Description

Didansyl-L-Lysine is a specialized, high-purity chemical derivative of L-lysine, featuring dual dansyl fluorophore groups. This compound is essential for advanced research and analytical applications due to its strong fluorescence properties and role as a derivatization agent. It is primarily utilized by researchers and quality control laboratories in the pharmaceutical, biotechnology, and life science sectors for precise analytical methodologies.

Application

• Amino Acid Analysis: Acts as a pre-column or post-column derivatization reagent in High-Performance Liquid Chromatography (HPLC) for the sensitive detection and quantification of amino acids.
• Fluorescent Labeling: Used to tag peptides, proteins, or other biomolecules to study their structure, function, and interactions via fluorescence spectroscopy or microscopy.
• Proteomics Research: Employed in enzymatic assays and studies of protein modification, folding, and degradation pathways.
• Pharmaceutical QC: Serves as a critical reference standard or reagent in the quality control of peptide-based drugs and biopharmaceuticals.
• Biochemical Assay Development: Utilized in developing novel fluorescent assays for enzyme activity (e.g., protease, peptidase) and metabolic studies.
• Diagnostic Reagent Manufacturing: A key component in formulating specialized diagnostic kits and reagents for clinical and research laboratories.

Basic Information

Product Name	Didansyl-L-Lysine
CAS No.	1263-03-2
Molecular Formula	C26H32N4O6S2
Molecular Weight	560.69 g/mol
Synonyms	Nε,Nε-Didansyl-L-lysine; N6,N6-Bis(5-dimethylaminonaphthalene-1-sulfonyl)-L-lysine; L-Lysine, N6,N6-bis[5-(dimethylamino)-1-naphthalenesulfonyl]-; Bis-Dansyl-L-lysine; Di-Dns-L-lysine; N,N'-Didansyllysine; Lys(Dns)2; BIS(DANSYL)-L-LYSINE
EINECS	215-008-8

Quality Control

Our Didansyl-L-Lysine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and analytical applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles 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 product is light-sensitive and should be handled under appropriate conditions to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm
Single Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 2.0%

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