Methyl 2-(4-methylphenylsulfonamido)-2-phenylacetate CAS 1233-56-3
| CAS No. | 1233-56-3 |
| Molecular Formula | C16H17NO4S |
| Molecular Weight | 319.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Methyl 2-(4-methylphenylsulfonamido)-2-phenylacetate (CAS 1233-56-3), molecular formula C16H17NO4S and molecular weight 319.38 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl 2-(4-methylphenylsulfonamido)-2-phenylacetate (C16H17NO4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. 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 319.38 g/mol, it falls into the moderately-high-molecular-weight range. 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).
As a certified reference material (CRM), Methyl 2-(4-methylphenylsulfonamido)-2-phenylacetate 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 | C16H17NO4S |
| Molecular Weight | 319.38 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 2-(4-Methylphenylsulfonamido)-3-phenylpropanoic acid (CAS 34635-34-2)
- 2-(4-Methylphenylsulfonamido)-N-(1,2,4-triazin-3-yl)acetamide (CAS 138598-40-0)
- Methyl 2-(4-methylphenylsulfonamido)benzoate (CAS 50998-74-8)
- 314042-69-8 4-(4-methylphenylsulfonamido)cyclohexanecarboxylic acid 4-(Toluene-4-sulfonylamino)-cyclohexanecarboxylic acid (CAS 314042-69-8)
- 3-(4-Methylphenylsulfonamido)isonicotinic acid (CAS 1490502-02-7)
- 2-(N-methylphenylsulfonamido)benzoic acid (CAS 34837-68-8)
- 4-(N-methylphenylsulfonamido)benzoic acid (CAS 355816-25-0)
- (3-(4-Methylphenylsulfonamido)phenyl)boronic acid (CAS 1020743-73-0)
Recommended Standards
- 3,6-Bis(prop-2-yn-1-yloxy)acridine-9(10H)-thione (CAS 122105-97-9)
- 5-(4-(Piperidin-1-ylsulfonyl)phenyl)pyrimidin-2-ol (CAS 1261953-01-8)
- N-(3-(6-Oxopyridazin-1(6H)-yl)propyl)-2-phenylethene-1-sulfonamide (CAS 1211969-58-2)
- 2-(Benzylsulfanyl)-4-hydroxy-6-phenylpyrimidine-5-carbonitrile (CAS 126277-91-6)
- 2-Cyclopentylpyrrolidine hydrochloride (CAS 1181525-08-5)
- Dicyclohexyl furan-3,4-dicarboxylate (CAS 188842-54-8)
- 2-Fluoro-4-methyl-N-(thiazol-5-ylmethyl)aniline (CAS 1341303-91-0)
- GSK-3 Inhibitor X (CAS 740841-15-0)
- 3-(5-Chlorofuran-2-yl)prop-2-en-1-ol (CAS 1563267-69-5)
- 4-Iodo-3,5-dimethoxyisothiazole (CAS 2138539-83-8)
- 2-(4-Chloro-3-methylphenoxy)ethan-1-ol (CAS 705-82-8)
- (2,3-Dihydro-1H-indol-3-yl)-phenyl-amine (CAS 878997-46-7)
- Pentoxifylline Impurity 14 (CAS 16015-11-5)
- Semaglutide impurity 205 (CAS CATO-C4X-2226205)
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