Description

4-Bromo-1-(butan-2-yl)-1H-pyrazole is a high-purity, functionalized pyrazole derivative serving as a critical building block in advanced organic synthesis. Its molecular structure, featuring a bromine substituent and an alkyl side chain, makes it a versatile intermediate for constructing complex heterocyclic frameworks. This compound is essential for researchers and process chemists in the pharmaceutical and agrochemical industries, particularly in the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential drug candidates, especially in medicinal chemistry programs targeting kinase inhibitors and other biologically active molecules.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging the pyrazole core's bioactivity.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in transition metal catalysis and coordination chemistry.
• Material Science Research: Building block for the synthesis of organic electronic materials, such as charge-transport layers or light-emitting components.
• Custom Chemical Synthesis: Employed by contract research and manufacturing organizations (CROs/CMOs) for bespoke synthesis projects and scale-up services.

Basic Information

Item	Detail
Product Name	4-Bromo-1-(butan-2-yl)-1H-pyrazole
CAS No.	1179304-86-9
Molecular Formula	C7H11BrN2
Molecular Weight	203.08 g/mol
Synonyms	4-Bromo-1-sec-butyl-1H-pyrazole; 1-(sec-Butyl)-4-bromo-1H-pyrazole; 4-Bromo-1-(1-methylpropyl)-1H-pyrazole; 1179304-86-9; 4-Bromo-1-(butan-2-yl)pyrazole; 4-Bromopyrazole derivative; sec-Butyl 4-bromopyrazole
EINECS	Contact for details

Quality Control

Our 4-Bromo-1-(butan-2-yl)-1H-pyrazole is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality system supports traceability and is designed to meet the stringent requirements of research and development applications.

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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to exclude moisture and prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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