Description

4-Hydrazinyl-1-Methyl-1H-Pyrazole Dihydrochloride is a high-purity, functionalized pyrazole derivative offered as a dihydrochloride salt. This compound serves as a critical versatile building block in advanced organic synthesis, particularly for the development of novel heterocyclic compounds and active pharmaceutical ingredients (APIs). It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require reliable, high-quality intermediates for their R&D and production processes.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides, herbicides, and fungicides due to its reactive hydrazinyl group.
• Ligand and Chelator Development: Serves as a starting material for creating specialized ligands used in catalysis and metal complexation studies.
• Heterocyclic Chemistry Research: An essential building block for constructing complex pyrazole, pyrazolone, and fused heterocyclic ring systems in academic and industrial research.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological pathways and enzyme inhibition.
• Material Science Precursor: Potential intermediate in the synthesis of organic electronic materials and functional polymers.

Basic Information

Item	Details
Product Name	4-Hydrazinyl-1-Methyl-1H-Pyrazole Dihydrochloride
CAS No.	1803599-63-4
Molecular Formula	C4H9N4 · 2HCl
Molecular Weight	197.07 g/mol (Free base: 125.14 g/mol)
Synonyms	1-Methyl-1H-pyrazole-4-hydrazine dihydrochloride; 1-Methyl-4-hydrazinyl-1H-pyrazole dihydrochloride; 4-Hydrazino-1-methylpyrazole dihydrochloride; 1-Methyl-1H-pyrazol-4-ylhydrazine dihydrochloride; 4-Hydrazinyl-1-methylpyrazole hydrochloride (1:2)
EINECS	Contact for details

Quality Control

Our 4-Hydrazinyl-1-Methyl-1H-Pyrazole Dihydrochloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and production use. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when appropriate to prevent oxidation and moisture absorption. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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