Description

5-Chloro-1-(2-Chlorophenyl)-3-Methyl-1H-Pyrazole-4-Carboxaldehyde is a high-purity, multi-functional pyrazole derivative serving as a critical advanced intermediate in modern organic synthesis. This compound matters because it provides a versatile and reactive aldehyde functional group on a halogenated pyrazole scaffold, enabling the construction of complex molecules for research and development. It is primarily needed by pharmaceutical, agrochemical, and specialty chemical manufacturers for the synthesis of active ingredients and novel chemical entities. Our supply ensures consistent quality and reliable availability for your most demanding synthesis projects.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in medicinal chemistry research targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the development and production of advanced pesticides, herbicides, and fungicides, leveraging its reactive aldehyde group.
• Chemical Research & Development: Serves as a versatile precursor for heterocyclic chemistry, enabling the creation of libraries of compounds for screening and optimization.
• Material Science: Potential intermediate in the synthesis of specialty polymers, ligands, or organic electronic materials due to its functionalized aromatic structure.
• Custom Synthesis & Contract Manufacturing: An essential starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving the life sciences industry.

Basic Information

Product Name	5-Chloro-1-(2-Chlorophenyl)-3-Methyl-1H-Pyrazole-4-Carboxaldehyde
CAS No.	370561-61-8
Molecular Formula	C11H8Cl2N2O
Molecular Weight	255.10 g/mol
Synonyms	5-Chloro-1-(2-chlorophenyl)-3-methyl-1H-pyrazole-4-carbaldehyde; 4-Formyl-5-chloro-1-(2-chlorophenyl)-3-methylpyrazole; 1H-Pyrazole-4-carboxaldehyde, 5-chloro-1-(2-chlorophenyl)-3-methyl-; 2-Chloro-α-(5-chloro-3-methyl-1H-pyrazol-1-yl)benzeneacetaldehyde (tautomeric form); 370561-61-8; 5-Chloro-1-(o-chlorophenyl)-3-methyl-1H-pyrazole-4-carboxaldehyde
EINECS	Contact for details

Quality Control

Our 5-Chloro-1-(2-Chlorophenyl)-3-Methyl-1H-Pyrazole-4-Carboxaldehyde is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment ensures the material meets the high standards required for pharmaceutical and agrochemical intermediate applications.

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). This compound is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from heat, sparks, and open flame. For long-term storage, consider storage under an inert gas such as nitrogen or argon.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single impurity	≤ 0.5%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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