Description

1,3,5-Trimethyl-1H-Pyrazole-4-Sulfonyl Chloride is a versatile and highly reactive sulfonyl chloride derivative, primarily used as a key synthetic intermediate. Its core value lies in its ability to act as a sulfonylation reagent, 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 create novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides that incorporate sulfonyl functional groups.
• Organic Synthesis Reagent: Serves as a versatile sulfonylation agent in academic and industrial laboratories for creating sulfonamides, sulfonate esters, and other derivatives.
• Material Science Research: Employed in the development of specialty polymers, dyes, and functional materials that require sulfonyl chloride chemistry.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes and inhibitors for studying enzyme function and biological pathways.

Basic Information

Product Name	1,3,5-Trimethyl-1H-Pyrazole-4-Sulfonyl Chloride
CAS No.	59340-27-1
Molecular Formula	C6H9ClN2O2S
Molecular Weight	208.67 g/mol
Synonyms	4-(Chlorosulfonyl)-1,3,5-trimethyl-1H-pyrazole; 1,3,5-Trimethyl-4-pyrazolesulfonyl chloride; 1,3,5-Trimethylpyrazole-4-sulfonyl chloride; 1H-Pyrazole-4-sulfonyl chloride, 1,3,5-trimethyl-; 4-Pyrazolesulfonyl chloride, 1,3,5-trimethyl-; TMPS-Cl; Trimethylpyrazolesulfonyl chloride
EINECS	Contact for details

Quality Control

Our 1,3,5-Trimethyl-1H-Pyrazole-4-Sulfonyl Chloride is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available for every shipment to support your quality assurance and regulatory needs.

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). This compound is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) in its original packaging to prevent decomposition. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases, alcohols, and amines.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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