Description

Cyclopentanecarboxylic Acid, 1,2-Dihydroxy-4-Methoxy-, Methyl Ester (9Ci) is a functionalized cyclopentane derivative that serves as a versatile chiral building block and intermediate in advanced organic synthesis. Its unique structure, featuring multiple oxygen-containing functional groups, makes it valuable for constructing complex molecular architectures with precise stereochemistry. This compound is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex, stereochemically defined molecules.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where its functional groups enable specific biological activity.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other high-value specialty chemicals that benefit from its cyclic, oxygenated structure.
• Academic & Industrial Research: Employed as a model compound or starting material in methodological studies for asymmetric synthesis, catalysis, and natural product synthesis.
• Ligand and Catalyst Development: The dihydroxy and methoxy groups make it a potential candidate for developing novel chiral ligands and organocatalysts.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 1,2-Dihydroxy-4-Methoxy-, Methyl Ester (9Ci)
CAS No.	76325-19-4
Molecular Formula	C9H16O5
Molecular Weight	204.22 g/mol
Synonyms	Methyl 1,2-dihydroxy-4-methoxycyclopentanecarboxylate; 1,2-Dihydroxy-4-methoxycyclopentanecarboxylic acid methyl ester; 4-Methoxy-1,2-cyclopentanedicarboxylic acid 1-methyl ester; (1R,2S,4R)-Methyl 1,2-dihydroxy-4-methoxycyclopentanecarboxylate (stereoisomer); Cyclopentanecarboxylic acid, 1,2-dihydroxy-4-methoxy-, methyl ester, (1R,2S,4R)-; Methyl (1R,2S,4R)-1,2-dihydroxy-4-methoxycyclopentanecarboxylate
EINECS	Contact for details

Quality Control

Our Cyclopentanecarboxylic Acid, 1,2-Dihydroxy-4-Methoxy-, Methyl Ester (9Ci) is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) that include results from HPLC, GC, NMR, and chiral purity analysis. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliable supply and traceability for critical R&D and production applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. The container should be kept tightly sealed when not in use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee (Specific isomer available upon request)
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.