Description

H-Leu-Ala-Leu-Ala-Oet is a synthetic tetrapeptide derivative featuring a C-terminal ethyl ester. This compound is a valuable building block in peptide synthesis and biochemical research, offering a protected sequence for constructing more complex peptide structures. It is primarily utilized by researchers and manufacturers in the pharmaceutical, biotechnology, and life science sectors for applications in drug discovery, proteomics, and as a reference standard.

Application

• Peptide Synthesis Intermediate: Serves as a crucial protected fragment for the solid-phase or solution-phase synthesis of longer, biologically active peptides.
• Biochemical Research: Used as a model substrate in enzymatic studies, particularly for investigating protease specificity and kinetics.
• Pharmaceutical Development: Acts as a key precursor in the research and development of novel peptide-based therapeutics and diagnostic agents.
• Reference Standard: Employed as a high-purity analytical standard for quality control and method validation in peptide analysis via HPLC or LC-MS.
• Structure-Activity Relationship (SAR) Studies: Utilized to explore the impact of the Leu-Ala-Leu-Ala sequence on biological activity and peptide stability.

Basic Information

Product Name	H-Leu-Ala-Leu-Ala-Oet
CAS No.	81525-84-0
Molecular Formula	C22H40N4O6
Molecular Weight	456.58 g/mol
Synonyms	L-Leucyl-L-alanyl-L-leucyl-L-alanine ethyl ester; Leu-Ala-Leu-Ala-OEt; H-Leu-Ala-Leu-Ala-OEt; Ethyl L-leucyl-L-alanyl-L-leucyl-L-alaninate; Tetrapeptide Leu-Ala-Leu-Ala ethyl ester; Ala-Leu-Ala-Leu-Oet; LA-LA-Oet
EINECS	Contact for details

Quality Control

Our H-Leu-Ala-Leu-Ala-Oet is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, MS for identity confirmation, and chiral analysis to ensure stereochemical integrity. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C or as indicated on the label or COA. This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms
Purity (HPLC)	≥ 97.0%
Assay	≥ 95.0% (on anhydrous basis)
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%
Specific Rotation	Contact for details

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