Description

L-Alanine, 1-Carboxyethyl Ester, (S)- (9Ci) is a chiral, non-proteinogenic amino acid derivative of significant interest in advanced organic synthesis and pharmaceutical research. This compound serves as a versatile building block for the preparation of peptides, peptidomimetics, and other bioactive molecules, offering precise stereochemical control. It is particularly valuable for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries who require high-purity, specialized intermediates for drug discovery and development programs.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of active pharmaceutical ingredients (APIs), especially for drugs targeting neurological and metabolic disorders.
• Peptide Synthesis: Used as a protected or modified amino acid building block in solid-phase and solution-phase peptide synthesis to introduce specific functional groups or alter peptide properties.
• Agrochemical Research: Employed in the development of novel herbicides, fungicides, and plant growth regulators that utilize amino acid-based chemistry.
• Bioconjugation & Probe Development: Useful for creating labeled compounds, affinity probes, and diagnostic agents in biochemical and biophysical research.
• Catalyst & Ligand Preparation: Acts as a precursor for chiral ligands and organocatalysts used in asymmetric synthesis.
• Food & Flavor Chemistry: Potential use in the research and synthesis of novel flavor enhancers and umami compounds.

Basic Information

Product Name	L-Alanine, 1-Carboxyethyl Ester, (S)- (9Ci)
CAS No.	29028-24-8
Molecular Formula	C6H11NO4
Molecular Weight	161.16 g/mol
Synonyms	(S)-2-(1-Carboxyethoxy)propanoic acid; L-2-(1-Carboxyethoxy)propionic acid; (S)-1-Carboxyethyl alaninate; Alanine, 1-carboxyethyl ester, L-; Ethyl hydrogen L-alaninosuccinate; L-Alanine, 1-carboxyethyl ester; NSC 403796; 29028-24-8
EINECS	Contact for details

Quality Control

Our L-Alanine, 1-Carboxyethyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for research and cGMP manufacturing. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and specification compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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