Description

1-(4-Bromophenyl)-1H-Pyrazole-5-Carbaldehyde is a versatile brominated pyrazole derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its bifunctional reactivity, featuring both an aldehyde group and a brominated aromatic ring, enabling precise molecular construction. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, especially kinase inhibitors and other small molecule therapeutics.
• Agrochemical Research: Used in developing new pesticides, herbicides, and fungicides due to its bioactive pyrazole core.
• Ligand Synthesis: Employed in coordination chemistry for creating specialized ligands used in catalysis and material science.
• Functional Material Development: Serves as a monomer or cross-linking agent in the production of advanced polymers and organic electronic materials.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological pathways and target engagement.
• Custom Synthesis & Scale-up: A foundational substrate for contract research organizations (CROs) and CDMOs performing custom synthesis from milligram to kilogram scale.

Basic Information

Product Name	1-(4-Bromophenyl)-1H-Pyrazole-5-Carbaldehyde
CAS No.	1269293-53-9
Molecular Formula	C10H7BrN2O
Molecular Weight	251.08 g/mol
Synonyms	4-Bromo-1H-pyrazole-5-carboxaldehyde; 5-Formyl-1-(4-bromophenyl)pyrazole; 1-(p-Bromophenyl)-1H-pyrazole-5-carbaldehyde; 1-(4-Bromophenyl)-1H-pyrazole-5-carboxaldehyde; 4-Bromophenyl pyrazole carbaldehyde; (4-Bromophenyl)pyrazole-5-carbaldehyde; 1H-Pyrazole-5-carboxaldehyde, 1-(4-bromophenyl)-; 1269293-53-9
EINECS	Contact for details

Quality Control

Every batch of 1-(4-Bromophenyl)-1H-Pyrazole-5-Carbaldehyde is manufactured and tested under strict quality management systems. We provide comprehensive analytical data to ensure the material meets the precise requirements for research and development. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment, confirming compliance with agreed specifications.

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 compound is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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