Description

3-Cyclopentene-1-Carboxylic Acid, 3,4-Dimethyl-, Methyl Ester (9Ci) is a specialized organic ester compound with a unique cyclopentene backbone, serving as a valuable intermediate in advanced organic synthesis. This chemical is prized for its role in constructing complex molecular architectures, particularly in pharmaceutical and agrochemical research where specific stereochemistry and functional groups are critical. It is primarily sought after by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and material science industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing complex cyclic structures.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and fungicides, leveraging its functionalized cyclopentene ring.
• Material Science Research: Acts as a monomer or precursor in the development of specialty polymers, resins, and advanced organic materials with tailored properties.
• Organic Synthesis & Catalysis: Employed as a sophisticated substrate in methodological studies, asymmetric catalysis, and the development of new synthetic routes.
• Flavor & Fragrance Industry: Potential use as an intermediate for creating unique musk or woody odorant molecules due to its ester and cyclic structure.

Basic Information

Product Name	3-Cyclopentene-1-Carboxylic Acid, 3,4-Dimethyl-, Methyl Ester (9Ci)
CAS No.	62185-64-2
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	Methyl 3,4-Dimethyl-3-cyclopentene-1-carboxylate; 3-Cyclopentene-1-carboxylic acid, 3,4-dimethyl-, methyl ester; 3,4-Dimethyl-3-cyclopentene-1-carboxylic acid methyl ester; Methyl 3,4-dimethylcyclopent-3-ene-1-carboxylate; 3,4-Dimethyl-1-cyclopentenecarboxylic acid methyl ester; 3,4-Dimethyl-3-cyclopentenecarboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our production of 3-Cyclopentene-1-Carboxylic Acid, 3,4-Dimethyl-, Methyl Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity for research and development applications. Each lot is characterized using advanced analytical techniques including GC, HPLC, and NMR to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider holding under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0% (Area %)
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.