Description

Cyclopentanecarboxylic Acid, 3-(1-Methylethenyl)-, cis- (9Ci) is a specialized chiral intermediate of significant interest in advanced organic synthesis. This compound matters for its unique sterically defined cyclopentane backbone and functional groups, which are crucial for constructing complex molecular architectures. It is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of novel drug candidates, particularly in therapeutic areas requiring complex, stereochemically defined molecules.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides, where its structure can contribute to specific biological activity.
• Fine Chemical Production: Serves as a precursor in the manufacture of specialty chemicals, flavors, and fragrances requiring specific stereochemistry.
• Academic & Industrial Research: A valuable reagent for methodological development in organic chemistry, including studies on cycloaddition reactions and asymmetric synthesis.
• Material Science Precursor: Potential use in the synthesis of specialized monomers for polymers with tailored properties.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 3-(1-Methylethenyl)-, cis- (9Ci)
CAS No.	185197-89-1
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	cis-3-Isopropenylcyclopentanecarboxylic Acid; (1R,3S)-3-Ethenylcyclopentane-1-carboxylic Acid (and other stereoisomers); 3-(1-Methylethenyl)cyclopentanecarboxylic acid, cis-; 3-Isopropenylcyclopentanecarboxylic Acid; Bicyclo[3.1.0]hexane-1-carboxylic acid derivative
EINECS	Contact for details

Quality Control

Our Cyclopentanecarboxylic Acid, 3-(1-Methylethenyl)-, cis- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chiral purity analysis, to ensure it meets the high standards required for research and process development. A comprehensive Certificate of Analysis (COA) detailing identity, purity (by HPLC/GC), and chiral excess is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR / NMR)	Conforms to structure
Purity (HPLC / GC)	≥ 95.0% (Typical 97-99%)
Chiral Purity (Chiral HPLC)	≥ 98.0% e.e. (Typical)
Water Content (KF)	≤ 0.5%

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