Description

(R) Cyano(3-Phenoxyphenyl)-3-(2,2-Dichloroethenyl)2,2-Dimethyl Cyclopropanecarboxylic Acid Methyl Ester is a high-purity, optically active synthetic intermediate of significant commercial importance. This compound is valued for its role as a key chiral building block in the synthesis of advanced agrochemicals and pharmaceuticals. It is primarily sought by R&D chemists and process development teams in the agrochemical and fine chemical industries for creating novel active ingredients and specialty products.

Application

• Agrochemical Intermediate: A critical chiral precursor for the synthesis of pyrethroid and other advanced insecticide active ingredients.
• Pharmaceutical Synthesis: Serves as a specialized building block for developing chiral drug candidates and active pharmaceutical ingredients (APIs).
• Fine Chemical Production: Used in custom synthesis and contract manufacturing for high-value, complex organic molecules.
• Research & Development: Essential for academic and industrial research in organic chemistry, asymmetric synthesis, and pesticide development.
• Process Chemistry: Employed in scale-up and optimization studies for manufacturing routes of crop protection agents.

Basic Information

Product Name	(R) Cyano(3-Phenoxyphenyl)-3-(2,2-Dichloroethenyl)2,2-Dimethyl Cyclopropanecarboxylic Acid Methyl Ester
CAS No.	72204-44-5
Molecular Formula	C22H19Cl2NO3
Molecular Weight	416.30 g/mol
Synonyms	(R)-Cyano(3-phenoxyphenyl)methyl (1R,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate; (R)-Deltamethrin Acid Methyl Ester; (1R,3R)-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic Acid (R)-Cyano(3-phenoxyphenyl)methyl Ester; (R)-Cyano(3-phenoxyphenyl)methyl (1R)-trans-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate; (R)-Alphacypermethrin Acid Methyl Ester; Chiral Cypermethrin Intermediate; (R)-CN-Phenoxybenzyl Chrysanthemate Derivative
EINECS	Contact for details

Quality Control

Our (R) Cyano(3-Phenoxyphenyl)-3-(2,2-Dichloroethenyl)2,2-Dimethyl Cyclopropanecarboxylic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity (enantiomeric excess) and chemical purity assays, to ensure it meets the exacting standards required for advanced synthetic applications. Certificates of Analysis (COA) detailing specific results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and organic solvents. The container must be kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Chiral Purity (Enantiomeric Excess)	≥ 99.0% ee
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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