Description

1H-Pyrazole-4-Carboxaldehyde, 5-Chloro-3-Methyl-1-(4-Nitrophenyl) is a high-purity, multi-functional heterocyclic aldehyde building block. This compound is valued for its role as a key synthetic intermediate in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of potential drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Material Science: Serves as a building block for creating specialized polymers, ligands, or organic electronic materials.
• Chemical Synthesis: Employed in academic and industrial R&D for constructing complex pyrazole-based derivatives and fine chemicals.
• Ligand & Catalyst Development: The aldehyde and nitro functional groups make it suitable for creating novel chelating agents or catalyst precursors.

Basic Information

Product Name	1H-Pyrazole-4-Carboxaldehyde, 5-Chloro-3-Methyl-1-(4-Nitrophenyl)
CAS No.	24392-05-0
Molecular Formula	C11H8ClN3O3
Molecular Weight	265.65 g/mol
Synonyms	5-Chloro-3-methyl-1-(4-nitrophenyl)-1H-pyrazole-4-carboxaldehyde; 5-Chloro-3-methyl-1-(4-nitrophenyl)pyrazole-4-carboxaldehyde; 1-(4-Nitrophenyl)-5-chloro-3-methyl-1H-pyrazole-4-carbaldehyde; 5-Chloro-3-methyl-1-(p-nitrophenyl)-1H-pyrazole-4-carboxaldehyde; 4-Formyl-5-chloro-3-methyl-1-(4-nitrophenyl)pyrazole; CAS 24392-05-0
EINECS	Contact for details

Quality Control

Every batch of 1H-Pyrazole-4-Carboxaldehyde, 5-Chloro-3-Methyl-1-(4-Nitrophenyl) is manufactured under strict quality management protocols. Our products undergo rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency meet the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This compound is easily oxidized (store under inert atmosphere) and is light-sensitive. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.