl)-2,6-difluorobenzohydrazide (CAS 400085-86-1)
- Q-Peptide trifluoroacetate salt (CAS 1361235-89-3)
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