Description

Cyclopropanecarbonyl Chloride, 3-Ethenyl-2,2-Dimethyl-, cis- (9Ci) is a specialized organic acid chloride derivative of a substituted cyclopropane. This compound serves as a high-value, reactive synthetic intermediate, enabling the efficient introduction of the unique cis-3-ethenyl-2,2-dimethylcyclopropanecarbonyl moiety into target molecules. It is primarily sought after by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients, where its constrained cyclopropane ring can impart significant biological activity and metabolic stability.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting central nervous system (CNS) disorders, anti-infectives, and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the cyclopropane structure can enhance potency and environmental profile.
• Chemical Research & Development: Employed in academic and industrial R&D labs for constructing complex organic molecules, studying reaction mechanisms, and developing new synthetic methodologies.
• Material Science Precursor: Potential use in the synthesis of specialized monomers or ligands for advanced polymeric materials or catalysts.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of client-specific target molecules on a commercial scale.

Basic Information

Product Name	Cyclopropanecarbonyl Chloride, 3-Ethenyl-2,2-Dimethyl-, cis- (9Ci)
CAS No.	83190-38-9
Molecular Formula	C9H13ClO
Molecular Weight	172.65 g/mol
Synonyms	cis-3-Ethenyl-2,2-dimethylcyclopropanecarbonyl chloride; (1S,3R)-3-Ethenyl-2,2-dimethylcyclopropanecarbonyl chloride (if stereochemistry is defined); 3-Vinyl-2,2-dimethylcyclopropanecarbonyl chloride, cis-; 2,2-Dimethyl-3-vinylcyclopropanecarboxylic acid chloride, cis-; Cyclopropanecarboxylic acid, 3-ethenyl-2,2-dimethyl-, chloride, cis-; 83190-38-9; (cis)-3-Ethenyl-2,2-dimethylcyclopropanecarbonyl chloride
EINECS	Contact for details

Quality Control

Every batch of Cyclopropanecarbonyl Chloride, 3-Ethenyl-2,2-Dimethyl-, cis- (9Ci) undergoes rigorous analytical testing to ensure identity, purity, and consistency. Our quality assurance protocols are designed to meet the stringent requirements of advanced chemical synthesis. A comprehensive Certificate of Analysis (COA) detailing purity (typically by GC or HPLC), identity confirmation (by IR and/or NMR), and other critical parameters is provided with each shipment to support your quality and regulatory documentation.

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 decomposition. Keep away from strong bases, oxidizers, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Typical 97-99%)
Water Content (KF)	≤ 0.5%

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