Description

5-Bromo-1-Methyl-1H-Pyrazole-4-Carbaldehyde is a versatile and high-value brominated pyrazole derivative, serving as a critical building block in advanced organic synthesis. Its reactive aldehyde and halogenated heterocyclic structure make it an indispensable intermediate for constructing complex molecules with tailored properties. This compound is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for the creation of novel active ingredients and functional materials.

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 development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic scaffold.
• Material Science Research: Serves as a building block for creating specialized polymers, ligands for catalysis, and organic electronic materials.
• Chemical Biology & Proteomics: Employed in the design and synthesis of molecular probes, enzyme inhibitors, and bioconjugation reagents.
• Custom Synthesis & Contract Manufacturing: A fundamental starting material for custom synthesis projects and scale-up processes in fine chemical production.

Basic Information

Product Name	5-Bromo-1-Methyl-1H-Pyrazole-4-Carbaldehyde
CAS No.	1211505-84-8
Molecular Formula	C5H5BrN2O
Molecular Weight	189.01 g/mol
Synonyms	5-Bromo-1-methyl-1H-pyrazole-4-carboxaldehyde; 1-Methyl-5-bromo-1H-pyrazole-4-carbaldehyde; 4-Formyl-5-bromo-1-methylpyrazole; 5-Bromo-1-methylpyrazole-4-carbaldehyde; 1211505-84-8
EINECS	Contact for details

Quality Control

Our 5-Bromo-1-Methyl-1H-Pyrazole-4-Carbaldehyde is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its light-sensitive nature and propensity for oxidation, it is recommended to handle under an inert atmosphere for long-term storage and to minimize repeated exposure to air.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	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.