Description

1-Propyl-1H-Pyrazole-5-Sulfonyl Chloride is a specialized sulfonyl chloride derivative, a key reactive intermediate in modern organic synthesis. Its value lies in its role as a versatile building block for introducing the sulfonamide functional group, which is critical for modulating the biological activity and physicochemical properties of target molecules. This compound is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those containing sulfonamide moieties with potential therapeutic applications.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, where the sulfonamide group can enhance efficacy and selectivity.
• Chemical Biology & Proteomics: Serves as a reactive handle for labeling or modifying biomolecules, facilitating studies in drug discovery and target identification.
• Material Science Research: Employed in the creation of novel polymers or functional materials where sulfonamide linkages are desired for specific properties.
• Custom Synthesis & Contract Manufacturing: A key starting material for custom chemical synthesis services catering to the needs of biotechnology and specialty chemical companies.

Basic Information

Product Name	1-Propyl-1H-Pyrazole-5-Sulfonyl Chloride
CAS No.	1340283-38-6
Molecular Formula	C6H9ClN2O2S
Molecular Weight	208.67 g/mol
Synonyms	1-Propyl-1H-pyrazole-5-sulfonyl chloride; 1-n-Propyl-1H-pyrazole-5-sulfonyl chloride; 1-Propylpyrazole-5-sulfonyl chloride; 5-Sulfonyl chloride-1-propylpyrazole; 1H-Pyrazole-5-sulfonyl chloride, 1-propyl-; 1-Propyl-5-sulfonylchloridopyrazol; 1-Propyl-1H-pyrazol-5-sulfonyl chloride
EINECS	Contact for details

Quality Control

Our 1-Propyl-1H-Pyrazole-5-Sulfonyl Chloride is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). 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 decomposition. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Typical 97-99%)
Water Content (KF)	≤ 1.0%

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