Description

1H-Pyrazole-4-Carboxaldehyde,1-Ethyl-5-(4-Fluorophenyl)-(9Ci) is a high-purity fluorinated pyrazole derivative, a crucial advanced intermediate in modern organic synthesis. Its value lies in its unique molecular scaffold, which is essential for constructing complex pharmacologically active molecules. This compound is primarily needed by research institutions and pharmaceutical companies engaged in the development of new active pharmaceutical ingredients (APIs) and agrochemicals, where it serves as a key building block.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Research: Used in the development of next-generation pesticides and herbicides, leveraging its pyrazole core for bioactivity.
• Chemical Synthesis Reagent: Serves as a versatile aldehyde component in various name reactions, including condensations and cyclizations, to create more complex heterocyclic systems.
• Material Science Precursor: Potential use in the synthesis of specialized ligands for catalysis or functional organic materials.
• Academic & R&D: Employed in university and corporate research laboratories for method development and exploring new synthetic pathways.

Basic Information

Product Name	1H-Pyrazole-4-Carboxaldehyde,1-Ethyl-5-(4-Fluorophenyl)-(9Ci)
CAS No.	689250-64-4
Molecular Formula	C₁₂H₁₁FN₂O
Molecular Weight	218.23 g/mol
Synonyms	1-Ethyl-5-(4-fluorophenyl)-1H-pyrazole-4-carbaldehyde; 5-(4-Fluorophenyl)-1-ethyl-1H-pyrazole-4-carboxaldehyde; 1-Ethyl-5-(p-fluorophenyl)pyrazole-4-carboxaldehyde; 1-Ethyl-5-(4-fluorophenyl)-1H-pyrazole-4-carbaldehyde; 1-Ethyl-5-(4-fluorophenyl)pyrazole-4-carbaldehyde; 4-Formyl-1-ethyl-5-(4-fluorophenyl)pyrazole; 689250-64-4 (CAS Registry Number)
EINECS	Contact for details

Quality Control

Our 1H-Pyrazole-4-Carboxaldehyde,1-Ethyl-5-(4-Fluorophenyl)-(9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its light-sensitive nature and propensity for oxidation, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.