Description

Di-Dnp-L-Lysine is a specialized biochemical derivative of the essential amino acid L-Lysine, modified with two 2,4-dinitrophenyl (Dnp) groups. This compound is a critical reagent and reference standard in advanced biochemical research and analytical method development. It is primarily utilized by research institutions, pharmaceutical R&D laboratories, and quality control departments for precise analytical work. Its defined structure makes it invaluable for studies involving amino acid analysis, protein chemistry, and the development of chromatographic assays.

Application

• Chromatographic Reference Standard: Used as a high-purity standard for calibrating HPLC and other analytical systems in amino acid analysis.
• Biochemical Research: Serves as a key intermediate or derivative in studies of protein modification, amino acid reactivity, and enzyme kinetics.
• Method Development & Validation: Employed in developing and validating new analytical methods for the detection and quantification of amino acids and their derivatives.
• Pharmaceutical Quality Control: Acts as a system suitability test compound or an impurity reference standard in the QC of peptide-based pharmaceuticals.
• Educational & Diagnostic Kits: Can be incorporated into advanced educational laboratory kits and specialized diagnostic assays for teaching and research purposes.

Basic Information

Product Name	Di-Dnp-L-Lysine
CAS No.	1655-49-8
Molecular Formula	C18H18N6O10
Molecular Weight	478.37 g/mol
Synonyms	Nε,Nε-Bis(2,4-dinitrophenyl)-L-lysine; L-Lysine, N6,N6-bis(2,4-dinitrophenyl)-; Di-DNP-lysine; DNP-Lysine; Bis(2,4-dinitrophenyl)-L-lysine; N6,N6-Di-DNP-L-lysine; (2S)-2-Amino-6-[[(2,4-dinitrophenyl)amino](2,4-dinitrophenyl)amino]hexanoic acid
EINECS	Contact for details

Quality Control

Our Di-Dnp-L-Lysine is produced and tested to meet exacting standards for research and analytical applications. Each batch undergoes comprehensive analysis including identification, purity assay, and impurity profiling. A detailed Certificate of Analysis (COA) is provided with every shipment, ensuring full traceability and compliance with your internal quality protocols. We support cGMP practices for manufacturing and can accommodate custom purity requirements.

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 orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Specific Rotation	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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