| CAS No. | 443123-69-1 |
| Molecular Formula | C14H9Cl2IO2 |
| Molecular Weight | 407.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 407.03 g/mol gives 4-[(2,4-Dichlorobenzyl)oxy]-3-iodobenzaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-[(2,4-Dichlorobenzyl)oxy]-3-iodobenzaldehyde (CAS 443123-69-1), molecular formula C14H9Cl2IO2 and molecular weight 407.03 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H9Cl2IO2, 4-[(2,4-Dichlorobenzyl)oxy]-3-iodobenzaldehyde contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/iodine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 407.03 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
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.
| Molecular Formula | C14H9Cl2IO2 |
| Molecular Weight | 407.03 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 |
| 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.) | 2025 |
| Halogen Content | Cl/I-containing |