Description

(+)-Dimethyl L-Tartrate CAS NO 608-68-4 is a high-purity chiral building block and resolving agent, essential for asymmetric synthesis in advanced pharmaceutical and fine chemical manufacturing. Its value lies in its ability to impart optical activity and serve as a versatile precursor for complex molecules. This product is critically needed by research institutions and industrial producers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing enantiomerically pure active ingredients and intermediates.

Application

• Chiral Resolution Agent: Used for the separation of racemic mixtures of amines, alcohols, and other compounds in pharmaceutical synthesis.
• Asymmetric Synthesis Intermediate: Serves as a key starting material or ligand precursor in catalytic asymmetric reactions.
• Pharmaceutical Intermediate: Employed in the synthesis of specific active pharmaceutical ingredients (APIs) requiring the L-tartrate moiety.
• Flavor and Fragrance Industry: Acts as a chiral synthon for the production of natural and synthetic flavor compounds.
• Agrochemical Synthesis: Used in the production of enantiomerically pure herbicides and pesticides.
• Polymer Modification: Functions as a monomer or cross-linking agent for creating specialty polymers with specific optical properties.
• Analytical Chemistry: Utilized as a standard or derivatizing agent in chromatographic methods for chiral analysis.

Basic Information

Product Name	(+)-Dimethyl L-Tartrate
CAS No.	608-68-4
Molecular Formula	C6H10O6
Molecular Weight	178.14 g/mol
Synonyms	Dimethyl (2R,3R)-2,3-dihydroxybutanedioate; L-(+)-Dimethyl Tartrate; (2R,3R)-Dimethyl Tartrate; (R,R)-Dimethyl Tartrate; Dimethyl L-Tartrate; (+)-Dimethyl Tartrate; Methyl L-Tartrate; Tartaric Acid Dimethyl Ester (L-form)
EINECS	210-163-9

Quality Control

Our (+)-Dimethyl L-Tartrate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets the highest standards for chiral purity and chemical identity, suitable for demanding synthetic applications. Certificates of Analysis (COA) detailing specific optical rotation, chemical purity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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 or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation [α]D20	+18° to +22° (c=1 in H2O)
Melting Point	89 - 92 °C
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%
Water Content (KF)	≤ 0.5%

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