| CAS No. | 428481-98-5 |
| Molecular Formula | C15H11Cl2IO3 |
| Molecular Weight | 437.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
4-((3,4-Dichlorobenzyl)oxy)-3-iodo-5-methoxybenzaldehyde (CAS 428481-98-5), molecular formula C15H11Cl2IO3 and molecular weight 437.06 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 4-((3,4-Dichlorobenzyl)oxy)-3-iodo-5-methoxybenzaldehyde (C15H11Cl2IO3) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/iodine substitution, a polycyclic aromatic system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
As a certified reference material (CRM), 4-((3,4-Dichlorobenzyl)oxy)-3-iodo-5-methoxybenzaldehyde 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.
| Molecular Formula | C15H11Cl2IO3 |
| Molecular Weight | 437.06 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.) | 2025 |
| Halogen Content | Cl/I-containing |