1-(4-Methoxybenzyl)-N-((4-methoxyphenyl)sulfonyl)-2-oxo-1,2-dihydropyridine-3-carboxamide CAS 320419-71-4
| CAS No. | 320419-71-4 |
| Molecular Formula | C21H20N2O6S |
| Molecular Weight | 428.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(4-Methoxybenzyl)-N-((4-methoxyphenyl)sulfonyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 320419-71-4), molecular formula C21H20N2O6S and molecular weight 428.46 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H20N2O6S, 1-(4-Methoxybenzyl)-N-((4-methoxyphenyl)sulfonyl)-2-oxo-1,2-dihydropyridine-3-carboxamide contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 428.46 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 1-(4-Methoxybenzyl)-N-((4-methoxyphenyl)sulfonyl)-2-oxo-1,2-dihydropyridine-3-carboxamide 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 | C21H20N2O6S |
| Molecular Weight | 428.46 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 |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methoxybenzyl Standards
- 4,6-Bis((4-methoxybenzyl)oxy)-2-(2-methoxyethoxy)pyrimidine (CAS 1956364-82-1)
- 5-(Bis(4-methoxybenzyl)amino)-6-methyl-1H-pyrrolo[3,2-b]pyridine-2-carboxylic acid (CAS 2891456-66-7)
- 1-(4-Methoxybenzyl)-2-oxo-N-(3,4,5-trimethoxyphenyl)-1,2-dihydropyridine-3-carboxamide (CAS 400077-78-3)
- 2-(5-((4-Methoxybenzyl)oxy)-3-methyl-2-(trifluoromethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2803282-65-5)
- N-(1-(3-methoxybenzyl)-5,6-dimethyl-1H-benzo[d]imidazol-4-yl)-4-methylbenzenesulfonamide (CAS 338964-37-7)
- 5,6-Bis((4-methoxybenzyl)oxy)isobenzofuran-1,3-dione (CAS 1609071-04-6)
- N-(4-methoxybenzyl)-2-((4-phenyl-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 502553-59-5)
- 9,10-Bis(4-methoxybenzyl)anthracene (CAS 10273-78-6)
Recommended Standards
- (R)-2,5-dioxopyrrolidin-1-yl 2-(((benzyloxy)carbonyl)amino)-3-(phenylthio)propanoate (CAS 447461-52-1)
- Cytostatin (CAS 682329-63-1)
- (4-Oxo-4H-benzo[4,5]thiazolo[3,2-a]pyrimidin-2-yl)methyl 2-(4,4-diethyl-2,5-dioxoimidazolidin-1-yl)acetate (CAS 792965-51-6)
- Diphenyl(((3ar,5s,5ar,8as,8br)-2,2,7,7-tetramethyltetrahydro-5h-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-5-yl)methyl)phosphane (CAS 62102-18-5)
- [4R-[3(2(S),5(R),4R]]-3-[2-[1-[3-[Bis(phenylmethyl)amino]phenyl]propyl]-5-hydroxy-1,3-dioxo-5-(2-phenylethyl)-6-octynyl]-4-phenyl-2-oxazolidinone (CAS 188559-22-0)
- trans-3-fluorotetrahydropyran-4-amine (CAS 1631027-09-2)
- Methyl 3-(4-chloro-1h-pyrazol-1-yl)-2-methylpropanoate (CAS 1005650-86-1)
- 6,8-Dihydro-5H-imidazo[2,1-c][1,4]oxazine-3-carbaldehyde (CAS 623564-43-2)
- 4-(2-Methyl-1H-indol-3-yl)-6-phenyl-4,5-dihydropyridazin-3(2H)-one (CAS 54104-29-9)
- 2-Bromo-5-(difluoromethyl)-3-iodo-4-methoxypyridine (CAS 1806877-87-1)
- N-ε-Aminocaproyl-β-D-galactopyranosylamine (CAS 38822-56-9)
- 2-Cyano-N,N-dimethylbenzenesulfonamide (CAS 168971-53-7)
- 4-(2-Fluorophenyl)pyridin-2-amine (CAS 1159817-35-2)
- Peptide Impurity 26 (CAS 1350456-66-4)
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