Description

3-Cyclopentene-1-Carboxylic Acid, 3-Methyl-, Ethyl Ester (8Ci,9Ci) CAS NO 15215-84-6 is a specialized, high-purity organic ester building block featuring a cyclopentene ring system. This compound is valued for its unique structural motif, which makes it a versatile intermediate in advanced organic synthesis and pharmaceutical research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting central nervous system (CNS) and anti-inflammatory pathways.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides and fungicides, leveraging its functionalized cyclopentene core.
• Fine Chemical Production: Serves as a crucial building block for fragrances, flavors, and other specialty chemicals requiring specific stereochemistry.
• Material Science Research: Investigated as a monomer or precursor for developing novel polymers with tailored thermal and mechanical properties.
• Academic & Industrial R&D: Employed in methodological studies, catalysis research, and the development of new synthetic routes in organic chemistry.

Basic Information

Product Name	3-Cyclopentene-1-Carboxylic Acid, 3-Methyl-, Ethyl Ester (8Ci,9Ci)
CAS No.	15215-84-6
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	Ethyl 3-Methyl-3-cyclopentene-1-carboxylate; 3-Methyl-3-cyclopentene-1-carboxylic Acid Ethyl Ester; 3-Methylcyclopent-3-ene-1-carboxylic acid ethyl ester; 1-Cyclopentene-1-carboxylic acid, 3-methyl-, ethyl ester; Ethyl 3-methyl-1-cyclopentenecarboxylate
EINECS	Contact for details

Quality Control

Our production of 3-Cyclopentene-1-Carboxylic Acid, 3-Methyl-, Ethyl Ester adheres to stringent in-process controls and final release testing to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques including GC, HPLC, and NMR for comprehensive characterization. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment and are available upon request.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.4580 - 1.4620
Density (20°C)	0.98 - 1.02 g/mL

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