Description

Ethyl Aspartate is a versatile ester derivative of the amino acid aspartic acid, serving as a key chiral building block and intermediate in advanced organic synthesis. Its value lies in providing a protected carboxyl group and a reactive amine, enabling precise control in the construction of complex molecules, particularly peptides and active pharmaceutical ingredients (APIs). This compound is essential for research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors seeking high-purity intermediates for process development and scale-up.

Application

• Pharmaceutical Intermediate: A crucial chiral synthon for the synthesis of peptide-based drugs, enzyme inhibitors, and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators requiring specific stereochemistry.
• Fine Chemical Production: Serves as a building block for flavors, fragrances, and specialty polymers where controlled reactivity is paramount.
• Bioconjugation & Linker Chemistry: Utilized in the development of antibody-drug conjugates (ADCs) and diagnostic agents due to its bifunctional reactivity.
• Academic & R&D: A valuable reagent for methodological studies in asymmetric synthesis and medicinal chemistry research.

Basic Information

Product Name	Ethyl Aspartate
CAS No.	7361-28-6
Molecular Formula	C8H15NO4
Molecular Weight	189.21 g/mol
Synonyms	L-Aspartic acid ethyl ester; Ethyl L-aspartate; Aspartic acid ethyl ester; H-Asp-OEt; (S)-2-Amino-1,4-dicarboxybutane ethyl ester; Ethyl 2-aminosuccinate; Ethyl amino succinate; UNII-9J5Q0S6B4C
EINECS	230-904-7

Quality Control

Our Ethyl Aspartate is produced under a strict quality management system. Each batch is subjected to comprehensive analytical testing, including HPLC for assay and chiral purity, to ensure it meets the high standards required for pharmaceutical and fine chemical applications. Certificates of Analysis (COA) detailing identity, purity, and specific impurity profiles are provided with 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, and well-ventilated area at controlled room temperature (15-25°C). The product is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% (L-isomer)
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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