Description

1,2-Cyclopropanedicarbonyl Dichloride, 3-Methyl- (9Ci) is a highly reactive and versatile acid chloride derivative of a cyclopropane dicarboxylic acid. This compound serves as a critical building block in organic synthesis, enabling the efficient introduction of the constrained cyclopropane ring system into target molecules. It is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of drug candidates featuring cyclopropane motifs, which are valued for their conformational rigidity and metabolic stability.
• Agrochemical Synthesis: Used to construct advanced intermediates for herbicides, fungicides, and insecticides that incorporate the cyclopropane ring.
• Material Science Research: Employed in the development of novel polymers and specialty chemicals with unique structural properties.
• Organic Synthesis Reagent: Acts as a versatile reagent for acylation and esterification reactions under mild conditions in complex molecule assembly.
• Peptidomimetics Development: Useful for creating conformationally restricted peptide analogs in medicinal chemistry programs.

Basic Information

Product Name	1,2-Cyclopropanedicarbonyl Dichloride, 3-Methyl- (9Ci)
CAS No.	3238-09-3
Molecular Formula	C7H6Cl2O2
Molecular Weight	193.03 g/mol
Synonyms	3-Methylcyclopropane-1,2-dicarbonyl dichloride; 3-Methyl-1,2-cyclopropanedicarboxylic acid dichloride; 1,2-Cyclopropanedicarboxylic acid, 3-methyl-, dichloride; 3-Methylcyclopropane-1,2-dicarboxylic acid chloride; 3-Methyl-1,2-cyclopropanedicarbonyl chloride
EINECS	Contact for details

Quality Control

Our production of 1,2-Cyclopropanedicarbonyl Dichloride, 3-Methyl- (9Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for your synthetic processes. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and reacts with water; ensure containers are kept tightly sealed under an inert atmosphere if necessary. Keep away from strong bases, alcohols, and oxidizing agents.

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.