Description

Diethyl Dl-Aspartate is a versatile diester derivative of the amino acid aspartic acid, serving as a crucial chiral building block and synthetic intermediate. Its primary value lies in providing a protected and solubilized form of aspartic acid, facilitating its incorporation into complex molecules under mild reaction conditions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, particularly for the synthesis of peptides, active pharmaceutical ingredients (APIs), and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of peptide-based drugs, prodrugs, and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of chiral pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Acts as a building block for flavors, fragrances, and advanced materials requiring specific stereochemistry.
• Biochemical Research: Employed in proteomics and enzymology studies as a substrate or precursor for modified amino acids.
• Asymmetric Synthesis: Utilized as a starting material or auxiliary in catalytic asymmetric reactions to introduce chiral centers.
• Polymer Modification: Can be incorporated into polymer chains to introduce functional carboxylate groups after deprotection.

Basic Information

Product Name	Diethyl Dl-Aspartate
CAS No.	43101-48-0
Molecular Formula	C8H15NO4
Molecular Weight	189.21 g/mol
Synonyms	DL-Aspartic Acid Diethyl Ester; Diethyl DL-Aspartate; Diethyl Aspartate; Aspartic Acid Diethyl Ester; Ethyl DL-Aspartate; 2-Aminobutanedioic Acid Diethyl Ester; Diethyl 2-Aminosuccinate; (±)-Diethyl Aspartate
EINECS	256-086-1

Quality Control

Our Diethyl Dl-Aspartate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity assessment and identity confirmation, to ensure it meets exacting standards for research and industrial use. Certificates of Analysis (COA) detailing specific batch results are provided to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation by atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Optical Purity (DL Ratio)	~ 1:1 (Racemic)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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