Description

1-Cyclopentene-1-Carboxylicacid,1-Methylethylester(9Ci) is a specialized organic ester building block with a unique cyclic alkene structure. This compound is valued for its dual functionality, serving as 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 synthon for the development of novel active pharmaceutical ingredients (APIs), particularly those containing cyclopentene or cyclopentane rings.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where its structure can contribute to specific biological activity.
• Fine Chemical Manufacturing: Serves as a precursor for flavors, fragrances, and other high-value specialty chemicals requiring specific stereochemistry.
• Academic & Industrial R&D: Employed in methodological studies, such as Diels-Alder reactions, ring-opening polymerizations, and other catalytic transformations.
• Material Science: Potential monomer or cross-linking agent in the development of specialty polymers with tailored properties.

Basic Information

Product Name	1-Cyclopentene-1-Carboxylicacid,1-Methylethylester(9Ci)
CAS No.	472965-05-2
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	1-Cyclopentene-1-carboxylic acid, 1-methylethyl ester; Isopropyl 1-cyclopentene-1-carboxylate; 1-Cyclopentene-1-carboxylic acid isopropyl ester; 1-Isopropoxycarbonyl-1-cyclopentene; (1-Cyclopenten-1-yl)carboxylic acid isopropyl ester
EINECS	Contact for details

Quality Control

Our production of 1-Cyclopentene-1-Carboxylicacid,1-Methylethylester(9Ci) adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. All materials are characterized using advanced analytical techniques including GC, HPLC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory 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 flames. For long-term storage, consider maintaining under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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