Description

L-Threonine, Propyl Ester (9Ci) is a protected derivative of the essential amino acid L-threonine, where the carboxylic acid group is esterified with propanol. This modification enhances its lipophilicity and stability, making it a valuable building block in advanced organic synthesis and pharmaceutical research. It is primarily utilized by researchers and manufacturers in the life sciences sector for applications requiring a masked threonine moiety.

Application

• Pharmaceutical Intermediates: A key chiral synthon in the synthesis of complex drug molecules, peptides, and protease inhibitors.
• Peptide Chemistry: Used in solid-phase and solution-phase peptide synthesis as a protected amino acid derivative to prevent unwanted side reactions.
• Biochemical Research: Serves as a precursor or standard in metabolic studies and enzymatic research involving amino acid pathways.
• Agrochemical Development: Employed in the research and synthesis of novel, bioactive compounds for crop protection.
• Fine Chemical Synthesis: Acts as a versatile building block for creating specialty chemicals with specific stereochemical configurations.

Basic Information

Product Name	L-Threonine, Propyl Ester (9Ci)
CAS No.	764724-41-6
Molecular Formula	C7H15NO3
Molecular Weight	161.20 g/mol
Synonyms	L-Threonine Propyl Ester; (2S,3R)-2-Amino-3-hydroxybutyric Acid Propyl Ester; Propyl L-Threoninate; L-Threonine n-Propyl Ester; Threonine Propyl Ester; (S,R)-Threonine Propyl Ester; 2-Amino-3-hydroxybutanoic Acid Propyl Ester; L-α-Amino-β-hydroxybutyric Acid Propyl Ester
EINECS	Contact for details

Quality Control

Our L-Threonine, Propyl Ester (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification and impurity profiling, to ensure it meets the high standards required for research and synthesis. A Certificate of Analysis (COA) detailing specific results for identity, assay, and purity is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
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%

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