Description

n-(n-L-Leucylglycyl)-L-Leucine is a synthetic tripeptide composed of two leucine residues and one glycine. This compound is of significant interest in biochemical research and pharmaceutical development due to its role as a model peptide substrate and building block. It is primarily utilized by research institutions and manufacturers in the life sciences sector for applications in enzymology, proteomics, and as a precursor in the synthesis of more complex bioactive peptides.

Application

• Biochemical Research: Used as a standard or substrate in enzymatic studies, particularly for proteases and peptidases.
• Pharmaceutical Intermediates: Serves as a key building block in the solid-phase or solution-phase synthesis of larger, therapeutically relevant peptides.
• Proteomics & Mass Spectrometry: Employed as a calibration standard or reference compound in analytical workflows for peptide identification and quantification.
• Cell Culture & Media Supplements: Investigated for potential use as a nutrient or signaling molecule in specialized cell culture media formulations.
• Cosmetic Peptide Synthesis: Acts as a precursor in the development of anti-aging or skin-conditioning peptide actives for cosmetic applications.

Basic Information

Product Name	n-(n-L-Leucylglycyl)-L-Leucine
CAS No.	19408-48-1
Molecular Formula	C14H26N4O4
Molecular Weight	314.38 g/mol
Synonyms	L-Leucyl-glycyl-L-leucine; Leu-Gly-Leu; H-Leu-Gly-Leu-OH; N-(N-L-Leucylglycyl)-L-leucine; L-Leu-L-Gly-L-Leu; Tripeptide Leu-Gly-Leu; Glycine, L-leucyl-L-leucyl-; (S)-2-((S)-2-((S)-2-Amino-4-methylpentanamido)acetamido)-4-methylpentanoic acid
EINECS	Contact for details

Quality Control

Our n-(n-L-Leucylglycyl)-L-Leucine is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and identity confirmation (IR, MS) to ensure it meets high-purity research-grade standards. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality attributes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C for long-term stability. This material is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Specific Rotation	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.