Description

H-Lys-Lys-Lys-Trp-Lys-Lys-Lys-Oh is a synthetic, cationic oligopeptide composed of lysine and tryptophan residues. This compound is valued for its strong positive charge and specific molecular recognition properties, making it a critical research tool in biochemistry and molecular biology. It is primarily utilized by researchers and manufacturers in the pharmaceutical and biotechnology sectors for applications ranging from drug delivery studies to biomaterial development.

Application

• Cell-Penetrating Peptide (CPP) Research: Investigated for its ability to facilitate the intracellular delivery of therapeutic molecules, including nucleic acids and proteins.
• Antimicrobial Peptide (AMP) Studies: Serves as a model compound for studying the mechanisms of cationic peptides against bacterial membranes.
• Drug Delivery System Development: Used in the design and evaluation of novel nanocarriers and targeted delivery platforms.
• Biomaterial Functionalization: Employed to modify surfaces with positively charged motifs to promote cell adhesion or impart specific bioactivity.
• Biochemical Reagent: Acts as a substrate or inhibitor in enzymatic assays and protein interaction studies.
• Gene Transfection Research: Explored as a non-viral vector component for in vitro and in vivo gene transfer experiments.

Basic Information

Product Name	H-Lys-Lys-Lys-Trp-Lys-Lys-Lys-Oh
CAS No.	213836-45-4
Molecular Formula	C54H94N16O9
Molecular Weight	1071.44 g/mol
Synonyms	K3WK3 Peptide; Lys-Lys-Lys-Trp-Lys-Lys-Lys; H-KKKWKKK-OH; (K)3W(K)3; Polylysine-Tryptophan Peptide; Cationic Heptapeptide; Oligolysine-Tryptophan Conjugate; L-Lysyl-L-lysyl-L-lysyl-L-tryptophyl-L-lysyl-L-lysyl-L-lysine
EINECS	Contact for details

Quality Control

Our H-Lys-Lys-Lys-Trp-Lys-Lys-Lys-Oh is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, MS for identity confirmation, and amino acid analysis. Certificates of Analysis (COA) detailing all specifications are provided to ensure traceability and compliance with your research or GMP-grade requirements.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a dry environment. This product is hygroscopic (moisture-sensitive). Allow the vial to equilibrate to room temperature before opening to minimize moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms to reference standard
Purity (HPLC)	≥ 95%
Single Impurity (HPLC)	≤ 1.0%
Amino Acid Composition	Within ±10% of theoretical
Water Content (KF)	≤ 5.0%
Peptide Content	≥ 80%

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