Description

4-Oxo-Cyclopentane-cis-1,2-Dicarboxylic Acid Dimethyl Ester is a high-purity, versatile chemical intermediate with a defined cyclic structure. This compound is valued for its role as a key building block in the synthesis of complex organic molecules, offering precise stereochemistry and functional group compatibility. It is primarily sought by research and development teams, as well as production chemists, in the pharmaceutical, agrochemical, and advanced material science industries for creating novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of prostaglandin analogs, nucleoside derivatives, and other bioactive molecules with cyclic frameworks.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators requiring specific stereochemical configurations.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for creating specialty polymers with tailored thermal and mechanical properties.
• Organic Synthesis & Research: A valuable building block in academic and industrial R&D for constructing complex natural products and exploring new chemical reactions (e.g., Diels-Alder, Michael additions).
• Flavor & Fragrance Industry: Potential intermediate for synthesizing specific musk or ester-based aroma chemicals.
• Fine Chemical Production: Employed in the multi-step synthesis of dyes, pigments, and other performance chemicals.

Basic Information

Product Name	4-Oxo-Cyclopentane-cis-1,2-Dicarboxylic Acid Dimethyl Ester
CAS No.	28269-02-5
Molecular Formula	C9H12O5
Molecular Weight	200.19 g/mol
Synonyms	Dimethyl cis-4-Oxocyclopentane-1,2-dicarboxylate; cis-1,2-Bis(methoxycarbonyl)-4-cyclopentanone; 4-Oxocyclopentane-1,2-dicarboxylic acid dimethyl ester; 4-Ketocyclopentane-1,2-dicarboxylic Acid Dimethyl Ester; Cyclopentanone-4,5-dicarboxylic acid dimethyl ester; Dimethyl 4-oxocyclopentane-1,2-dicarboxylate; 1,2-Cyclopentanedicarboxylic acid, 4-oxo-, dimethyl ester, cis-
EINECS	Contact for details

Quality Control

Our 4-Oxo-Cyclopentane-cis-1,2-Dicarboxylic Acid Dimethyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request. We support compliance with REACH and other relevant global regulatory frameworks.

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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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