Description

H-Lys-Arg-Oh is a high-purity dipeptide building block, specifically the lysyl-arginine derivative. This compound is essential for advanced peptide synthesis and biochemical research, offering precise structural control. It is primarily utilized by pharmaceutical R&D teams, biotechnology companies, and academic laboratories developing novel therapeutic peptides, diagnostic tools, and biochemical probes.

Application

• Pharmaceutical Intermediate: A key building block in the solid-phase and solution-phase synthesis of complex therapeutic peptides targeting various diseases.
• Biochemical Research: Used as a substrate or standard in enzymatic studies, particularly those involving proteases like trypsin or other enzymes that cleave at lysine and arginine residues.
• Proteomics & Diagnostics: Employed in the development of calibration standards, affinity tags, and specialized reagents for mass spectrometry and diagnostic assay development.
• Cosmeceutical Peptide Synthesis: Serves as a precursor for synthesizing bioactive peptides used in advanced skincare and cosmetic formulations.
• Nutraceutical Development: Investigated for use in designing bioactive peptide sequences for functional food and dietary supplement applications.

Basic Information

Product Name	H-Lys-Arg-Oh
CAS No.	29586-66-1
Molecular Formula	C12H26N6O3
Molecular Weight	302.38 g/mol
Synonyms	L-Lysyl-L-arginine; Lys-Arg; Lysylarginine; H-Lys-Arg-OH; L-Lys-L-Arg; N2-[(N6-L-Lysyl)-L-arginine]; (2S)-2-[[(2S)-2,6-diaminohexanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid
EINECS	Contact for details

Quality Control

Our H-Lys-Arg-Oh is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, optical rotation, and residual solvent analysis, to ensure it meets exacting standards for research and cGMP-grade applications. A comprehensive Certificate of Analysis (COA) 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. For long-term storage, consider desiccated conditions at -20°C.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation	-20.0° to -24.0° (c=1 in H2O)
Water Content (KF)	≤ 1.0%
Heavy Metals	≤ 10 ppm
Residual Solvents (GC)	Meets ICH guidelines
Single Impurity (HPLC)	≤ 0.5%

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