Description

Dnp-L-Aspartic Acid CAS NO 7683-81-0 is a high-purity, chemically modified derivative of the essential amino acid L-aspartic acid, featuring a 2,4-dinitrophenyl (Dnp) protecting group. This compound is critical for advanced peptide synthesis and biochemical research, where precise molecular manipulation is required. It serves as a key intermediate for researchers and manufacturers in the pharmaceutical, biotechnology, and life science sectors who require reliable, high-quality building blocks for complex molecular assemblies.

Application

• Peptide Synthesis Intermediate: Used as a protected amino acid building block in solid-phase and solution-phase peptide synthesis, particularly where selective deprotection strategies are needed.
• Biochemical Research Reagent: Employed in enzyme studies, substrate specificity investigations, and the development of novel biochemical assays.
• Pharmaceutical Development: Serves as a precursor or intermediate in the research and development of peptide-based therapeutics and diagnostic agents.
• Chromatography & Analysis: Can be used as a reference standard or marker in analytical methods like HPLC for amino acid and peptide analysis.
• Academic & Industrial R&D: A valuable tool for universities and corporate R&D labs exploring protein chemistry, molecular biology, and medicinal chemistry.

Basic Information

Product Name	Dnp-L-Aspartic Acid
CAS No.	7683-81-0
Molecular Formula	C₁₀H₉N₃O₈
Molecular Weight	299.20 g/mol
Synonyms	N-(2,4-Dinitrophenyl)-L-aspartic acid; (2S)-2-[(2,4-Dinitrophenyl)amino]butanedioic acid; DNP-Asp-OH; Dnp-Aspartic Acid; L-Aspartic acid, N-(2,4-dinitrophenyl)-; N-Dnp-L-aspartic acid; 2,4-Dinitrophenyl-L-aspartic acid; Dnp-Asp
EINECS	Contact for details

Quality Control

Our Dnp-L-Aspartic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) with detailed specifications are provided for every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a low-humidity environment to prevent degradation and maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation	Specific range available on COA
Water Content	≤ 1.0%
Heavy Metals	< 20 ppm
Residual Solvents	Complies with ICH guidelines

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