Description

(1R,3S)-3-(2,2-Dimethylethenyl)-2,2-Dimethylcyclopropanecarboxylic Acid (S)-Cyano(3-Phenoxyphenyl)Methyl Ester is a high-purity synthetic intermediate of significant commercial importance. This optically active cyclopropane derivative is a key building block in the synthesis of advanced active ingredients, particularly in the agrochemical sector. It is essential for manufacturers and R&D facilities developing next-generation crop protection solutions and other fine chemicals requiring precise stereochemistry.

Application

• Agrochemical Intermediate: Primary use as a critical chiral precursor in the synthesis of pyrethroid and pyrethroid-like insecticides.
• Fine Chemical Synthesis: Serves as a versatile building block for constructing complex molecules with cyclopropane rings in pharmaceutical and specialty chemical research.
• Active Pharmaceutical Ingredient (API) Development: Used in the research and development of novel therapeutic agents where the cyclopropane moiety is a key pharmacophore.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development and quality control in manufacturing processes.
• Asymmetric Catalysis Research: Employed as a substrate or ligand precursor in studies exploring new catalytic methodologies.

Basic Information

Item	Details
Product Name	(1R,3S)-3-(2,2-Dimethylethenyl)-2,2-Dimethylcyclopropanecarboxylic Acid (S)-Cyano(3-Phenoxyphenyl)Methyl Ester
CAS No.	64312-66-9
Molecular Formula	C22H25NO3
Molecular Weight	351.44 g/mol
Synonyms	Cyclopropanecarboxylic acid, 3-(2,2-dimethylethenyl)-2,2-dimethyl-, (1R,3S)-, cyano(3-phenoxyphenyl)methyl ester, (S)-; (S)-Cyano(3-phenoxyphenyl)methyl (1R,3S)-3-(2,2-dimethylethenyl)-2,2-dimethylcyclopropanecarboxylate; (1R-cis)-3-(2,2-Dimethylvinyl)-2,2-dimethylcyclopropanecarboxylic acid cyano(3-phenoxyphenyl)methyl ester; A key intermediate for pyrethroids.
EINECS	Contact for details

Quality Control

Every batch of our (1R,3S)-3-(2,2-Dimethylethenyl)-2,2-Dimethylcyclopropanecarboxylic Acid (S)-Cyano(3-Phenoxyphenyl)Methyl Ester is produced under a strict quality management system. We guarantee high chiral purity and chemical consistency through advanced analytical techniques including HPLC, GC, and chiral chromatography. A comprehensive Certificate of Analysis (COA) detailing identity, assay, enantiomeric excess, and impurity profiles is provided with each shipment to ensure it meets your specific R&D or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%

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