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D-Alanine: The Essential Bacterial Cell Wall Component

Introducing D-Alanine, the non-proteinogenic variant of alanine, also known as D-ala or (R)-alanine. This versatile organic compound is a cornerstone in the world of organic chemistry, renowned for its strong basic properties and essential role in bacterial cell wall biosynthesis. With a CAS No. of 338-69-2 and a molecular formula of C3H7NO2, D-Alanine is a key player in the synthesis of peptidoglycan crosslinking subunits, vital for constructing robust bacterial cell walls. Its presence in all living organisms, from bacteria to humans, underscores its importance in various biological processes.

Product Specifications and Properties

D-Alanine is presented in the form of white crystals or crystalline powder, ensuring purity and ease of use. With a minimum assay of 98.0% (HPLC) and a specific rotation of -14.3° to -15.3°, this product meets stringent quality standards. The melting point is 278-282°C, and it boasts an impressive water solubility of 155 g/L at 20°C. Below are some key specifications:

• Appearance: White crystals or crystalline powder
• Assay: 98.0% min. (HPLC)
• Transmittance: 95.0% min.
• Specific rotation [α]D25: -14.3° to -15.3°
• Loss on drying: 0.2% max.
• Chloride [Cl-]: 0.1% max.
• Residue on ignition: 0.2% max.
• Heavy metals [Pb]: 10ppm max.
• Arsenic [As2O3]: 2ppm max.

These specifications make D-Alanine a reliable choice for research and industrial applications.

Applications and Benefits

D-Alanine finds extensive applications in the study of alanine racemase(s) (alaR) and is a critical component in bacterial cell wall biosynthesis. Its unique properties make it essential for the construction of robust cell walls, ensuring the structural integrity of bacteria. Here are some practical uses and benefits:

• Essential for bacterial cell wall biosynthesis
• Used in the study of alanine racemase(s) (alaR)
• Key component in the biosynthesis of peptidoglycan crosslinking subunits

Whether you are a researcher in the field of microbiology or an industrial chemist, D-Alanine is a versatile tool that can enhance your work. Its applications span across various industries, making it a valuable addition to any laboratory or production facility.