Description

Cyclopropanecarbonyl Chloride, 3-(2-Chloro-1-Propenyl)-2,2-Dimethyl-, [1R-[1Alpha,3Alpha(E)]]- (9Ci) is a high-purity, stereochemically defined organic intermediate featuring a reactive acid chloride group and a chlorinated propenyl side chain. This compound is critical for the synthesis of complex molecules where precise stereochemistry and functional group compatibility are paramount. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical sectors for constructing advanced active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of novel therapeutic agents.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its unique cyclopropane and chlorinated alkene structure contributes to biological activity.
• Chemical Research & Development: Serves as a versatile reagent in organic synthesis for constructing complex molecular architectures in academic and industrial R&D laboratories.
• Material Science Precursor: Potential use in the synthesis of specialized polymers or functional materials requiring specific steric and electronic properties.
• Process Chemistry: Employed in scale-up and optimization studies for the commercial manufacturing of fine chemicals.

Basic Information

Product Name	Cyclopropanecarbonyl Chloride, 3-(2-Chloro-1-Propenyl)-2,2-Dimethyl-, [1R-[1Alpha,3Alpha(E)]]- (9Ci)
CAS No.	97372-54-8
Molecular Formula	C9H12Cl2O
Molecular Weight	207.10 g/mol
Synonyms	(1R,3E)-3-(2-Chloroprop-1-en-1-yl)-2,2-dimethylcyclopropane-1-carbonyl chloride; (1R,3E)-3-(2-Chloro-1-propenyl)-2,2-dimethylcyclopropanecarbonyl chloride; 2,2-Dimethyl-3-(2-chloro-1-propenyl)cyclopropanecarboxylic acid chloride, (1R,3E)-; (1R-trans)-3-(2-Chloro-1-propenyl)-2,2-dimethylcyclopropanecarbonyl chloride; Chrysanthemic acid chloride derivative; Pyrethroid intermediate
EINECS	Contact for details

Quality Control

Our Cyclopropanecarbonyl Chloride, 3-(2-Chloro-1-Propenyl)-2,2-Dimethyl-, [1R-[1Alpha,3Alpha(E)]]- (9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques to confirm identity, isomeric purity, and impurity profiles. Certificates of Analysis (COA) detailing all relevant specifications are provided with every shipment to support your quality assurance and regulatory compliance 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 material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Isomeric Purity (Chiral HPLC)	≥ 98.0% [1R,3Alpha(E)]
Water Content (KF)	≤ 0.5%

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