Description

2,4-Dimethyl-2H-Pyrazole-3-Sulfonyl Chloride CAS NO 1174834-52-6 is a high-value sulfonyl chloride derivative, a crucial building block in modern synthetic organic chemistry. Its primary value lies in its reactivity as a sulfonylation agent, enabling the efficient introduction of the sulfonyl functional group into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to synthesize novel active ingredients and advanced intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides that incorporate sulfonyl functional groups.
• Chemical Research & Development: Serves as a versatile reagent for constructing complex heterocyclic compounds and functional materials in academic and industrial R&D labs.
• Dye & Pigment Manufacturing: Employed in the synthesis of specialty dyes and pigments where sulfonyl groups enhance properties like solubility or lightfastness.
• Polymer Modification: Acts as a functionalization agent to introduce sulfonyl chloride groups into polymer chains for subsequent cross-linking or property modification.

Basic Information

Product Name	2,4-Dimethyl-2H-Pyrazole-3-Sulfonyl Chloride
CAS No.	1174834-52-6
Molecular Formula	C5H7ClN2O2S
Molecular Weight	194.64 g/mol
Synonyms	2,4-Dimethyl-1H-pyrazole-3-sulfonyl chloride; 2,4-Dimethyl-2H-pyrazole-3-sulfonyl chloride; 1H-Pyrazole-3-sulfonyl chloride, 2,4-dimethyl-; 3-Pyrazolesulfonyl chloride, 2,4-dimethyl-; 2,4-Dimethylpyrazole-3-sulfonyl chloride; 2,4-Dimethyl-3-pyrazolesulfonyl chloride
EINECS	Contact for details

Quality Control

Our 2,4-Dimethyl-2H-Pyrazole-3-Sulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for advanced synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee traceability and batch-to-batch reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.