(3Z)-3-(3,4-Dimethoxyphenyl)-4-[(3,4-dimethoxyphenyl)amino]but-3-en-2-one CAS 339017-45-7
| CAS No. | 339017-45-7 |
| Molecular Formula | C20H23NO5 |
| Molecular Weight | 357.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (3Z)-3-(3,4-Dimethoxyphenyl)-4-[(3,4-dimethoxyphenyl)amino]but-3-en-2-one.
(3Z)-3-(3,4-Dimethoxyphenyl)-4-[(3,4-dimethoxyphenyl)amino]but-3-en-2-one (CAS 339017-45-7) is a high-purity analytical reference standard with the molecular formula C20H23NO5 and a molecular weight of 357.40 g/mol.
The molecular framework of (3Z)-3-(3,4-Dimethoxyphenyl)-4-[(3,4-dimethoxyphenyl)amino]but-3-en-2-one (C20H23NO5) is characterized by a flavonoid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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 | C20H23NO5 |
| Molecular Weight | 357.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- (2E)-N-[(4-Methoxyphenyl)methyl]-3-(2,3,4-trimethoxyphenyl)prop-2-enamide (CAS 647031-62-7)
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- Clopidogrel Impurity 85 (CAS 1219432-42-4)
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