Description

1,1-Cyclopentanediacetic Acid Dimethyl Ester is a high-purity diester compound, CAS NO 70197-60-3, serving as a critical building block and versatile intermediate in advanced organic synthesis. Its value lies in its unique cyclopentane-based structure, which provides a rigid framework for constructing complex molecules in pharmaceutical and specialty chemical research. This product is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring a conformationally constrained cyclopentane core.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Serves as a versatile building block for creating complex esters, acids, and other derivatives used in perfumery, flavors, and specialty polymers.
• Material Science Research: Employed in the development of novel monomers for specialty polymers, resins, and liquid crystals.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry, including ring-forming reactions and stereoselective transformations.

Basic Information

Product Name	1,1-Cyclopentanediacetic Acid Dimethyl Ester
CAS No.	70197-60-3
Molecular Formula	C11H18O4
Molecular Weight	214.26 g/mol
Synonyms	Dimethyl 1,1-cyclopentanediacetate; Dimethyl Cyclopentane-1,1-diacetate; 1,1-Cyclopentanediacetic Acid Dimethyl Ester; Cyclopentane-1,1-diacetic Acid Dimethyl Ester; Dimethyl (1,1-cyclopentanediy)ldiacetate; 70197-60-3; NSC 163045
EINECS	Contact for details

Quality Control

Every batch of 1,1-Cyclopentanediacetic Acid Dimethyl Ester is manufactured and tested under a strict quality management system to ensure consistency and reliability for your critical syntheses. Our products undergo rigorous quality testing, including chromatographic purity analysis and identity confirmation, to meet the high standards required for research and scale-up. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment and is available upon request.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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