2-Ethoxy-3-(4-(4-((methylsulfonyl)oxy)phenethoxy)phenyl)propanoic acid CAS 251565-88-5
| CAS No. | 251565-88-5 |
| Molecular Formula | C20H24O7S |
| Molecular Weight | 408.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Ethoxy-3-(4-(4-((methylsulfonyl)oxy)phenethoxy)phenyl)propanoic acid (CAS 251565-88-5) is a high-purity analytical reference standard with the molecular formula C20H24O7S and a molecular weight of 408.47 g/mol.
Based on its molecular formula C20H24O7S, 2-Ethoxy-3-(4-(4-((methylsulfonyl)oxy)phenethoxy)phenyl)propanoic acid contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 408.47 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 2-Ethoxy-3-(4-(4-((methylsulfonyl)oxy)phenethoxy)phenyl)propanoic acid 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 | C20H24O7S |
| Molecular Weight | 408.47 g/mol |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2,5-Dioxopyrrolidin-1-yl-S-benzyl-N-(tert-butoxycarbonyl)-D-cysteinate (CAS 85097-54-7)
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- 2,4-Dimethyl 3-{2-[4-(pyridin-2-yl)piperazin-1-yl]acetyl}-1,3-thiazolidine-2,4-dicarboxylate (CAS 318951-84-7)
- 3-((4-Hydroxy-3-methoxybenzyl)(p-tolyl)amino)benzo[d]isothiazole 1,1-dioxide (CAS 433941-92-5)
- 2-Benzoxazolecarboxylic acid, 5-chloro-, sodium salt (1:1) (CAS 87876-97-9)
- 1-(1-(Aminomethyl)-3-methylcyclopentyl)propan-1-ol (CAS 1559844-46-0)
- 4-(Benzo[b]thiophen-3-yl)-1-methylpiperidine (CAS 56839-02-2)
- (2S,4S)-4-(Carboxymethyl)pyrrolidine-2-carboxylic acid (CAS 147235-94-7)
- 5-Sulfamoylthiophene-2-carboxamide (CAS 850340-83-9)
- N-(4-acetylphenyl)-1-naphthamide (CAS 543688-51-3)
- 1-Hydroxy-5-methylindolin-2-one (CAS 131388-00-6)
- Angelic Anhydride (CAS 94487-74-8)
- 2-((4-Chlorophenyl)amino)ethan-1-ol (CAS 2933-81-5)
- Semaglutide Impurity 144 (CAS 394210-59-4)
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