Description

Cyclopropanecarbonyl Chloride, 2-Methyl-2-(1-Propenyl)- (9Ci) is a specialized organic intermediate featuring a reactive acid chloride group attached to a substituted cyclopropane ring. This compound is valued for its unique steric and electronic properties, making it a critical building block for synthesizing complex molecules in advanced research and development. It is primarily sought by pharmaceutical, agrochemical, and advanced material chemists for constructing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in the development of compounds with cyclopropane-based pharmacophores.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the cyclopropane moiety can enhance biological activity and stability.
• Material Science Research: Serves as a precursor for creating specialized polymers, ligands, or surface modifiers with tailored properties.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for introducing the 2-methyl-2-(1-propenyl)cyclopropanecarbonyl group into target molecules via acylation reactions.
• Fine Chemical Production: Intermediate in the multi-step synthesis of complex flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Item	Details
Product Name	Cyclopropanecarbonyl Chloride, 2-Methyl-2-(1-Propenyl)- (9Ci)
CAS No.	244203-16-5
Molecular Formula	C8H11ClO
Molecular Weight	158.62 g/mol
Synonyms	2-Methyl-2-(1-propenyl)cyclopropanecarbonyl chloride; 2-Methyl-2-(prop-1-en-1-yl)cyclopropane-1-carbonyl chloride; (2-Methyl-2-(prop-1-en-1-yl)cyclopropyl)carbonyl chloride; 1-Cyclopropanecarbonyl chloride, 2-methyl-2-(1-propenyl)-; 2-Methyl-2-(1-propenyl)cyclopropanecarboxylic acid chloride
EINECS	Contact for details

Quality Control

Every batch of Cyclopropanecarbonyl Chloride, 2-Methyl-2-(1-Propenyl)- (9Ci) is produced and tested under strict quality management protocols to ensure consistency and reliability for your synthetic processes. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality systems are designed to meet the stringent requirements of cGMP and ISO standards for advanced chemical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a 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 heat, open flames, and incompatible materials such as strong bases, alcohols, and amines.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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