Description

D-Aspartic Acid is a non-essential, non-proteinogenic amino acid that serves as the D-isomer of the common L-aspartic acid. This specific enantiomer is of significant commercial and research interest due to its distinct biological activity and role as a chiral building block in organic synthesis. It is primarily sought by manufacturers in the pharmaceutical, nutraceutical, and fine chemical industries for applications ranging from active pharmaceutical ingredient (API) synthesis to dietary supplement formulations.

Application

• Pharmaceutical Intermediates: A key chiral precursor in the synthesis of peptides, antibiotics, and other complex bioactive molecules.
• Dietary Supplements & Nutraceuticals: Used as a raw material in formulations targeting hormonal support and athletic performance.
• Biochemical Research: Essential for studying NMDA receptor function, neurotransmission, and enzymatic specificity in metabolic pathways.
• Food & Beverage Fortification: Employed as a nutritional additive and flavor enhancer in specialized food products.
• Cosmetic Ingredients: Incorporated into skincare formulations for its potential moisturizing and anti-aging properties.
• Organic Synthesis: Serves as a versatile chiral synthon for constructing complex organic compounds with high stereochemical purity.

Basic Information

Product Name	D-Aspartic Acid
CAS No.	1783-96-6
Molecular Formula	C4H7NO4
Molecular Weight	133.10 g/mol
Synonyms	(R)-2-Aminobutanedioic acid; D-Aminosuccinic acid; (R)-Aspartic acid; D-AA; D-Asp; H-D-Asp-OH; (2R)-2-Aminosuccinic acid; (R)-Aminosuccinic acid
EINECS	217-234-6

Quality Control

Our D-Aspartic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for pharmaceutical and nutraceutical applications. Certificates of Analysis (COA) detailing purity, enantiomeric excess, and 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 to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.5%
Enantiomeric Purity (HPLC)	≥ 99.0% (D-Isomer)
Specific Rotation [α]20/D	-24.5° to -26.0° (c=1 in 6N HCl)
Loss on Drying	≤ 0.5%
Residue on Ignition (Sulfated Ash)	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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