Description

4,5,6-Trimethyl-2-oxo-1,2-dihydro-3-pyridinecarboxylic acid (Saltdata: Free) is a high-purity, versatile pyridine derivative serving as a critical building block in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of pharmaceuticals, agrochemicals, and functional materials, where precise molecular architecture is paramount. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality intermediates for complex synthesis pathways. The product is supplied as the free acid form, offering flexibility for downstream salt formation and derivatization.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the pyridine core contributes to biological activity.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in catalytic processes, including asymmetric synthesis.
• Material Science Research: Employed in the development of organic electronic materials, metal-organic frameworks (MOFs), and other functional polymers.
• Chemical Research & Development: A valuable scaffold for medicinal chemistry and process chemistry for exploring new chemical entities and optimizing synthetic routes.
• Fine Chemical Production: Integrated into multistep syntheses for producing high-value, complex organic molecules for various industrial applications.

Basic Information

Product Name	4,5,6-Trimethyl-2-oxo-1,2-dihydro-3-pyridinecarboxylic acid (Saltdata: Free)
CAS No.	98996-38-4
Molecular Formula	C9H11NO3
Molecular Weight	181.19 g/mol
Synonyms	3-Pyridinecarboxylic acid, 1,2-dihydro-4,5,6-trimethyl-2-oxo-; 4,5,6-Trimethyl-2-oxo-1,2-dihydro-3-pyridinecarboxylic acid; 4,5,6-Trimethyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid; 3-Carboxy-4,5,6-trimethyl-2(1H)-pyridinone; 4,5,6-Trimethyl-2-oxo-1,2-dihydro-pyridine-3-carboxylic acid; 98996-38-4 (CAS Registry Number); Trimethyloxodihydropyridinecarboxylic acid
EINECS	Contact for details

Quality Control

Our 4,5,6-Trimethyl-2-oxo-1,2-dihydro-3-pyridinecarboxylic acid (Saltdata: Free) is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliability for your most critical R&D and production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The product is light-sensitive and should be stored away from direct light exposure. Keep the container tightly sealed when not in use to protect from moisture and atmospheric contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
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.