Description

(-)-Methyl (R)-2-Thioxothiazolidine-4-Carboxylate is a high-purity chiral building block and key intermediate in organic synthesis. This compound matters for its role as a versatile precursor in the development of pharmaceuticals and bioactive molecules, particularly those requiring specific stereochemistry. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries for synthesizing novel compounds and active ingredients.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of potential drug candidates, especially those containing thiazolidine or related heterocyclic scaffolds.
• Agrochemical Research: Used in the development of novel pesticides and herbicides where specific stereochemistry is crucial for biological activity.
• Fine Chemical Synthesis: Serves as a versatile building block for creating complex molecules in custom synthesis and process development.
• Biochemical Research: Potential use as a precursor or modifier in the study of enzyme inhibitors or other biologically active compounds.
• Material Science: May be employed in the synthesis of specialized ligands or functional materials requiring sulfur-nitrogen heterocycles.

Basic Information

Product Name	(-)-Methyl (R)-2-Thioxothiazolidine-4-Carboxylate
CAS No.	80963-80-0
Molecular Formula	C5H7NO2S2
Molecular Weight	177.24 g/mol
Synonyms	(R)-(-)-Methyl 2-Thioxo-4-thiazolidinecarboxylate; Methyl (R)-2-Thioxo-4-thiazolidinecarboxylate; (R)-Methyl 2-Thioxothiazolidine-4-carboxylate; (R)-(-)-Methyl 2-Thioxothiazolidine-4-carboxylate; L-Proline, 2-thioxo-, methyl ester; Methyl (4R)-2-sulfanylidene-1,3-thiazolidine-4-carboxylate; (-)-Methyl (R)-2-mercaptothiazolidine-4-carboxylate
EINECS	Contact for details

Quality Control

Our (-)-Methyl (R)-2-Thioxothiazolidine-4-Carboxylate is produced under strict quality management protocols to ensure batch-to-batch consistency and high chemical purity. Each lot undergoes comprehensive analytical testing, including chiral purity verification. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

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
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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