1-(5-Ethyl-2,4-dihydroxyphenyl)-2-(4-methoxyphenyl)ethan-1-one CAS 96644-03-0
| CAS No. | 96644-03-0 |
| Molecular Formula | C17H18O4 |
| Molecular Weight | 286.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-(5-Ethyl-2,4-dihydroxyphenyl)-2-(4-methoxyphenyl)ethan-1-one (CAS 96644-03-0) is a high-purity analytical reference standard with the molecular formula C17H18O4 and a molecular weight of 286.32 g/mol.
Owing to a flavonoid core, a hydroxyl group, an ether linkage, 1-(5-Ethyl-2,4-dihydroxyphenyl)-2-(4-methoxyphenyl)ethan-1-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 286.32 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO manufactures 1-(5-Ethyl-2,4-dihydroxyphenyl)-2-(4-methoxyphenyl)ethan-1-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 | C17H18O4 |
| Molecular Weight | 286.32 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1984 |
Related Ethyl Standards
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- 1-(2,4-Dihydroxyphenyl)-3-(3-hydroxy-4-methoxyphenyl)prop-2-en-1-one (CAS 13323-67-6)
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- 2-(2-(2,4-Dihydroxyphenyl)-2-oxoethoxy)benzoic acid (CAS 1505-01-7)
- (S)-2-(2,6-dihydroxyphenyl)-5,7-dihydroxychroman-4-one (CAS 80604-16-6)
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Recommended Standards
- 1-(Benzyloxy)-2-phenoxyethyl acetate (CAS 60359-64-0)
- 1,3-Dibenzoylbenzene (CAS 3770-82-9)
- [2,2'-Binaphthalene]-1,1'-diol (CAS 604-60-4)
- 1-[2-Hydroxy-6-(3-phenoxypropoxy)phenyl]ethanone (CAS 53874-01-4)
- 5-Phenyl-[1,3,4]oxadiazol-2-yl-methylamine (CAS 46182-58-5)
- 5,7-Difluoro-2,2-dimethyl-1,2-dihydroquinoline (CAS 1181824-13-4)
- 3,5-Dihydroxybenzenecarboximidamide hydrochloride (CAS 1242339-28-1)
- 1-(2-Chloro-4-nitrophenyl)-N-(phenylsulfamoyl)-1H-pyrrole-2-carboxamide (CAS 383147-37-3)
- 5-(chloromethyl)-1,2,3-trifluoro-Benzene (CAS 732306-27-3)
- 1-(2-Methylpropyl)-1h-indole-4-carboxylic acid (CAS 1096867-62-7)
- Empagliflozin Impurity 117 (CAS CATO-C4X-1065117)
- 2,5-Difluoro-3-(trifluoromethoxy)benzonitrile (CAS 1806304-93-7)
- Piperidine-1-carbothioamide (CAS 14294-09-8)
- Semaglutide impurity 30 (CAS CATO-C4X-222630)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com