Description

D-Aspartic Acid, 2-Methyl-, 4-Methyl Ester (9Ci) is a high-purity, non-natural amino acid derivative of significant interest in advanced organic synthesis and pharmaceutical research. This compound serves as a crucial chiral building block for the development of novel peptides, enzyme inhibitors, and other bioactive molecules. It is primarily utilized by research institutions, pharmaceutical R&D departments, and fine chemical manufacturers focused on creating innovative therapeutic agents and complex organic structures.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of novel peptide-based drugs, enzyme inhibitors, and other active pharmaceutical ingredients (APIs).
• Biochemical Research: Used in the study of enzyme-substrate interactions, metabolic pathways, and the structure-activity relationships of amino acid derivatives.
• Peptide Synthesis: Serves as a protected and modified aspartic acid residue in solid-phase and solution-phase peptide synthesis for creating custom sequences.
• Agrochemical Development: Employed in the research and development of new herbicides, fungicides, or plant growth regulators with specific chiral requirements.
• Asymmetric Catalysis: Can be utilized as a precursor or ligand in the development of chiral catalysts for stereoselective chemical transformations.
• Reference Standard: Acts as a high-purity analytical standard for quality control and method development in pharmaceutical and chemical analysis.

Basic Information

Product Name	D-Aspartic Acid, 2-Methyl-, 4-Methyl Ester (9Ci)
CAS No.	268736-90-9
Molecular Formula	C7H13NO4
Molecular Weight	175.18 g/mol
Synonyms	D-2-Methylaspartic acid 4-methyl ester; Methyl (2R)-2-amino-2-methyl-3-(methoxycarbonyl)propanoate; (2R)-2-Amino-2-methyl-3-(methoxycarbonyl)propanoic acid methyl ester; D-α-Methylaspartic acid β-methyl ester; D-2-Methylaspartate 4-methyl ester; (R)-2-Amino-2-methylsuccinic acid 4-methyl ester; D-2-Methyl-4-methyl aspartate
EINECS	Contact for details

Quality Control

Our D-Aspartic Acid, 2-Methyl-, 4-Methyl Ester (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for research and synthesis. A detailed Certificate of Analysis (COA) providing batch-specific data for identity, purity, and chiral excess is supplied with every order.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This material is moisture-sensitive (hygroscopic); keep the container tightly sealed in a dry environment 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% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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