Description

1-(4-Chlorophenyl)-3-(4-Fluorophenyl)-1H-Pyrazole-4-Carbaldehyde is a high-value, multi-functional heterocyclic aldehyde building block used in advanced organic synthesis. This compound is critical for the development of novel active pharmaceutical ingredients (APIs) and agrochemicals due to its reactive aldehyde group and substituted pyrazole core. It is primarily sought by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly for kinase inhibitors and other small-molecule therapeutics.
• Agrochemical Synthesis: Used in the research and development of new-generation fungicides, herbicides, and insecticides.
• Material Science Research: Serves as a building block for creating novel organic ligands, polymers, and functional materials.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying biological pathways and target engagement.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthesis projects.

Basic Information

Product Name	1-(4-Chlorophenyl)-3-(4-Fluorophenyl)-1H-Pyrazole-4-Carbaldehyde
CAS No.	618098-50-3
Molecular Formula	C16H10ClFN2O
Molecular Weight	300.72 g/mol
Synonyms	4-Chloro-α-(4-fluorophenyl)-1H-pyrazole-5-acetaldehyde; 1-(p-Chlorophenyl)-3-(p-fluorophenyl)-1H-pyrazole-4-carboxaldehyde; 4-Formyl-1-(4-chlorophenyl)-3-(4-fluorophenyl)pyrazole; 618098-50-3; 1H-Pyrazole-4-carboxaldehyde, 1-(4-chlorophenyl)-3-(4-fluorophenyl)-
EINECS	Contact for details

Quality Control

Our 1-(4-Chlorophenyl)-3-(4-Fluorophenyl)-1H-Pyrazole-4-Carbaldehyde is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality and regulatory requirements.

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; for long-term storage, consider an inert atmosphere. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC/IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.