Description

Cyclopropanecarbonyl Chloride, 3-(Cyclopentylidenemethyl)-2,2-Dimethyl-, (1R-Cis)- (9Ci) is a high-purity, stereochemically defined organic intermediate of significant value in advanced synthetic chemistry. Its complex, functionalized structure makes it a critical building block for the synthesis of novel, biologically active molecules. This compound is primarily sought by research and development teams in the pharmaceutical and agrochemical industries for creating new active ingredients and exploring structure-activity relationships.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of new drug candidates, particularly for central nervous system (CNS) and metabolic disease targets.
• Agrochemical Synthesis: Used in the creation of advanced, stereospecific pesticides and herbicides where the specific spatial orientation of the molecule is crucial for biological activity.
• Chemical Research & Development: Serves as a versatile scaffold in medicinal chemistry for probing pharmacophores and developing novel chemical libraries for high-throughput screening.
• Process Chemistry: Employed in the scale-up and optimization of synthetic routes for complex organic molecules requiring the cyclopropanecarbonyl chloride moiety.
• Material Science Precursor: Investigated for the synthesis of specialized monomers or ligands used in advanced polymeric materials or catalytic systems.

Basic Information

Product Name	Cyclopropanecarbonyl Chloride, 3-(Cyclopentylidenemethyl)-2,2-Dimethyl-, (1R-Cis)- (9Ci)
CAS No.	77789-43-6
Molecular Formula	C12H17ClO
Molecular Weight	212.72 g/mol
Synonyms	(1R,3S)-3-[(Cyclopentylidene)methyl]-2,2-dimethylcyclopropanecarbonyl chloride; (1R-cis)-3-(Cyclopentylidenemethyl)-2,2-dimethylcyclopropanecarboxylic acid chloride; Rel-(1R,3S)-3-[(Cyclopentylidene)methyl]-2,2-dimethylcyclopropanecarbonyl chloride; (1R,3S)-3-(Cyclopentylidenemethyl)-2,2-dimethylcyclopropanecarbonyl chloride; 3-(Cyclopentylidenemethyl)-2,2-dimethylcyclopropanecarbonyl chloride, (1R-cis)-
EINECS	Contact for details

Quality Control

Every batch of our Cyclopropanecarbonyl Chloride, 3-(Cyclopentylidenemethyl)-2,2-Dimethyl-, (1R-Cis)- (9Ci) undergoes rigorous analytical testing to ensure identity, purity, and stereochemical integrity. We employ advanced techniques including chiral HPLC, NMR, and GC-MS to verify specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%

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