Description

n-(n-Acetyl-L-Leucyl)-L-Tyrosine Butyl Ester is a synthetic dipeptide derivative, specifically an acetylated leucine-tyrosine butyl ester. This compound is valued for its role as a key intermediate and building block in advanced organic synthesis, particularly in the development of complex peptides and pharmaceutical actives. It is primarily utilized by research institutions, pharmaceutical development laboratories, and fine chemical manufacturers engaged in peptide chemistry and drug discovery.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel peptide-based therapeutics and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a substrate or reference standard in enzymatic studies and proteomics research to investigate peptide metabolism and interactions.
• Peptide Synthesis: Acts as a protected amino acid derivative in solid-phase and solution-phase peptide synthesis (SPPS) for constructing specific peptide sequences.
• Cosmetic Peptide Precursor: A potential intermediate for synthesizing bioactive peptides used in anti-aging and skin-care cosmetic formulations.
• Chemical Biology Probes: Employed in the design and development of labeled peptides or inhibitors for studying cellular pathways and protein functions.

Basic Information

Product Name	n-(n-Acetyl-L-Leucyl)-L-Tyrosine Butyl Ester
CAS No.	55723-91-6
Molecular Formula	C21H30N2O5
Molecular Weight	390.48 g/mol
Synonyms	Acetylleucyltyrosine Butyl Ester; N-Acetyl-L-leucyl-L-tyrosine butyl ester; L-Tyrosine, N-acetyl-L-leucyl-, butyl ester; Butyl N-acetyl-L-leucyl-L-tyrosinate; Ac-Leu-Tyr-OBu; N-Acetyl-Leu-Tyr-OBut; N-Acetylleucyltyrosine Butyl Ester; Ac-Leu-Tyr-OBut
EINECS	Contact for details

Quality Control

Our n-(n-Acetyl-L-Leucyl)-L-Tyrosine Butyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (HPLC), chiral purity, and related substances are provided to support research and cGMP manufacturing requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term storage, consider desiccants or inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation	Contact for details
Water Content (KF)	≤ 1.0%
Related Substances (HPLC)	Individual impurity ≤ 0.5%

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