Description

3,5-Dimethyl-1-Propyl-1H-Pyrazole-4-Sulfonyl Chloride is a high-value sulfonyl chloride derivative, a key reactive intermediate in modern synthetic chemistry. Its primary value lies in its role as a versatile building block for constructing more complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and functional materials. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require a reliable and high-purity reagent for sulfonamide coupling reactions.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those containing sulfonamide pharmacophores for therapeutic areas like oncology, anti-infectives, and metabolic diseases.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides where the sulfonyl group contributes to biological activity and selectivity.
• Functional Material Development: Serves as a key reagent for introducing sulfonamide linkages into polymers, dyes, and liquid crystals to modify their physical and chemical properties.
• Chemical Biology & Proteomics: Employed as a reactive handle for labeling and modifying biomolecules, such as proteins and peptides, in research applications.
• Custom Synthesis & Contract Manufacturing: A fundamental starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) producing bespoke compounds for clients.

Basic Information

Product Name	3,5-Dimethyl-1-Propyl-1H-Pyrazole-4-Sulfonyl Chloride
CAS No.	1006336-87-3
Molecular Formula	C8H13ClN2O2S
Molecular Weight	236.72 g/mol
Synonyms	1-Propyl-3,5-dimethyl-1H-pyrazole-4-sulfonyl chloride; 3,5-Dimethyl-1-propylpyrazole-4-sulfonyl chloride; 4-Sulfonyl chloride-1-propyl-3,5-dimethylpyrazole; Pyrazole-4-sulfonyl chloride, 1-propyl-3,5-dimethyl-; 1H-Pyrazole-4-sulfonyl chloride, 3,5-dimethyl-1-propyl-
EINECS	Contact for details

Quality Control

Our 3,5-Dimethyl-1-Propyl-1H-Pyrazole-4-Sulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by NMR and IR spectroscopy, to ensure it meets the high standards required for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

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 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
Identification (NMR)	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.