Description

4-Bromo-1-Methyl-1H-Pyrazole-5-Carbaldehyde is a versatile and high-value brominated pyrazole derivative, serving as a critical building block in advanced organic synthesis. Its unique structure, featuring both a bromine substituent and an aldehyde functional group, makes it an indispensable intermediate for constructing complex heterocyclic systems. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for kinase inhibitors and other small-molecule therapeutics.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic core.
• Material Science Research: Serves as a monomer or functionalization agent in the development of specialty polymers and advanced organic materials.
• Chemical Biology & Proteomics: Employed as a reactive handle for bioconjugation and the development of chemical probes due to its aldehyde group.
• Academic & Contract Research: A valuable reagent for methodological development in organic chemistry and medicinal chemistry programs.

Basic Information

Product Name	4-Bromo-1-Methyl-1H-Pyrazole-5-Carbaldehyde
CAS No.	473528-88-0
Molecular Formula	C5H5BrN2O
Molecular Weight	189.01 g/mol
Synonyms	4-Bromo-1-methyl-1H-pyrazole-5-carboxaldehyde; 1-Methyl-4-bromo-1H-pyrazole-5-carbaldehyde; 5-Bromo-2-methyl-2H-pyrazole-3-carbaldehyde; 4-Bromo-1-methylpyrazole-5-carbaldehyde; 1-Methyl-4-bromopyrazole-5-carboxaldehyde; 4-Bromo-1-methyl-5-pyrazolecarboxaldehyde
EINECS	Contact for details

Quality Control

Our production of 4-Bromo-1-Methyl-1H-Pyrazole-5-Carbaldehyde adheres to stringent internal quality standards, ensuring batch-to-batch consistency and high purity for research and manufacturing applications. All materials are characterized by modern analytical techniques including NMR, HPLC, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere); it is recommended to store under an inert gas such as nitrogen or argon for long-term stability.

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%

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