Description

1S-trans-Permethrinic Acid CAS NO 55701-09-2 is a key chiral intermediate and acid metabolite in the synthesis of pyrethroid insecticides. This compound is critical for ensuring the precise stereochemistry and high biological activity of the final insecticidal products. It is primarily required by manufacturers in the agrochemical industry for the production of advanced synthetic pyrethroids, as well as by research institutions studying pesticide metabolism and environmental fate.

Application

• Agrochemical Intermediate: A crucial chiral building block for the synthesis of high-performance pyrethroid insecticides like permethrin and cypermethrin.
• Metabolite Standard: Used as an analytical reference standard in environmental and toxicological studies to monitor pesticide degradation and metabolite formation.
• Chemical Research: Serves as a valuable starting material in organic synthesis for developing novel compounds with insecticidal activity.
• Quality Control: Employed by agrochemical manufacturers for in-process testing and final product assay to ensure stereochemical purity.

Basic Information

Product Name	1S-trans-Permethrinic Acid
CAS No.	55701-09-2
Molecular Formula	C8H10Cl2O3
Molecular Weight	225.07 g/mol
Synonyms	(1S,3S)-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic Acid; (1S)-trans-3-(2,2-Dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic Acid; (1S,3S)-Permethrinic Acid; (+)-trans-Permethrinic Acid; 1S-trans-Chrysanthemic Acid Dichloro Derivative; Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, (1S,3S)-; trans-(+)-Permethrinic Acid
EINECS	Contact for details

Quality Control

Our 1S-trans-Permethrinic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral HPLC and NMR, to confirm identity, stereochemical purity, and potency. We provide detailed Certificates of Analysis (COA) with each shipment, ensuring traceability and compliance with customer specifications and relevant industry guidelines.

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). Keep away from strong acids and organic solvents. The container should be kept tightly sealed to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% (1S,3S isomer)
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.