Description

3-Pyridinecarboxaldehyde,5-Ethyl-(9Ci) is a specialized pyridine derivative, specifically a substituted nicotinaldehyde, that serves as a versatile and high-value building block in advanced organic synthesis. Its molecular structure, featuring both an aldehyde and an ethyl substituent on the pyridine ring, makes it a critical intermediate for constructing complex heterocyclic systems and functional materials. This compound is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for developing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in developing kinase inhibitors, neurological agents, and anti-infectives.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators that require specific pyridine-based scaffolds.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands used in asymmetric catalysis and transition metal complexes.
• Material Science Research: Employed in the synthesis of organic electronic materials, such as components for OLEDs or conductive polymers.
• Chemical Research & Development: A versatile reagent for constructing complex heterocycles like quinolines, naphthyridines, and other fused ring systems in academic and industrial labs.
• Fine Chemical Production: Intermediate in the multi-step synthesis of specialty chemicals, dyes, and flavors & fragrances.

Basic Information

Product Name	3-Pyridinecarboxaldehyde,5-Ethyl-(9Ci)
CAS No.	98664-63-2
Molecular Formula	C8H9NO
Molecular Weight	135.16 g/mol
Synonyms	5-Ethylpyridine-3-carboxaldehyde; 5-Ethyl-3-pyridinecarboxaldehyde; 5-Ethylnicotinaldehyde; 3-Formyl-5-ethylpyridine; 5-Ethyl-3-formylpyridine; 5-Ethyl-3-pyridylcarboxaldehyde; 98664-63-2; 5-Ethyl-3-pyridinealdehyde
EINECS	Contact for details

Quality Control

Our 3-Pyridinecarboxaldehyde,5-Ethyl-(9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and FTIR, 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 research and scale-up applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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