Understanding the fundamental chemical properties of compounds is crucial for their successful application, especially within the demanding pharmaceutical industry. D-Arginine, identified by its CAS Number 157-06-2, is one such compound that warrants detailed examination. Its molecular structure and inherent chemical characteristics make it a valuable asset in various scientific and industrial contexts.

D-Arginine, with the molecular formula C₆H₁₄N₄O₂, presents itself as a white solid powder. Its molecular weight is approximately 174.20 g/mol. Chemically, it is a D-alpha-amino acid, meaning it possesses the D-configuration at the alpha-carbon atom, distinguishing it from its L-enantiomer. This specific stereochemistry is often critical for biological activity and is a key consideration in pharmaceutical synthesis and research.

The CAS (Chemical Abstracts Service) Registry Number, 157-06-2, serves as a unique and universal identifier for D-Arginine, ensuring clarity and precision in scientific literature, regulatory documents, and commercial transactions. This standardized numbering system is vital for avoiding confusion and facilitating accurate communication among researchers, manufacturers, and regulatory bodies worldwide. When sourcing D-Arginine, referencing its CAS number is essential for confirming product identity and purity.

Further delving into its chemical properties, D-Arginine exhibits solubility in water, a characteristic that can be advantageous in certain formulation processes. Its structure includes a guanidino group, which is basic and can be protonated at physiological pH, contributing to its overall chemical behavior and interactions. These properties are actively utilized in its role as a chemical intermediate, particularly in the synthesis of complex APIs and peptides. The precise control over its chemical reactivity allows for targeted modifications and building block incorporation in sophisticated organic synthesis.

The purity of D-Arginine is a critical parameter for pharmaceutical applications. Suppliers typically provide specifications such as '99% min purity' and details on other analytical data like HPLC-MS. This meticulous attention to chemical purity ensures that the intermediate does not introduce undesirable contaminants into the final drug product. Pharmaceutical companies rely on these detailed specifications, which are often derived from understanding the compound's fundamental chemical properties, to validate their synthetic processes and guarantee the quality of their APIs.

In conclusion, the chemical properties of D-Arginine, coupled with its unique CAS number 157-06-2, underscore its significance as a fundamental compound in pharmaceutical research and manufacturing. Its D-alpha-amino acid configuration, solubility, and reactive functional groups make it a versatile intermediate, essential for the synthesis of advanced therapeutic agents.