In the fast-paced world of chemical innovation, having access to versatile and high-quality intermediates is crucial for driving successful projects. 4-(4-Hydroxyphenylazo)benzoic acid ethyl ester, identified by CAS number 4418-89-7, stands out as a compound with significant synthetic potential. This article aims to shed light on its applications and provide insights for chemists and procurement professionals looking to source this essential chemical intermediate.

The Chemical Profile of 4418-89-7
This organic compound, typically presented as a powder, is valued for its high purity, commonly specified at 97% or higher. Its molecular structure, featuring an azo group connecting two phenyl rings, one with a hydroxyl substituent and the other with an ethyl ester, makes it a versatile building block. The presence of these functional groups allows for a wide range of chemical modifications, opening doors to diverse applications.

Applications Across Industries
The utility of 4-(4-hydroxyphenylazo)benzoic acid ethyl ester spans across several key industries. In the realm of dyes and pigments, it serves as a fundamental precursor. The azo linkage is a chromophore, meaning it imparts color. By chemically modifying this intermediate, manufacturers can synthesize a broad spectrum of dyes and pigments with specific hues, stabilities, and solubilities for use in textiles, plastics, coatings, and more. Buyers in this sector often seek reliable suppliers to ensure a consistent supply of this critical raw material.

Furthermore, the compound is gaining traction in pharmaceutical research and development. As a molecular scaffold, it can be incorporated into larger, more complex molecules designed for therapeutic purposes. Its potential as a building block for novel drug candidates makes it an attractive option for R&D departments. Scientists seeking to buy this intermediate for their research will appreciate the availability of high-purity grades that ensure experimental accuracy and reproducibility.

Sourcing Strategies and Quality Assurance
When planning to purchase 4-(4-hydroxyphenylazo)benzoic acid ethyl ester, especially from China, it is imperative to engage with reputable manufacturers and suppliers. Look for those who guarantee a minimum purity of 97% and can provide comprehensive documentation, such as Certificates of Analysis. Understanding the supplier's quality control measures and manufacturing standards is vital, particularly for applications in regulated industries like pharmaceuticals.

Procurement managers should also consider the supplier's capacity for timely delivery and their ability to offer competitive pricing, especially for bulk orders. Requesting samples before placing a large order is a crucial step to verify product quality and confirm that the material meets your specific project requirements. A responsive supplier will readily provide these samples and address any technical queries you may have.

In summary, 4-(4-hydroxyphenylazo)benzoic acid ethyl ester (CAS: 4418-89-7) is a valuable intermediate for chemical synthesis, dye production, and pharmaceutical research. By partnering with trusted China-based manufacturers, you can ensure the quality and availability needed to drive your projects forward.