Description

Esfenvalerate Free Acid Metabolite is a key intermediate and degradation product of the synthetic pyrethroid insecticide esfenvalerate. This compound is of significant importance for analytical and environmental monitoring purposes, as it serves as a primary marker for esfenvalerate residue analysis and environmental fate studies. It is essential for agrochemical manufacturers, environmental testing laboratories, and regulatory bodies involved in food safety and ecological impact assessments.

Application

• Analytical Reference Standard: Primary use as a certified reference material (CRM) for the quantification of esfenvalerate and its metabolites in complex matrices.
• Environmental Monitoring: Detection and analysis of pesticide residues in soil, water, and sediment samples to assess environmental contamination and degradation pathways.
• Food Safety Testing: Critical component in multi-residue methods for ensuring compliance with Maximum Residue Limits (MRLs) in agricultural products.
• Metabolite Studies: Used in research to investigate the metabolic breakdown and biotransformation of esfenvalerate in plants and animals.
• Quality Control: Serves as an in-house standard for the quality assurance of esfenvalerate technical material and formulated products.
• Regulatory Compliance: Supports data generation for regulatory submissions to agencies like the EPA, EFSA, and others regarding pesticide registration and renewal.

Basic Information

Product Name	Esfenvalerate Free Acid Metabolite
CAS No.	55332-38-2
Molecular Formula	C18H16ClF3NO4
Molecular Weight	402.77 g/mol
Synonyms	(S)-α-Cyano-3-phenoxybenzyl (S)-2-(4-chlorophenyl)-3-methylbutyrate Free Acid; (S,S)-Esfenvalerate Acid; Fenvalerate Free Acid Metabolite; 2-(4-Chlorophenyl)-3-methylbutyric Acid, (S)-α-Cyano-3-phenoxybenzyl Ester Hydrolysis Product; DPX-YB656 Acid; S,S-Esfenvalerate carboxylic acid
EINECS	Contact for details

Quality Control

Our Esfenvalerate Free Acid Metabolite is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity assessment and structural confirmation, to ensure high consistency and reliability as a reference material. Certificates of Analysis (COA) detailing batch-specific results are provided and traceable to in-house primary standards.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry, well-ventilated area. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Water Content (KF)	≤ 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.