Description

2-Cyclopentene-1-Carboxylic Acid, 4,4-Dimethyl- (9Ci) is a specialized, high-value organic acid derivative featuring a functionalized cyclopentene ring structure. This compound serves as a critical advanced intermediate for synthesizing complex molecules in pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists working on novel active ingredients, fine chemicals, and material science applications where its unique sterically hindered carboxylic acid group enables precise molecular construction.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in developing anti-inflammatory and central nervous system (CNS) active compounds.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its reactive site for creating complex heterocyclic systems.
• Fine Chemical Production: Serves as a precursor for specialty chemicals, including flavors, fragrances, and performance materials requiring specific cyclic architectures.
• Academic & Industrial Research: A valuable reagent in organic chemistry laboratories for methodology development, catalysis studies, and exploring new reaction pathways.
• Material Science: Potential monomer or cross-linking agent in the development of specialized polymers with tailored thermal or mechanical properties.

Basic Information

Product Name	2-Cyclopentene-1-Carboxylic Acid, 4,4-Dimethyl- (9Ci)
CAS No.	81888-03-1
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	4,4-Dimethyl-2-cyclopentene-1-carboxylic acid; 4,4-Dimethylcyclopent-2-ene-1-carboxylic Acid; 2-Cyclopentene-1-carboxylic acid, 4,4-dimethyl-; 4,4-Dimethyl-1,2,3,4-tetrahydrobenzoic acid (related); 4,4-Dimethyl-δ²-cyclopentene-1-carboxylic acid
EINECS	Contact for details

Quality Control

Every batch of 2-Cyclopentene-1-Carboxylic Acid, 4,4-Dimethyl- (9Ci) is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure identity, purity, and consistency for your critical research and development processes. Certificates of Analysis (COA) detailing purity by HPLC, identity confirmation, and impurity profiles are available for all shipments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its nature as a strong acid/organic solvent, keep away from heat, sparks, open flames, and incompatible materials such as strong bases and oxidizing agents. Keep the container tightly sealed when not in use to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.