Description

4-Methylpyrazole is a versatile heterocyclic organic compound that serves as a critical building block and reagent in advanced chemical synthesis. Its unique pyrazole ring structure makes it a valuable intermediate for pharmaceuticals, agrochemicals, and specialty materials. This compound is essential for research and production in the pharmaceutical, agrochemical, and fine chemical industries, where precise chemical functionality is required.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various active pharmaceutical ingredients (APIs), including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides due to its bioactive heterocyclic core.
• Chemical Research & Development: Serves as a fundamental reagent in organic synthesis for constructing complex nitrogen-containing heterocycles.
• Ligand and Catalyst Preparation: Utilized in coordination chemistry to create ligands for metal catalysts used in asymmetric synthesis.
• Material Science: Acts as a monomer or additive in the development of specialty polymers and advanced functional materials.
• Biochemical Research: Employed as a tool compound in biochemical studies, particularly those involving alcohol dehydrogenase inhibition.

Basic Information

Product Name	4-Methylpyrazole
CAS No.	7554-65-6
Molecular Formula	C4H6N2
Molecular Weight	82.10 g/mol
Synonyms	4-Methyl-1H-pyrazole; 4-MP; Fomepizole Impurity; 4-Methylpyrazole (4-MP); Pyrazole, 4-methyl-; 1H-Pyrazole, 4-methyl-; NSC 38023; 4-Methyl-1H-pyrazole (Fomepizole Related Compound A)
EINECS	231-439-5

Quality Control

Our 4-Methylpyrazole is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing purity, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, and we support compliance with global regulatory standards such as REACH.

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 hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	36 - 40 °C
Loss on Drying	≤ 1.0 %
Residue on Ignition	≤ 0.1 %
Related Substances (HPLC)	Individual impurity ≤ 0.5% Total impurities ≤ 1.5%

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