Description

3-Chloro-5-[(4,6-Dimethoxypyrimidin-2-Yl)Carbamoylsulfamoyl]-1-Methyl- Pyrazole-4-Carboxylic Acid is a high-purity advanced intermediate of significant importance in modern agrochemical synthesis. This compound matters for its role as a critical building block in the production of sophisticated sulfonylurea herbicides, enabling precise weed control. Industrial manufacturers and R&D facilities in the agrochemical sector need this material for developing and scaling next-generation crop protection solutions.

Application

• Primary Intermediate for the synthesis of modern sulfonylurea herbicide active ingredients.
• Agrochemical Research & Development for creating novel crop protection molecules with specific modes of action.
• Process Chemistry and scale-up studies in fine chemical manufacturing plants.
• Reference Standard for analytical method development and quality control in herbicide production.
• Custom Synthesis projects for clients requiring tailored herbicide intermediates.

Basic Information

Product Name	3-Chloro-5-[(4,6-Dimethoxypyrimidin-2-Yl)Carbamoylsulfamoyl]-1-Methyl- Pyrazole-4-Carboxylic Acid
CAS No.	135397-30-7
Molecular Formula	C12H12ClN5O7S
Molecular Weight	405.77 g/mol
Synonyms	Pyrasulfotole Acid; Pyrasulfotole Intermediate; 1-Methyl-3-chloro-5-[(4,6-dimethoxypyrimidin-2-yl)carbamoylsulfamoyl]pyrazole-4-carboxylic acid; 3-Chloro-1-methyl-5-[(4,6-dimethoxypyrimidin-2-yl)carbamoylsulfamoyl]-1H-pyrazole-4-carboxylic acid; CAS 135397-30-7; Herbicide Intermediate 135397-30-7; Sulfonylurea Pyrazole Intermediate
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems to ensure batch-to-batch consistency and high chemical purity. Every lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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