3-(2,4-Dichlorobenzyl)-1-(3,4-dimethoxyphenethyl)-4-hydroxypyridin-2(1H)-one CAS 478079-19-5
| CAS No. | 478079-19-5 |
| Molecular Formula | C22H21Cl2NO4 |
| Molecular Weight | 434.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 434.31 g/mol gives 3-(2,4-Dichlorobenzyl)-1-(3,4-dimethoxyphenethyl)-4-hydroxypyridin-2(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(2,4-Dichlorobenzyl)-1-(3,4-dimethoxyphenethyl)-4-hydroxypyridin-2(1H)-one (CAS 478079-19-5), molecular formula C22H21Cl2NO4 and molecular weight 434.31 g/mol, is a CATO reference standard with documented purity and traceability.
3-(2,4-Dichlorobenzyl)-1-(3,4-dimethoxyphenethyl)-4-hydroxypyridin-2(1H)-one (C22H21Cl2NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
CATO manufactures 3-(2,4-Dichlorobenzyl)-1-(3,4-dimethoxyphenethyl)-4-hydroxypyridin-2(1H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C22H21Cl2NO4 |
| Molecular Weight | 434.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichlorobenzyl Standards
- 1-(2,4-Dichlorobenzyl)-N-(4,6-dimethoxypyrimidin-2-yl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 320419-91-8)
- 5-[(2,4-dichlorobenzyl)sulfanyl]-8,9-dimethoxy-2-methyl[1,2,4]triazolo[1,5-c]quinazoline (CAS 860611-22-9)
- 1-(2,4-Dichlorobenzyl)-N-(2,4-dimethoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 320419-64-5)
- 1-(2,4-Dichlorobenzyl)-N-(2,5-dimethoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 320419-84-9)
- 1-(2,4-Dichlorobenzyl)-N-(3,4-dimethoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 320419-63-4)
- 1-(2,4-Dichlorobenzyl)-N-(3,5-dimethoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 320419-83-8)
- N-(4-((2,4-dichlorobenzyl)thio)phenyl)-2-(pyridin-2-ylthio)acetamide (CAS 303091-77-2)
- 2-((2,6-Dichlorobenzyl)thio)-6-(4-methoxyphenyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine (CAS 338403-86-4)
Recommended Standards
- 2-((5-(4-Bromophenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(4-ethoxyphenyl)acetamide (CAS 332161-90-7)
- 3-(6-Bromobenzo[d]thiazol-2-yl)-2-phenylquinazolin-4(3H)-one (CAS 918154-67-3)
- Bis(2,4-dinitrophenyl)oxalate (CAS 16536-30-4)
- 7-[4-(3-Fluoropropoxy)phenoxy]-2,4-bis(trifluoromethyl)-1,8-naphthyridine (CAS 478081-21-9)
- alpha-(Trifluoromethyl)thiazole-2-methanol (CAS 1206673-52-0)
- Hexahydro-1H-pyrrolo[3,4-c]pyridine-1,3(2H)-dione hydrochloride (CAS 1384431-35-9)
- 2-((4-Allyl-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide (CAS 618879-83-7)
- 1,3,5-Tris(tert-butylthio)benzene (CAS 260968-03-4)
- N-((1S,2S)-2-amino-1,2-diphenylethyl)piperidine-1-sulfonamide (CAS 515172-79-9)
- Methyl 7-hydroxyquinoline-3-carboxylate (CAS 474659-32-0)
- 1-[3-(benzyloxy)cyclobutyl]methanamine hydrochloride (CAS 1432680-73-3)
- 2-{4-[4-(benzyloxy)phenyl]-1H-1,2,3-triazol-1-yl}-4-methyl-6-(2-methylpropyl)pyrimidine (CAS 861206-50-0)
- Dihydrokalafungin (CAS 98392-26-8)
- Cholecystokinin, CCK Tetrapeptide (30-33) (CAS 35144-91-3)
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