Description

Lys-Lys-Lys CAS NO 13184-14-0 is a synthetic tripeptide composed of three consecutive L-lysine amino acid residues. This compound serves as a fundamental building block in peptide synthesis and biochemical research, offering a defined sequence for studying lysine-rich protein domains. It is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and life science sectors who require high-purity peptide intermediates for drug discovery, diagnostic development, and advanced material science.

Application

• Pharmaceutical Intermediate: Used as a key precursor in the solid-phase or solution-phase synthesis of longer therapeutic peptides and peptidomimetics.
• Biochemical Research: Serves as a standard or model compound for studying enzyme kinetics, particularly for lysine-specific proteases like trypsin, and for investigating post-translational modifications such as methylation and acetylation.
• Cell Culture & Media Supplement: Can be utilized as a defined nutrient component in specialized cell culture media formulations to support specific metabolic pathways.
• Cosmetic Peptide Synthesis: Acts as a raw material for synthesizing bioactive peptides used in anti-aging and skin-repair cosmetic formulations, leveraging lysine's role in collagen cross-linking.
• Diagnostic Reagent Development: Employed in the design and production of antigens, haptens, or calibration standards for immunoassays and clinical diagnostics.
• Material Science: Investigated for creating bio-inspired, lysine-rich polymers and hydrogels with applications in drug delivery systems and tissue engineering scaffolds.

Basic Information

Product Name	Lys-Lys-Lys
CAS No.	13184-14-0
Molecular Formula	C18H39N9O4
Molecular Weight	445.56 g/mol
Synonyms	L-Lysyl-L-lysyl-L-lysine; H-Lys-Lys-Lys-OH; Tri-L-lysine; Lysine Tripeptide; L-Lysine Homotripeptide; (2S)-2,6-Diamino-N-[(2S)-6-amino-1-{[(2S)-6-amino-1-oxo-1-{[(2S)-6-amino-1-oxohexan-2-yl]amino}hexan-2-yl]amino}hexan-2-yl]hexanamide; Polylysine (K3); KKK Peptide
EINECS	Contact for details

Quality Control

Our Lys-Lys-Lys is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing including HPLC for purity and identity confirmation, chiral analysis, and residual solvent screening to ensure it meets stringent specifications for research and cGMP-grade applications. Certificates of Analysis (COA) with detailed chromatographic data are provided for full traceability and regulatory support.

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 product is hygroscopic (moisture-sensitive). For long-term storage, consider desiccated conditions at -20°C to maintain optimal stability and prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0%
Assay (Titration)	≥ 98.0% (on anhydrous basis)
Specific Rotation	Contact for details
Water Content (KF)	≤ 5.0%
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	≤ 20 ppm

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