Description

4-Chloro-3,5-Dimethyl-1H-Pyrazole is a versatile halogenated heterocyclic compound that serves as a critical building block in advanced organic synthesis. Its value lies in its reactive chloro substituent and stable pyrazole core, enabling precise chemical modifications for creating complex molecular architectures. This intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory applications.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides, where the pyrazole moiety contributes to biological activity.
• Ligand and Catalyst Development: Serves as a foundational structure for creating specialized ligands used in transition metal catalysis and coordination chemistry.
• Material Science Research: Employed in the development of organic electronic materials, metal-organic frameworks (MOFs), and polymers with tailored properties.
• Chemical Biology Probes: Utilized as a scaffold for designing molecular probes and inhibitors to study enzyme function and biological pathways.

Basic Information

Product Name	4-Chloro-3,5-Dimethyl-1H-Pyrazole
CAS No.	15953-73-8
Molecular Formula	C5H7ClN2
Molecular Weight	130.57 g/mol
Synonyms	4-Chloro-3,5-dimethylpyrazole; 3,5-Dimethyl-4-chloropyrazole; 4-Chloro-3,5-dimethyl-1H-pyrazole; 1H-Pyrazole, 4-chloro-3,5-dimethyl-; 4-Chloro-3,5-dimethylpyrazole; 4-Chloro-3,5-dimethyl-1H-pyrazol; NSC 403119
EINECS	Contact for details

Quality Control

Our production of 4-Chloro-3,5-Dimethyl-1H-Pyrazole adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 99 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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