Description

Cyclopentanecarboxylic Acid, 2,2-Diethoxy-, Methyl Ester (9Ci) is a specialized organic ester compound, identified by CAS number 450408-27-2, valued for its role as a versatile synthetic intermediate in advanced organic synthesis. Its unique structure, featuring a cyclopentane ring and protected carbonyl functionality, makes it a critical building block for constructing complex molecular architectures. This high-purity intermediate is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop novel active ingredients and functional materials.

Application

This compound serves as a key synthetic precursor in several high-value chemical sectors:

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates, particularly those containing complex carbocyclic or heterocyclic ring systems.
• Agrochemical Synthesis: Acts as a building block for developing new pesticides, herbicides, and plant growth regulators with enhanced efficacy.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, including flavors, fragrances, and advanced polymers.
• Academic & Industrial R&D: Serves as a critical reagent in methodological development and exploratory chemistry for creating new molecular entities.
• Material Science: Utilized in the synthesis of specialized monomers or additives for advanced polymeric materials.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 2,2-Diethoxy-, Methyl Ester (9Ci)
CAS No.	450408-27-2
Molecular Formula	C11H20O4
Molecular Weight	216.27 g/mol
Synonyms	Methyl 2,2-diethoxycyclopentanecarboxylate; 2,2-Diethoxycyclopentanecarboxylic acid methyl ester; Cyclopentanecarboxylic acid, 2,2-diethoxy-, methyl ester; Methyl (2,2-diethoxycyclopentyl)formate; 2,2-Diethoxy-1-cyclopentanecarboxylic Acid Methyl Ester; Cyclopentane-1-carboxylic acid, 2,2-diethoxy-, methyl ester
EINECS	Contact for details

Quality Control

Our Cyclopentanecarboxylic Acid, 2,2-Diethoxy-, Methyl Ester (9Ci) is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical quality attributes are provided with every shipment. We support cGMP and ISO standards for pharmaceutical and industrial intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed in a dry environment to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
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.