Description

Mesosulfuron-Methyl is a highly effective sulfonylurea herbicide belonging to the acetolactate synthase (ALS) inhibitor class. It is valued for its potent post-emergence control of a broad spectrum of grass and broadleaf weeds in cereal crops. This compound is a critical active ingredient for agricultural formulators and producers targeting modern, high-yield farming systems. Its selective action makes it a cornerstone for weed management programs in wheat and barley cultivation globally.

Application

• Primary use as a selective, post-emergence herbicide in winter wheat and spring wheat.
• Formulation into various commercial herbicide products for broadleaf and grass weed control.
• Key component in integrated weed management (IWM) strategies to combat herbicide resistance.
• Control of problematic weeds such as black-grass, wild oats, ryegrass, and common chickweed.
• Use in agricultural research and development for new crop protection solutions.
• Manufacture of combination products with other herbicide active ingredients for enhanced spectrum.

Basic Information

Product Name	Mesosulfuron-Methyl
CAS No.	208465-21-8
Molecular Formula	C17H21N5O9S2
Molecular Weight	503.51 g/mol
Synonyms	Methyl 2-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-4-[[(methylsulfonyl)amino]methyl]benzoate; Mesosulfuron; Mesosulfuron methyl; AE F130060; AE F115008; Atlantis; Osprey
EINECS	Contact for details

Quality Control

Our Mesosulfuron-Methyl is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including HPLC for assay and impurity profiling, to meet technical-grade specifications. A comprehensive Certificate of Analysis (COA) detailing purity, related substances, and physical parameters is provided with each shipment to guarantee compliance with your formulation requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container must be kept tightly closed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Related Substances (HPLC)	≤ 2.0% total
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.