Description

H-Lys-Gly-Trp-Lys-Oh is a synthetic tetrapeptide sequence containing lysine, glycine, and tryptophan residues. This compound is valued for its specific amino acid composition, which makes it a valuable intermediate in peptide synthesis and biochemical research. It is primarily utilized by researchers and manufacturers in the pharmaceutical, biotechnology, and life science sectors for applications ranging from drug discovery to the development of novel bioactive compounds.

Application

• Pharmaceutical Research & Development: Serves as a key building block (intermediate) in the solid-phase or solution-phase synthesis of larger, more complex therapeutic peptides.
• Biochemical Studies: Used as a model compound to study peptide structure-activity relationships (SAR), enzyme-substrate interactions, or protein folding mechanisms.
• Proteomics & Diagnostics: Can be employed in the development of calibration standards, affinity ligands, or components in diagnostic assay kits.
• Cosmeceutical Ingredient Development: Investigated for potential use as a bioactive peptide in advanced skincare formulations targeting specific skin functions.

Basic Information

Item	Detail
Product Name	H-Lys-Gly-Trp-Lys-Oh
CAS No.	80496-38-4
Molecular Formula	C27H41N9O5
Molecular Weight	571.68 g/mol
Synonyms	Lys-Gly-Trp-Lys; H-Lys-Gly-Trp-Lys-OH; Tetrapeptide Lys-Gly-Trp-Lys; Lysyl-glycyl-tryptophyl-lysine; L-Lysyl-glycyl-L-tryptophyl-L-lysine; Gly-Trp-Lys-Lys; G-W-K-K peptide; 80496-38-4 (CAS Registry Number)
EINECS	Contact for details

Quality Control

Our H-Lys-Gly-Trp-Lys-Oh is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and development. A Certificate of Analysis (COA) detailing specific results 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 (typically 15-25°C). Due to its hygroscopic nature, the container must be kept sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms to reference standard
Purity (HPLC)	≥ 95.0%
Single Impurity (HPLC)	≤ 1.0%
Water Content (KF)	≤ 5.0%
Peptide Content	≥ 80.0%

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