Description

1,1-Cyclopentanedicarboxylic Acid 1-Ethyl Ester is a high-purity, versatile diester compound serving as a critical building block in advanced organic synthesis. Its unique cyclopentane-based structure makes it a valuable precursor for the development of complex molecules, particularly in the pharmaceutical and fine chemical sectors. This compound is essential for researchers and manufacturers requiring a reliable, high-quality intermediate for creating active pharmaceutical ingredients (APIs), agrochemicals, and specialty polymers.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), particularly those requiring a functionalized cyclopentane core.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where its dicarboxylate structure provides specific biological activity.
• Fine Chemical Production: Serves as a versatile building block for creating specialty chemicals, flavors, fragrances, and advanced material precursors.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the development of specialty polymers, resins, and coatings with tailored properties.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing complex organic frameworks and exploring new synthetic methodologies.

Basic Information

Product Name	1,1-Cyclopentanedicarboxylic Acid 1-Ethyl Ester
CAS No.	54378-87-9
Molecular Formula	C10H16O4
Molecular Weight	200.23 g/mol
Synonyms	1-Ethyl 1,1-cyclopentanedicarboxylate; Ethyl 1-Carboxycyclopentane-1-carboxylate; 1-Carbethoxycyclopentane-1-carboxylic Acid; 1-Ethoxycarbonylcyclopentane-1-carboxylic Acid; Cyclopentane-1,1-dicarboxylic Acid Monoethyl Ester; 1,1-Cyclopentanedicarboxylic Acid Monoethyl Ester; 54378-87-9; Monoethyl 1,1-cyclopentanedicarboxylate
EINECS	Contact for details

Quality Control

Our 1,1-Cyclopentanedicarboxylic Acid 1-Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency suitable for demanding synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

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 heat, sparks, and open flame. The container should be kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
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

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