Description

D-Alanine, n-(2-Hydroxyethyl)-, Ethyl Ester (9Ci) is a chiral, non-natural amino acid derivative characterized by its D-configuration and an N-(2-hydroxyethyl) side chain. This specific stereochemistry and functionalization make it a valuable building block for the synthesis of complex peptides and peptidomimetics, offering precise control over molecular conformation and biological activity. It is primarily utilized by research institutions and pharmaceutical companies engaged in advanced drug discovery, particularly for developing novel enzyme inhibitors, receptor ligands, and diagnostic agents. The compound, identified by CAS No. 99209-08-2, is supplied to meet the stringent purity requirements of modern organic and medicinal chemistry.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new active pharmaceutical ingredients (APIs), especially in peptide-based therapeutics.
• Peptidomimetic Design: Used to construct peptide analogs with enhanced metabolic stability, bioavailability, and target selectivity.
• Biochemical Research: Serves as a substrate or inhibitor in enzymatic studies to investigate protease and peptidase mechanisms.
• Ligand Synthesis: Employed in the preparation of specialized ligands for asymmetric catalysis and molecular recognition applications.
• Diagnostic Agent Development: Incorporated into probes and contrast agents for medical imaging and diagnostic assays.
• Academic & Industrial R&D: A fundamental reagent for synthetic organic chemists exploring new methodologies and compound libraries.

Basic Information

Item	Details
Product Name	D-Alanine, n-(2-Hydroxyethyl)-, Ethyl Ester (9Ci)
CAS No.	99209-08-2
Molecular Formula	C7H15NO3
Molecular Weight	161.20 g/mol
Synonyms	Ethyl N-(2-Hydroxyethyl)-D-alaninate; D-2-[(2-Hydroxyethyl)amino]propanoic Acid Ethyl Ester; (R)-Ethyl 2-((2-hydroxyethyl)amino)propanoate; N-(2-Hydroxyethyl)-D-alanine Ethyl Ester; D-Alanine, N-(2-hydroxyethyl)-, ethyl ester; Alanine, N-(2-hydroxyethyl)-, ethyl ester, D-; Ethyl (R)-2-((2-hydroxyethyl)amino)propanoate
EINECS	Contact for details

Quality Control

Our D-Alanine, n-(2-Hydroxyethyl)-, Ethyl Ester (9Ci) is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for research and development applications. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from incompatible materials such as strong bases and organic solvents. For long-term storage, consider inert atmosphere conditions to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.