Description

H-Lys-Leu-Oh is a high-purity dipeptide derivative, specifically the H-Lysyl-Leucine dipeptide with a free carboxylic acid terminus. This compound serves as a critical building block and intermediate in advanced peptide synthesis and biochemical research. It is essential for pharmaceutical R&D, particularly in the development of novel therapeutic peptides and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Key building block for the solid-phase and solution-phase synthesis of longer, complex peptide chains for therapeutic applications.
• Biochemical Research: Used as a standard or substrate in enzymatic studies, metabolic pathway analysis, and proteomics research.
• Cosmetic Peptide Synthesis: Intermediate in the production of bioactive peptides for anti-aging, moisturizing, and skin-repair cosmetic formulations.
• Nutraceutical Development: Component in the research and development of specialized dietary supplements and functional food ingredients.
• Academic & Industrial R&D: Serves as a precise chemical tool for studying structure-activity relationships (SAR) in peptide science.

Basic Information

Product Name	H-Lys-Leu-Oh
CAS No.	7369-79-1
Molecular Formula	C12H25N3O3
Molecular Weight	259.35 g/mol
Synonyms	H-Lys-Leu-OH; L-Lysyl-L-leucine; Lys-Leu; Nα-Boc-Nε-Z-L-Lysyl-L-Leucine (precursor); (2S)-2-[[(2S)-2,6-diaminohexanoyl]amino]-4-methylpentanoic acid; Lysylleucine; L-Lys-L-Leu; Peptide building block 7369-79-1
EINECS	Contact for details

Quality Control

Our H-Lys-Leu-Oh is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and chiral analysis to confirm stereochemical integrity, ensuring it meets the stringent requirements for pharmaceutical R&D. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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 material is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Optical Rotation	Contact for details
Water Content (KF)	≤1.0%
Residue on Ignition	≤0.5%
Heavy Metals	≤20 ppm

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