Description

Dimethyl-L-Tartrate is the dimethyl ester of L-tartaric acid, a high-purity chiral building block essential for asymmetric synthesis. This compound is valued for its role as a versatile precursor in the production of pharmaceuticals, agrochemicals, and specialty chemicals, where its defined stereochemistry is critical. It serves the needs of research institutions, fine chemical manufacturers, and companies developing active pharmaceutical ingredients (APIs) and advanced materials.

Application

• Chiral Auxiliary and Resolving Agent: Used in asymmetric synthesis to induce stereoselectivity and for the resolution of racemic mixtures.
• Pharmaceutical Intermediate: A key starting material or intermediate in the synthesis of various optically active drugs and APIs.
• Ligand for Catalysis: Employed in the preparation of chiral ligands for metal-catalyzed reactions, including hydrogenations and oxidations.
• Fine Chemical Synthesis: Serves as a building block for flavors, fragrances, and other high-value specialty chemicals.
• Polymer Modification: Used to introduce chiral centers or ester functionalities into polymers for advanced material properties.
• Analytical Chemistry: Acts as a standard or reference compound in chromatographic methods for chiral separation.

Basic Information

Product Name	Dimethyl-L-Tartrate
CAS No.	5608-68-4
Molecular Formula	C6H10O6
Molecular Weight	178.14 g/mol
Synonyms	L-(+)-Dimethyl Tartrate; (2R,3R)-Dimethyl 2,3-Dihydroxysuccinate; Dimethyl (2R,3R)-2,3-Dihydroxybutanedioate; L-Tartaric Acid Dimethyl Ester; (R,R)-Dimethyl Tartrate; Methyl L-Tartrate; L-Dimethyl Tartrate; (+)-Dimethyl L-Tartrate
EINECS	227-007-1

Quality Control

Our Dimethyl-L-Tartrate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chiral purity and chemical assay, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, specific rotation, and impurity profiles is provided with every shipment.

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). Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Specific Rotation [α]20/D	+18.0° to +22.0° (c=1 in H2O)
Melting Point	88°C - 92°C
Heavy Metals	≤ 10 ppm
Residue on Ignition	≤ 0.1%
Optical Purity (Chiral HPLC)	≥ 99.0% ee

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