3,5-Diiodo-4-(4-methoxyphenoxy)-benzenepropanoic Acid Ethyl Ester CAS 101792-51-2
| CAS No. | 101792-51-2 |
| Molecular Formula | C18H18I2O4 |
| Molecular Weight | 552.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,5-Diiodo-4-(4-methoxyphenoxy)-benzenepropanoic Acid Ethyl Ester (CAS 101792-51-2) is a high-purity analytical reference standard with the molecular formula C18H18I2O4 and a molecular weight of 552.14 g/mol.
Based on its molecular formula C18H18I2O4, 3,5-Diiodo-4-(4-methoxyphenoxy)-benzenepropanoic Acid Ethyl Ester contains a flavonoid core, a hydroxyl group, an ether linkage, iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 552.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C18H18I2O4 |
| Molecular Weight | 552.14 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | I-containing |
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