Description

1-(2-Bromophenyl)-5-(Thiophen-3-Yl)-1H-Pyrazole is a high-purity heterocyclic organic compound, specifically a substituted pyrazole derivative, serving as a critical advanced intermediate in modern synthetic chemistry. Its core value lies in its versatile molecular scaffold, which is engineered for the efficient synthesis of complex, high-value target molecules. This product is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries who require reliable, high-quality building blocks for drug discovery and specialty chemical manufacturing.

Application

• Pharmaceutical Intermediate: A key building block in the research and development of novel active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Agrochemical Synthesis: Used in the synthesis of advanced crop protection agents, including herbicides and fungicides, leveraging its heterocyclic structure for bioactivity.
• Material Science Research: Serves as a precursor for the development of organic electronic materials, such as organic light-emitting diodes (OLEDs) and semiconductors, due to the electron-rich thiophene moiety.
• Chemical Biology & Probe Development: Employed in the design and synthesis of molecular probes and inhibitors for studying biological pathways and enzyme functions.
• Custom Synthesis & Contract Manufacturing: A fundamental starting material for custom synthesis projects and scale-up processes under cGMP or ISO standards for client-specific molecules.

Basic Information

Product Name	1-(2-Bromophenyl)-5-(Thiophen-3-Yl)-1H-Pyrazole
CAS No.	1269292-27-4
Molecular Formula	C13H9BrN2S
Molecular Weight	305.19 g/mol
Synonyms	5-(3-Thienyl)-1-(2-bromophenyl)-1H-pyrazole; 1-(2-Bromophenyl)-5-(3-thienyl)-1H-pyrazole; 1H-Pyrazole, 1-(2-bromophenyl)-5-(3-thienyl)-; 1-(o-Bromophenyl)-5-(thiophen-3-yl)-1H-pyrazole; 3-(1-(2-Bromophenyl)-1H-pyrazol-5-yl)thiophene; 1-(2-Bromophenyl)-5-(thiophen-3-yl)pyrazole
EINECS	Contact for details

Quality Control

Every batch of 1-(2-Bromophenyl)-5-(Thiophen-3-Yl)-1H-Pyrazole is manufactured and tested under a strict quality management system. Our products undergo rigorous quality testing, including advanced chromatographic and spectroscopic methods, to ensure compliance with exacting industry standards and client specifications. A comprehensive Certificate of Analysis (COA), detailing purity, identity, and impurity profiles, is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, the container should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.