For research and development professionals, a thorough understanding of a chemical's identity is the cornerstone of successful experimentation and application. Ethyl 6-(decyloxy)-7-ethoxy-4-hydroxyquinoline-3-carboxylate, identified by its CAS number 18507-89-6, is a compound that warrants detailed exploration due to its utility as a fine chemical intermediate and in specialized research areas.

The molecular structure of CAS 18507-89-6 is central to its function. It features a quinoline core, which is a bicyclic aromatic heterocycle containing a benzene ring fused to a pyridine ring. Attached to this core are several functional groups: a decyloxy chain (an ether linkage with a ten-carbon alkyl chain), an ethoxy group, a hydroxyl group, and an ethyl ester group. The specific arrangement of these groups dictates its chemical reactivity and physical properties, such as solubility and melting point.

Physically, this compound is typically described as a white powder. Its molecular formula is C24H35NO5, and its molecular weight is approximately 417.54 g/mol. The presence of the long decyloxy chain contributes to its lipophilicity, influencing its solubility in various organic solvents. While it is often reported as being slightly soluble in solvents like chloroform and ether, it is generally poorly soluble in water. Its melting point, usually in the range of 241-245 °C, indicates a relatively stable solid form at room temperature.

The synthesis of Ethyl 6-(decyloxy)-7-ethoxy-4-hydroxyquinoline-3-carboxylate typically involves multi-step organic synthesis pathways. Common routes might begin with substituted nitrobenzene derivatives, followed by etherification, reduction, condensation reactions, and cyclization. Understanding these synthetic pathways is crucial for chemists aiming to reproduce the compound or develop more efficient synthesis methods. Sourcing high-quality starting materials and intermediates from reliable manufacturers is key to successful synthesis.

Professionals seeking to purchase CAS 18507-89-6 for their R&D endeavors should look for suppliers who can provide comprehensive data, including spectroscopic information (like NMR, MS) and purity assays. These details are invaluable for confirming the compound's identity and suitability for specific research applications, whether it's for exploring its potential as a pharmaceutical intermediate or in the development of novel diagnostic agents.

In summary, a deep dive into the chemical identity of Ethyl 6-(decyloxy)-7-ethoxy-4-hydroxyquinoline-3-carboxylate reveals a complex molecule with specific structural features and properties. Understanding its synthesis, physical characteristics, and purity requirements is vital for R&D professionals aiming to leverage this compound effectively in their scientific pursuits.