Description

1,1-Cycloheptanedicarboxylic Acid Diethyl Ester is a high-purity diester compound, valued as a versatile chemical intermediate in advanced organic synthesis. Its unique seven-membered ring structure with geminal ester groups makes it a valuable building block for constructing complex molecular architectures. This product is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those requiring functionalized cycloheptane rings.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where its structure can be leveraged for bioactivity.
• Organic Synthesis Building Block: Acts as a versatile starting material for ring-expansion reactions, Dieckmann condensations, and the preparation of complex esters and ketones.
• Material Science Research: Employed in the development of specialty polymers, ligands for catalysis, and other advanced functional materials.
• Flavor & Fragrance Industry: Potential intermediate for the synthesis of macrocyclic musk compounds and other specialty aroma chemicals.

Basic Information

Product Name	1,1-Cycloheptanedicarboxylic Acid Diethyl Ester
CAS No.	6557-83-1
Molecular Formula	C₁₃H₂₂O₄
Molecular Weight	242.31 g/mol
Synonyms	Diethyl 1,1-cycloheptanedicarboxylate; Diethyl cycloheptane-1,1-dicarboxylate; 1,1-Cycloheptanedicarboxylic acid diethyl ester; Ethyl 1,1-cycloheptanedicarboxylate; Cycloheptane-1,1-dicarboxylic acid diethyl ester; 6557-83-1; Diethyl gem-cycloheptanedicarboxylate
EINECS	229-483-9

Quality Control

Our 1,1-Cycloheptanedicarboxylic Acid Diethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and reliability for your critical processes.

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). 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
Assay (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.