Description

[(S)-Cyano-(3-Phenoxyphenyl)Methyl] (1R,3R)-3-(2,2-Dibromoethenyl)-2,2-Dimethyl-Cyclopropane-1-Carboxylate is a high-purity, optically active synthetic pyrethroid intermediate of significant commercial importance. This compound is valued for its role as a key chiral building block in the synthesis of advanced, high-efficacy insecticidal agents. It is primarily required by manufacturers in the agrochemical and fine chemical industries for the production of next-generation crop protection products.

Application

• Agrochemical Intermediate: A critical chiral precursor for the synthesis of Type II pyrethroid insecticides, such as Deltamethrin and other high-performance analogs.
• Fine Chemical Synthesis: Used in research and development for creating novel active pharmaceutical ingredients (APIs) or other specialty chemicals requiring a specific stereochemical configuration.
• Chemical Research: Serves as a reference standard and a starting material in academic and industrial laboratories for studies in stereoselective synthesis and pesticide chemistry.
• Crop Protection Formulations: Incorporated into the manufacturing process of final formulated products designed for agricultural pest control.

Basic Information

Product Name	[(S)-Cyano-(3-Phenoxyphenyl)Methyl] (1R,3R)-3-(2,2-Dibromoethenyl)-2,2-Dimethyl-Cyclopropane-1-Carboxylate
CAS No.	62229-77-0
Molecular Formula	C22H19Br2NO3
Molecular Weight	505.20 g/mol
Synonyms	(S)-α-Cyano-3-phenoxybenzyl (1R,3R)-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylate; Deltamethrin Acid Chloride Alcohol Ester; (1R)-cis-Deltamethric Acid, (S)-α-Cyano-3-phenoxybenzyl Ester; Deltamethrin Intermediate; (S)-Cyano(3-phenoxyphenyl)methyl (1R,3R)-3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane-1-carboxylate
EINECS	Contact for details

Quality Control

Our production of this chiral intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high optical purity. Each lot is analyzed using advanced chromatographic techniques (HPLC, GC) to verify identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; it is recommended to store 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	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Optical Purity (Chiral HPLC)	≥ 99.0% ee
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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