Description

3-Pyridinecarboxylic Acid, 5-Ethyl-1,6-Dihydro-4-Hydroxy-2-Methyl-6-Oxo-, Ethyl Ester (9Ci) is a high-purity, specialized pyridine derivative with significant utility in advanced organic synthesis. This compound serves as a critical building block for the development of novel active pharmaceutical ingredients (APIs) and fine chemicals, offering a unique heterocyclic scaffold for medicinal chemistry research. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating new molecular entities.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Research: Used as a building block for developing new pesticides, herbicides, or plant growth regulators due to its bioactive pyridine core.
• Ligand Synthesis: Employed in the preparation of complex ligands for catalysis and metal-organic frameworks (MOFs).
• Fine Chemical Production: Serves as a starting material for the manufacture of other high-value, complex organic compounds.
• Academic & Industrial R&D: Utilized in research laboratories for method development and exploring new chemical reactions and pathways.

Basic Information

Product Name	3-Pyridinecarboxylic Acid, 5-Ethyl-1,6-Dihydro-4-Hydroxy-2-Methyl-6-Oxo-, Ethyl Ester (9Ci)
CAS No.	477597-99-2
Molecular Formula	C12H15NO4
Molecular Weight	237.25 g/mol
Synonyms	5-Ethyl-1,6-dihydro-4-hydroxy-2-methyl-6-oxo-3-pyridinecarboxylic acid ethyl ester; Ethyl 5-ethyl-1,6-dihydro-4-hydroxy-2-methyl-6-oxo-3-pyridinecarboxylate; 3-Pyridinecarboxylic acid, 5-ethyl-1,6-dihydro-4-hydroxy-2-methyl-6-oxo-, ethyl ester; CAS 477597-99-2
EINECS	Contact for details

Quality Control

Our 3-Pyridinecarboxylic Acid, 5-Ethyl-1,6-Dihydro-4-Hydroxy-2-Methyl-6-Oxo-, Ethyl Ester (9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and development applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality system is designed to meet the stringent requirements of pharmaceutical and fine chemical customers.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain product stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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