Description

1-Methyl-1H-Pyrazole-5-Carbaldehyde is a versatile heterocyclic aldehyde building block of significant importance in advanced organic synthesis. Its reactive formyl group makes it a critical precursor for constructing complex molecular architectures, particularly in the pharmaceutical and agrochemical sectors. This compound is essential for researchers and manufacturers developing active pharmaceutical ingredients (APIs), crop protection agents, and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of various drug candidates, including kinase inhibitors and other biologically active heterocycles.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides, leveraging the pyrazole core for bioactivity.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands used in transition metal catalysis and coordination chemistry.
• Material Science Research: Employed in the development of organic electronic materials, dyes, and photoactive compounds.
• Chemical Biology Probes: Utilized to build molecular probes for studying enzyme function and biological pathways.
• Custom Synthesis and R&D: A fundamental starting material for contract research organizations (CROs) and fine chemical companies engaged in custom synthesis projects.

Basic Information

Product Name	1-Methyl-1H-Pyrazole-5-Carbaldehyde
CAS No.	27258-33-9
Molecular Formula	C5H6N2O
Molecular Weight	110.11 g/mol
Synonyms	1-Methyl-1H-pyrazole-5-carboxaldehyde; 5-Formyl-1-methylpyrazole; 1-Methyl-5-pyrazolecarboxaldehyde; 1-Methylpyrazole-5-carbaldehyde; 1-Methyl-1H-pyrazole-5-carboxaldehyde; 1-Methylpyrazole-5-carboxaldehyde; 1-Methyl-5-formylpyrazole; 5-Carbaldehyde-1-methylpyrazole
EINECS	Contact for details

Quality Control

Our 1-Methyl-1H-Pyrazole-5-Carbaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

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). This material is easily oxidized and should be handled under an inert atmosphere for long-term storage or after opening to maintain stability and purity. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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