Description

Metolachlor Oa Pestanal is a high-purity analytical reference standard of the chiral herbicide metolachlor, specifically the Oa isomer. This compound is essential for precise environmental monitoring, residue analysis, and method development in analytical laboratories. It is primarily used by researchers, quality control specialists, and regulatory bodies in the agrochemical and environmental science sectors to ensure accurate calibration and validation of analytical instruments.

Application

• Analytical Reference Standard: Primary use for calibrating HPLC, GC-MS, and LC-MS systems in quantitative analysis.
• Environmental Fate Studies: Research into the degradation, metabolism, and persistence of metolachlor isomers in soil and water.
• Residue Analysis: Accurate quantification of metolachlor Oa residues in crops, food products, and water supplies for safety compliance.
• Method Development & Validation: Critical for developing, optimizing, and validating new analytical methods in compliance with ISO 17025 or GLP.
• Quality Control (QC) Testing: Used by manufacturers to verify the purity and isomer composition of technical-grade metolachlor products.
• Toxicological Research: Serves as a pure substance for studying the specific toxicological profile and ecotoxicology of the Oa isomer.

Basic Information

Product Name	Metolachlor Oa Pestanal
CAS No.	152019-73-3
Molecular Formula	C15H22ClNO2
Molecular Weight	283.80 g/mol
Synonyms	(2-Chloro-N-(2-ethyl-6-methylphenyl)-N-[(1S)-2-methoxy-1-methylethyl]acetamide); (S)-Metolachlor Oa; Metolachlor Oa Isomer; (S)-Metolachlor; 2-Chloro-N-(2-ethyl-6-methylphenyl)-N-[(1S)-2-methoxy-1-methylethyl]acetamide; (S)-2-Chloro-6'-ethyl-N-(2-methoxy-1-methylethyl)acet-o-toluidide; (S)-α-Chloro-2'-ethyl-6'-methyl-N-(1-methyl-2-methoxyethyl)acetanilide
EINECS	Contact for details

Quality Control

Our Metolachlor Oa Pestanal is manufactured and handled under strict quality systems to ensure the highest standard of purity and consistency required for analytical applications. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, isomer content, and identification data. We ensure compliance with the rigorous standards expected for analytical reference materials, supporting Good Laboratory Practice (GLP).

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). Keep the container sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Isomeric Purity (Oa)	≥ 95.0%
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.