5-(3-Ethoxy-3-oxopropyl)-2-hydroxyphenyl 2-(3,4-dihydroxybenzyl)butanoate CAS 3967-57-5
| CAS No. | 3967-57-5 |
| Molecular Formula | C22H26O7 |
| Molecular Weight | 402.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-(3-Ethoxy-3-oxopropyl)-2-hydroxyphenyl 2-(3,4-dihydroxybenzyl)butanoate is closely related to a flavonoid core, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 5-(3-Ethoxy-3-oxopropyl)-2-hydroxyphenyl 2-(3,4-dihydroxybenzyl)butanoate (CAS 3967-57-5), a certified reference material (molecular formula C22H26O7, MW 402.44 g/mol) for analytical method development and quality control.
Structurally, 5-(3-Ethoxy-3-oxopropyl)-2-hydroxyphenyl 2-(3,4-dihydroxybenzyl)butanoate (C22H26O7) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 402.44 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 | C22H26O7 |
| Molecular Weight | 402.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
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Recommended Standards
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- 2,2-Diphenyl-1-Picrylhydrazyl (Free Radical) (CAS 1898-66-4)
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- 5-((Benzyloxy)carbonyl)-5-azaspiro[2.3]hexane-1-carboxylic acid (CAS 1820619-57-5)
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