Description

1,2-Cyclopentanedicarboxylic Acid, 4-Oxo-, 1,2-Dimethyl Ester, (1R,2R)- is a high-purity chiral building block of significant value in advanced organic synthesis. This compound matters for its role as a key intermediate in the production of complex, stereochemically defined molecules, particularly in the pharmaceutical sector. It is primarily needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and fine chemical industries for constructing active pharmaceutical ingredients (APIs) and other high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the synthesis of complex drug molecules, particularly those requiring specific (1R,2R) stereochemistry.
• Agrochemical Synthesis: Used in the research and development of advanced, stereoselective pesticides and herbicides.
• Catalyst and Ligand Development: Serves as a precursor for creating novel chiral catalysts and ligands used in asymmetric synthesis.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances where precise molecular architecture is required.
• Academic and Industrial Research: A valuable tool for methodological development in organic chemistry and for exploring new synthetic pathways.

Basic Information

Product Name	1,2-Cyclopentanedicarboxylic Acid, 4-Oxo-, 1,2-Dimethyl Ester, (1R,2R)-
CAS No.	35079-19-7
Molecular Formula	C10H14O5
Molecular Weight	214.22 g/mol
Synonyms	(1R,2R)-4-Oxo-1,2-cyclopentanedicarboxylic acid 1,2-dimethyl ester; (1R,2R)-Dimethyl 4-oxocyclopentane-1,2-dicarboxylate; (1R,2R)-1,2-Dimethyl 4-oxocyclopentane-1,2-dicarboxylate; (1R,2R)-4-Oxocyclopentane-1,2-dicarboxylic acid dimethyl ester; (1R,2R)-rel-4-Oxocyclopentane-1,2-dicarboxylic Acid Dimethyl Ester; (1R,2R)-4-Oxocyclopentane-1,2-dicarboxylate dimethyl ester; Dimethyl (1R,2R)-4-oxocyclopentane-1,2-dicarboxylate
EINECS	Contact for details

Quality Control

Our 1,2-Cyclopentanedicarboxylic Acid, 4-Oxo-, 1,2-Dimethyl Ester, (1R,2R)- is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure compliance with exacting standards for pharmaceutical and fine chemical intermediates. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request.

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). Keep away from strong alkalis and incompatible organic solvents. For long-term storage, consider inert gas purging to maintain product integrity.

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 (1R,2R)
Water Content (KF)	≤ 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.