Description

1-Cyclopentene-1-Carboxylicacid,5,5-Dimethyl-,Methylester(9Ci) is a specialized organic ester building block characterized by its cyclopentene ring and gem-dimethyl substitution, offering unique steric and electronic properties for advanced synthesis. This compound is valued for its role as a key chiral intermediate in the development of complex pharmaceutical molecules and high-performance materials. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds targeting central nervous system (CNS) disorders and anti-inflammatory agents.
• Agrochemical Synthesis: Used in the research and development of novel herbicides and fungicides, leveraging its structural complexity to impart specific biological activity.
• Ligand and Catalyst Development: Acts as a scaffold for creating novel chiral ligands and organocatalysts used in asymmetric synthesis.
• Material Science Research: Employed in the development of specialty polymers and advanced organic electronic materials due to its rigid, functionalized core structure.
• Flavor & Fragrance Chemistry: Utilized as an intermediate for synthesizing complex, high-value aroma chemicals with unique olfactory profiles.
• Academic & Industrial R&D: A valuable tool for methodological studies in organic synthesis, including ring-opening and functionalization reactions.

Basic Information

Product Name	1-Cyclopentene-1-Carboxylicacid,5,5-Dimethyl-,Methylester(9Ci)
CAS No.	153580-04-2
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	5,5-Dimethyl-1-cyclopentene-1-carboxylic acid methyl ester; Methyl 5,5-dimethyl-1-cyclopentene-1-carboxylate; 1-Cyclopentene-1-carboxylic acid, 5,5-dimethyl-, methyl ester; 153580-04-2; 5,5-Dimethylcyclopent-1-ene-1-carboxylic acid methyl ester; Methyl 5,5-dimethylcyclopent-1-ene-1-carboxylate
EINECS	Contact for details

Quality Control

Our production of 1-Cyclopentene-1-Carboxylicacid,5,5-Dimethyl-,Methylester(9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and scale-up applications. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing purity, identity, and impurity profiles as confirmed by advanced analytical techniques.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed in a dry environment to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
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.