Description

3-Cyclopentene-1-Acetic Acid, 3-(1-Methylethenyl)- (9Ci) is a specialized organic compound featuring a cyclopentene core functionalized with an acetic acid group and an isopropenyl substituent. This unique structure makes it a valuable versatile building block and key intermediate in advanced synthetic chemistry. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a crucial synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for compounds with constrained ring systems.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and herbicides, where its functionalized cyclopentene ring can contribute to specific biological activity.
• Fine Chemical Manufacturing: Acts as a building block for specialty chemicals, including fragrances, flavors, and advanced materials requiring specific stereochemistry.
• Academic & Industrial Research: Employed in methodological studies, catalysis research, and the synthesis of complex natural product analogs or novel organic frameworks.
• Material Science Precursor: Potential use in synthesizing monomers or functional additives for polymers and advanced materials with tailored properties.

Basic Information

Product Name	3-Cyclopentene-1-Acetic Acid, 3-(1-Methylethenyl)- (9Ci)
CAS No.	87371-57-1
Molecular Formula	C10H14O2
Molecular Weight	166.22 g/mol
Synonyms	3-Isopropenylcyclopent-3-ene-1-acetic Acid; 3-(1-Methylethenyl)-3-cyclopentene-1-acetic Acid; 3-Cyclopentene-1-acetic acid, 3-(1-methylethenyl)-; 3-Vinylidenecyclopentaneacetic Acid (related); (3-Isopropenylcyclopent-3-en-1-yl)acetic Acid; 3-(Prop-1-en-2-yl)cyclopent-3-ene-1-acetic Acid; Building Block 87371-57-1; Cyclopentene Acetic Acid Derivative
EINECS	Contact for details

Quality Control

Our production of 3-Cyclopentene-1-Acetic Acid, 3-(1-Methylethenyl)- adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance as a synthetic intermediate. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every 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 controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources. For long-term storage under inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Purity (GC)	≥ 90.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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