Description

5-(3,4-Dimethyl-1H-Pyrazol-5-Yl)-2-Furansulfonyl Chloride is a high-value, multi-functional heterocyclic building block and sulfonylating agent. This compound is critical for the synthesis of complex molecules, particularly in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily sought by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing advanced molecular scaffolds.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of potential drug candidates, especially in medicinal chemistry programs targeting new therapeutic agents.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides with specific modes of action.
• Sulfonamide Formation: Acts as a versatile sulfonyl chloride reagent for introducing the sulfonamide group (-SO2NH-) into target molecules, a common pharmacophore.
• Heterocyclic Chemistry: Serves as a fused heterocyclic precursor for creating complex polycyclic structures in advanced organic synthesis.
• Material Science Research: Potential intermediate in the development of specialty polymers or functional materials with specific electronic or binding properties.
• Chemical Biology Probes: Can be utilized to create molecular probes for studying biological pathways and protein interactions.

Basic Information

Product Name	5-(3,4-Dimethyl-1H-Pyrazol-5-Yl)-2-Furansulfonyl Chloride
CAS No.	1309671-79-1
Molecular Formula	C9H9ClN2O3S
Molecular Weight	260.70 g/mol
Synonyms	5-(3,4-Dimethyl-1H-pyrazol-5-yl)-2-furansulfonyl chloride; 2-Furansulfonyl chloride, 5-(3,4-dimethyl-1H-pyrazol-5-yl)-; 5-(3,4-Dimethyl-1H-pyrazol-5-yl)furan-2-sulfonyl chloride; 5-(3,4-Dimethylpyrazol-5-yl)furan-2-sulfonyl chloride; 1309671-79-1
EINECS	Contact for details

Quality Control

Every batch of 5-(3,4-Dimethyl-1H-Pyrazol-5-Yl)-2-Furansulfonyl Chloride is produced and tested under strict quality management systems to ensure consistency and reliability for your research and development. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your regulatory and quality documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when opening to prevent degradation from atmospheric moisture.

Specification

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

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