Description

4-(4-Bromophenyl)-1H-Pyrazol-5-Amine is a versatile brominated pyrazole derivative, serving as a critical building block in advanced organic synthesis. Its primary value lies in its functional amine and halogenated aromatic ring, which make it an essential intermediate for constructing complex molecular architectures. This compound is particularly valuable for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to develop new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and insecticides, leveraging its halogenated structure for bioactivity.
• Material Science Research: Serves as a monomer or functional unit in the creation of specialty polymers, ligands for catalysis, and organic electronic materials.
• Chemical Biology Probe Development: Utilized to create labeled compounds and molecular probes for studying biological pathways and enzyme functions.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for bespoke synthesis projects requiring high-purity brominated heterocycles.

Basic Information

Product Name	4-(4-Bromophenyl)-1H-Pyrazol-5-Amine
CAS No.	57999-08-3
Molecular Formula	C9H8BrN3
Molecular Weight	238.09 g/mol
Synonyms	5-Amino-4-(4-bromophenyl)-1H-pyrazole; 4-(4-Bromophenyl)-1H-pyrazol-5-amine; 1H-Pyrazol-5-amine, 4-(4-bromophenyl)-; 4-(p-Bromophenyl)-1H-pyrazol-5-amine; 4-(4-Bromophenyl)pyrazol-5-ylamine; 5-Amino-4-(4-bromophenyl)pyrazole; 4-Bromophenylpyrazole-5-amine
EINECS	Contact for details

Quality Control

Our production of 4-(4-Bromophenyl)-1H-Pyrazol-5-Amine adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. Each lot undergoes comprehensive analysis, including HPLC for purity, NMR for structural confirmation, and KF titration for moisture content. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment, and we support custom purity requirements for research and cGMP manufacturing.

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). 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. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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