Description

5-Chloro-3-(4-Methoxyphenyl)-1-Methyl-1H-Pyrazole is a high-purity, functionalized pyrazole derivative serving as a critical building block in advanced organic synthesis. Its molecular structure, featuring both chloro and methoxyphenyl substituents, makes it a versatile intermediate for constructing complex molecules with tailored properties. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it is used to develop new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of novel drug candidates, particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents, such as herbicides and fungicides, leveraging its heterocyclic core.
• Material Science Research: Serves as a precursor for developing specialty polymers, liquid crystals, or organic electronic materials due to its aromatic and heterocyclic character.
• Chemical Biology & Proteomics: Can be utilized as a scaffold or linker in the design of chemical probes and inhibitors for studying biological pathways.
• Custom Synthesis & Contract Manufacturing: An important starting material for custom synthesis services catering to the needs of biotechnology and fine chemical companies.

Basic Information

Product Name	5-Chloro-3-(4-Methoxyphenyl)-1-Methyl-1H-Pyrazole
CAS No.	524740-35-0
Molecular Formula	C11H11ClN2O
Molecular Weight	222.67 g/mol
Synonyms	5-Chloro-1-methyl-3-(4-methoxyphenyl)-1H-pyrazole; 1-Methyl-5-chloro-3-(4-methoxyphenyl)pyrazole; 3-(4-Methoxyphenyl)-5-chloro-1-methyl-1H-pyrazole; 5-Chloro-3-(4-methoxyphenyl)-1-methylpyrazole; 1H-Pyrazole, 5-chloro-3-(4-methoxyphenyl)-1-methyl-; 524740-35-0; 5-Chloro-1-methyl-3-(p-methoxyphenyl)pyrazole
EINECS	Contact for details

Quality Control

Our 5-Chloro-3-(4-Methoxyphenyl)-1-Methyl-1H-Pyrazole is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific client requirements for research or cGMP applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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