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Lys-Lys-Lys-Lys CAS NO 997-20-6
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CAS No.:997-20-6
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Lys-Lys-Lys-Lys is a high-purity, synthetic tetralysine peptide, a crucial building block in advanced biochemical research and pharmaceutical development. This compound is essential for researchers and manufacturers requiring precisely defined oligopeptide sequences for structure-activity relationship (SAR) studies and novel drug design. It is particularly valuable for applications in peptide synthesis, biochemical assay development, and as a reference standard in analytical laboratories.
Application
- Pharmaceutical Research & Development: Serves as a critical intermediate or reference standard in the synthesis of longer therapeutic peptides and peptidomimetics.
- Biochemical Reagent: Used in enzymatic studies, substrate specificity assays, and as a model compound for investigating peptide-protein interactions.
- Cell Culture & Microbiology: Can be utilized as a component in specialized culture media or as a substrate in microbial fermentation studies.
- Cosmetic & Personal Care Formulations: Investigated for potential bio-active properties in advanced skincare and haircare products.
- Academic & Industrial Research: A fundamental tool for universities and R&D centers studying peptide chemistry, molecular biology, and material science.
- Diagnostic Kit Manufacturing: May be employed in the development and calibration of diagnostic assays and kits.
Basic Information
| Product Name | Lys-Lys-Lys-Lys |
| CAS No. | 997-20-6 |
| Molecular Formula | C24H52N12O5 |
| Molecular Weight | 588.76 g/mol |
| Synonyms | L-Lysyl-L-lysyl-L-lysyl-L-lysine; Tetralysine; Lys4; Poly-L-lysine (tetramer); H-Lys-Lys-Lys-Lys-OH; (S)-2,6-Diamino-N-((S)-6-((S)-2,6-diamino-1-((S)-2,6-diamino-1-oxohexan-2-yl)amino)-1-oxohexan-2-yl)hexanamide; O-Benzotriazole-N,N,N',N'-tetramethyl-uronium-hexafluoro-phosphate (HBTU) coupling product of Lysine |
| EINECS | Contact for details |
Quality Control
Our Lys-Lys-Lys-Lys is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, MS for identity confirmation, and tests for residual solvents and moisture content. We provide a comprehensive Certificate of Analysis (COA) with every shipment, detailing all specifications and test results to ensure traceability and compliance with your research or production requirements.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C (refrigerated) for long-term stability. This product is hygroscopic (moisture-sensitive). Allow the sealed vial to equilibrate to room temperature before opening to prevent condensation.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Identification (HPLC/MS) | Conforms to structure |
| Purity (HPLC) | ≥ 95.0% |
| Water Content (KF) | ≤ 5.0% |
| Heavy Metals | ≤ 20 ppm |
| Residual Solvents (GC) | Meets ICH guidelines |
| Specific Rotation | Contact for details |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






