Description

n-(n-Acetyl-L-Leucyl)-L-Leucine Butyl Ester CAS NO 55712-43-1 is a synthetic dipeptide derivative, specifically an acetylated leucine-leucine butyl ester. This compound is valued as a key building block and intermediate in advanced organic synthesis, particularly in the production of complex peptides and peptidomimetics. It is primarily required by research institutions and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors for drug discovery and development programs.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel peptide-based therapeutics and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used in proteomics and enzymology studies as a substrate or inhibitor analog for investigating enzyme mechanisms, particularly those involving leucine-specific proteases.
• Peptidomimetic Development: Serves as a scaffold for creating modified peptides with enhanced stability, bioavailability, or specific biological activity.
• Fine Chemical Synthesis: Employed in custom synthesis and contract manufacturing for producing specialized compounds for agrochemical and material science applications.

Basic Information

Product Name	n-(n-Acetyl-L-Leucyl)-L-Leucine Butyl Ester
CAS No.	55712-43-1
Molecular Formula	C18H34N2O4
Molecular Weight	342.48 g/mol
Synonyms	Acetyl-Leu-Leu-OBut; N-Acetyl-L-leucyl-L-leucine butyl ester; Butyl N-acetyl-L-leucyl-L-leucinate; L-Leucine, N-acetyl-L-leucyl-, butyl ester; Ac-Leu-Leu-OBu; N-Acetylleucylleucine Butyl Ester; Leu-Leu butyl ester (acetylated); N-Acetyl-L-leucyl-L-leucine butylester
EINECS	Contact for details

Quality Control

Our n-(n-Acetyl-L-Leucyl)-L-Leucine Butyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) documenting all specifications are available upon request.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Optical Rotation [α]D20	Contact for details
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.