Description

Benzeneacetic Acid, 4-Chloro-A-(1-Methylethyl)-, Cyano(4-Phenoxyphenyl)Methyl Ester, (R*,S*)- is a specialized chiral organic ester compound with a complex molecular structure, identified by CAS NO 79980-91-9. This high-value intermediate is critical for synthesizing advanced molecules where specific stereochemistry and functional group integration are required. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for the creation of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral building block in the research and synthesis of potential new drug candidates, particularly in areas requiring specific enantiomeric control.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, or plant growth regulators where its unique phenoxy and cyano groups contribute to biological activity.
• Fine Chemical Production: Serves as a precursor in the manufacture of complex specialty chemicals for various high-tech applications.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D laboratories for methodological studies and constructing complex molecular architectures.
• Ligand and Catalyst Development: Potential use in the design of chiral ligands or organocatalysts for asymmetric synthesis.

Basic Information

Product Name	Benzeneacetic Acid, 4-Chloro-A-(1-Methylethyl)-, Cyano(4-Phenoxyphenyl)Methyl Ester, (R*,S*)-
CAS No.	79980-91-9
Molecular Formula	C25H22ClNO3
Molecular Weight	419.90 g/mol
Synonyms	4-Chloro-α-(1-methylethyl)benzeneacetic acid cyano(4-phenoxyphenyl)methyl ester; Cyano(4-phenoxyphenyl)methyl 4-chloro-α-(1-methylethyl)benzeneacetate; (R*,S*)-Cyano(4-phenoxyphenyl)methyl 2-(4-chlorophenyl)-3-methylbutyrate; α-Isopropyl-4-chlorophenylacetic acid cyano(4-phenoxyphenyl)methyl ester; Fenvalerate metabolite analog (structural); Chiral pyrethroid acid ester derivative; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our production of this advanced chemical intermediate adheres to strict quality management protocols. Every batch is characterized and tested to ensure identity, purity, and consistency, supporting reliable outcomes in your synthetic processes. A comprehensive Certificate of Analysis (COA) detailing specifications such as chiral purity, chemical purity (by HPLC), and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). The compound may be moisture-sensitive; keep the container tightly sealed under an inert atmosphere if specified. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity	Specified ratio (R*,S*), contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 2.0%

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