Description

Methyl trans-3-Formyl-2,2-Dimethylcyclopropanecarboxylate CAS NO 41301-44-4 is a high-purity, functionalized cyclopropane derivative serving as a versatile chiral building block in advanced organic synthesis. Its unique structure, featuring both formyl and ester functional groups on a strained three-membered ring, makes it a critical intermediate for constructing complex molecules with high stereochemical control. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it is used to synthesize active ingredients, novel scaffolds, and fine chemicals.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of antiviral, anticancer, and central nervous system (CNS) drugs.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides, leveraging the biological activity of the cyclopropane moiety.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty chemicals requiring specific stereochemistry.
• Material Science Research: Employed in the development of novel polymers and functional materials with tailored properties.
• Academic & R&D Laboratories: A valuable reagent for methodological development in organic chemistry, including studies on cyclopropane ring transformations and asymmetric synthesis.

Basic Information

Product Name	Methyl trans-3-Formyl-2,2-Dimethylcyclopropanecarboxylate
CAS No.	41301-44-4
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	trans-3-Formyl-2,2-dimethylcyclopropanecarboxylic acid methyl ester; Methyl (1R,3S)-3-formyl-2,2-dimethylcyclopropanecarboxylate (enantiomer); Methyl (1S,3R)-3-formyl-2,2-dimethylcyclopropanecarboxylate (enantiomer); 2,2-Dimethyl-3-formylcyclopropanecarboxylic acid methyl ester; 3-Formyl-2,2-dimethylcyclopropanecarboxylic acid methyl ester; Chrysanthemum dicarboxylic acid derivative; Pyrethroid acid intermediate.
EINECS	Contact for details

Quality Control

Our Methyl trans-3-Formyl-2,2-Dimethylcyclopropanecarboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC, GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment ensures the material meets the high standards required for sensitive synthetic applications in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store the product under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Purity (GC)	≥ 97.5%
Trans/Cis Isomer Ratio	≥ 98:2
Water Content (KF)	≤ 0.5%

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