Description

4-Methylpyrazole Hydrochloride is a versatile organic salt and a key chemical intermediate with significant utility in advanced synthesis. Its primary value lies in its role as a precursor and building block for pharmaceuticals, agrochemicals, and specialized fine chemicals. This compound is essential for research and development laboratories, pharmaceutical manufacturers, and agrochemical producers seeking high-purity intermediates for complex synthetic pathways.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting metabolic and central nervous system disorders.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides, where the pyrazole moiety imparts specific biological activity.
• Chemical Research & Development: Serves as a valuable reagent in organic synthesis for constructing heterocyclic compounds and exploring new reaction methodologies.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and other specialty chemicals requiring high-purity intermediates.
• Biochemical Research: Utilized in biochemical studies as an inhibitor or modulator for specific enzymatic pathways.
• Material Science: Investigated as a precursor for advanced materials, including ligands for metal-organic frameworks (MOFs) and coordination polymers.

Basic Information

Product Name	4-Methylpyrazole Hydrochloride
CAS No.	56010-88-9
Molecular Formula	C4H7ClN2
Molecular Weight	118.56 g/mol
Synonyms	4-Methyl-1H-pyrazole hydrochloride; 1H-Pyrazole, 4-methyl-, hydrochloride; 4-MP HCl; 4-Methylpyrazole HCl; Fomepizole Impurity; 4-Methylpyrazole monohydrochloride; Pyrazole, 4-methyl-, hydrochloride
EINECS	Contact for details

Quality Control

Our 4-Methylpyrazole Hydrochloride is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive quality documentation, including Certificates of Analysis (COA) that detail purity, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated industries such as pharmaceuticals.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Loss on Drying	≤1.0%
Residue on Ignition	≤0.1%
Heavy Metals	≤20 ppm
Related Substances (HPLC)	Total impurities ≤2.0%

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