In the vast and complex world of chemistry, precise identification of compounds is paramount. Whether for research, manufacturing, or regulatory compliance, a standardized system for naming and tracking chemicals is indispensable. This is where Chemical Abstracts Service (CAS) numbers play a critical role. Each unique chemical substance is assigned a distinct CAS Registry Number®, a globally recognized identifier that removes ambiguity and ensures consistency. For instance, the compound (Z)-Ethyl-2-ethoxy-3-((2'-(N'-hydroxycarbaMiMidoyl) biphenyl-4-yl) Methyl)-3H-benzo[d] iMidazole-4-carboxylate is universally known by its CAS number 1397836-41-7.

The importance of CAS numbers is particularly evident in the pharmaceutical industry and related fields. When researchers are looking for a specific chemical, such as a pharmaceutical intermediate or an impurity standard, using the CAS number is the most efficient and accurate method. Searching for “Azilsartan Impurity 26” might yield various results, but searching for “CAS 1397836-41-7” will directly pinpoint the exact compound. This precision is vital for avoiding errors in procurement, experimentation, and documentation.

Moreover, CAS numbers are essential for efficient sourcing. When one identifies a need for a particular chemical, like a high-purity fine chemical or an Azilsartan precursor, utilizing supplier databases and chemical marketplaces becomes the next step. These platforms are designed to be searchable by CAS number, allowing users to quickly find multiple pharmaceutical intermediate suppliers or manufacturers. For example, a search for “1397836-41-7” will reveal various companies offering the product, allowing for comparison of pricing, purity, and availability. This is crucial when trying to buy Azilsartan Impurity 26 or any other chemical.

The CAS number also serves as a vital reference point in scientific literature, patents, and regulatory submissions. It ensures that all parties are referring to the same chemical substance, facilitating clear communication and collaboration. For any laboratory or manufacturing facility that handles a diverse range of chemicals, maintaining an organized inventory with accurate CAS numbers is a fundamental practice for operational efficiency and safety. In essence, the CAS number is more than just a numerical identifier; it is the cornerstone of accurate chemical communication and reliable sourcing in the global chemical marketplace.