Description

1-(2-Bromophenylsulfonyl)-1H-Pyrazole CAS NO 957120-65-9 is a specialized organic sulfonamide compound featuring a brominated phenyl ring and a pyrazole heterocycle. This unique molecular architecture makes it a valuable high-purity building block and key intermediate in advanced chemical synthesis. It is primarily required by research and development organizations and fine chemical manufacturers in the pharmaceutical and agrochemical sectors for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme inhibition.
• Agrochemical Research: Used in developing new generation herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Material Science: Acts as a monomer or functionalizing agent in the creation of advanced polymers and specialty coatings.
• Chemical Synthesis: Employed as a versatile building block in organic chemistry for constructing complex sulfonamide-containing molecules.
• Biochemical Research: Utilized in the design and study of molecular probes and inhibitors for biological pathways.
• Custom Synthesis: A starting material for contract research organizations (CROs) and CDMOs producing bespoke compounds for client projects.

Basic Information

Product Name	1-(2-Bromophenylsulfonyl)-1H-Pyrazole
CAS No.	957120-65-9
Molecular Formula	C9H7BrN2O2S
Molecular Weight	287.13 g/mol
Synonyms	1-(2-Bromophenylsulfonyl)-1H-pyrazole; 1H-Pyrazole, 1-[(2-bromophenyl)sulfonyl]-; 1-(2-Bromobenzenesulfonyl)-1H-pyrazole; 2-Bromobenzenesulfonylpyrazole; 1-(o-Bromophenylsulfonyl)pyrazole; Pyrazole, 1-(2-bromophenylsulfonyl)-; 1-(2-Bromo-benzenesulfonyl)-1H-pyrazole
EINECS	Contact for details

Quality Control

Our 1-(2-Bromophenylsulfonyl)-1H-Pyrazole is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, documenting all critical quality parameters. Our commitment to reliable supply and traceability supports your R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound may be light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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