Description

L-Threonineethylester is an important chiral building block and protected amino acid derivative. This compound is valued for its role in facilitating complex organic syntheses, particularly in the pharmaceutical and peptide research sectors. It serves as a crucial intermediate for the production of active pharmaceutical ingredients (APIs), peptide hormones, and other biologically active molecules. Industries such as pharmaceutical R&D, contract manufacturing, and fine chemical synthesis rely on its consistent quality and purity.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of complex APIs and therapeutic peptides.
• Peptide Synthesis: Used as a protected amino acid derivative in solid-phase and solution-phase peptide chemistry.
• Biochemical Research: Employed in proteomics research and as a standard or reagent in metabolic pathway studies.
• Agrochemical Development: Acts as a building block for synthesizing novel, bioactive compounds in crop protection.
• Fine Chemical Production: Utilized in the custom synthesis of specialty chemicals and advanced materials.
• Asymmetric Catalysis: Serves as a ligand precursor or chiral auxiliary in stereoselective synthesis.

Basic Information

Product Name	L-Threonineethylester
CAS No.	23926-51-4
Molecular Formula	C6H13NO3
Molecular Weight	147.17 g/mol
Synonyms	L-Threonine ethyl ester; Ethyl L-threoninate; (2S,3R)-2-Amino-3-hydroxybutanoic acid ethyl ester; H-Thr-OEt; L-Threonine, ethyl ester; Threonine ethyl ester; Ethyl (2S,3R)-2-amino-3-hydroxybutanoate
EINECS	Contact for details

Quality Control

Our L-Threonineethylester is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification, to ensure it meets the high standards required for pharmaceutical and research applications. A Certificate of Analysis (COA) detailing identity, purity, and specific impurity profiles is provided with every shipment. We adhere to cGMP principles where applicable 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 a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect stability and purity. Keep away from incompatible materials.

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
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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