Description

Cyclopropanecarbonyl Chloride, 3-(Cyclopropylidenemethyl)-2,2-Dimethyl-, trans- (9Ci) is a specialized organic intermediate featuring a reactive acid chloride group and a unique cyclopropane-based structure. This compound is valued for its role in introducing the sterically defined cyclopropane moiety into more complex molecular architectures, enabling the synthesis of novel compounds with tailored properties. It is primarily sought by research and development chemists in the pharmaceutical and agrochemical industries for the construction of active ingredients and advanced materials.

Application

This high-value intermediate is utilized in sophisticated synthetic pathways across several advanced industries.

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs targeting new therapeutic agents.
• Agrochemical Synthesis: Used in the research and development of new generation pesticides and herbicides, where the cyclopropane ring can confer specific biological activity and stability.
• Material Science Research: Serves as a precursor for creating specialized polymers or organic frameworks with unique mechanical or chemical properties.
• Chemical Research & Development: Employed in academic and industrial R&D labs for methodology development and the exploration of new chemical spaces in organic synthesis.
• Ligand and Catalyst Preparation: Can be used to synthesize complex ligands or organocatalysts for asymmetric synthesis and other catalytic applications.

Basic Information

Product Name	Cyclopropanecarbonyl Chloride, 3-(Cyclopropylidenemethyl)-2,2-Dimethyl-, trans- (9Ci)
CAS No.	62630-87-9
Molecular Formula	C10H13ClO
Molecular Weight	184.66 g/mol
Synonyms	trans-3-(Cyclopropylidenemethyl)-2,2-dimethylcyclopropanecarbonyl chloride; (1R,3S)-3-[(E)-Cyclopropylidenemethyl]-2,2-dimethylcyclopropane-1-carbonyl chloride; 2,2-Dimethyl-3-[(1E)-2-cyclopropylideneethenyl]cyclopropanecarboxylic acid chloride; Cyclopropanecarboxylic acid, 3-(cyclopropylidenemethyl)-2,2-dimethyl-, (1R,3S)-rel-, chloride
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity, critical for sensitive synthetic applications. Quality is verified through analytical techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature and reactivity as a strong acid/organic solvent, store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, open flames, and incompatible materials such as bases, alcohols, and amines.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (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.