Description

Dl-Leu-Dl-Leu CAS NO 2883-36-5 is a synthetic dipeptide composed of two leucine amino acid residues. This compound serves as a crucial building block and intermediate in advanced peptide synthesis and biochemical research. It is primarily utilized by pharmaceutical R&D laboratories, biotechnology companies, and academic institutions focused on developing novel therapeutic agents and studying protein structure-function relationships.

Application

• Pharmaceutical Intermediate: Key starting material for the synthesis of longer, more complex peptide-based drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a standard or reagent in proteomics research, enzyme studies, and metabolic pathway analysis.
• Peptide Library Construction: An essential component in combinatorial chemistry for creating diverse peptide libraries used in drug discovery and screening.
• Nutraceutical Development: Potential intermediate in the research and development of specialized bioactive peptides for nutritional supplements.
• Cosmetic Peptide Synthesis: Serves as a precursor in the manufacture of certain peptide ingredients used in advanced skincare formulations.

Basic Information

Product Name	Dl-Leu-Dl-Leu
CAS No.	2883-36-5
Molecular Formula	C₁₂H₂₄N₂O₃
Molecular Weight	244.33 g/mol
Synonyms	DL-Leucyl-DL-leucine; Leu-Leu; (RS)-Leucyl-(RS)-leucine; 2-[(2-Amino-4-methylpentanoyl)amino]-4-methylpentanoic acid; N-(DL-Leucyl)-DL-leucine; H-DL-Leu-DL-Leu-OH; DL-Leu-DL-Leu dipeptide; Leu-Leu dipeptide
EINECS	220-750-1

Quality Control

Our Dl-Leu-Dl-Leu is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity assessment and identity confirmation via spectroscopic methods, to ensure it meets exacting standards for research and synthesis. Certificates of Analysis (COA) detailing all test results are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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