Description

4-Pyridinecarboxylicacid,3-Methyl-,1-Oxide(9Ci) CAS NO 131346-20-8 is a high-purity pyridine derivative, specifically a methyl-substituted nicotinic acid N-oxide. This compound serves as a versatile and valuable advanced pharmaceutical intermediate and organic synthesis building block, enabling the development of novel active ingredients. It is primarily required by R&D and production teams in the pharmaceutical, agrochemical, and fine chemical sectors for creating complex molecules.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly in developing molecules with pyridine-based pharmacophores.
• Ligand Synthesis: Used to create specialized ligands for catalysis and metal complexation in research and industrial processes.
• Agrochemical Research: Building block for developing new generation herbicides, fungicides, and plant growth regulators.
• Material Science: Intermediate in the production of functionalized polymers and advanced organic materials.
• Chemical Research: A valuable reagent for academic and industrial R&D in heterocyclic and medicinal chemistry.

Basic Information

Product Name	4-Pyridinecarboxylicacid,3-Methyl-,1-Oxide(9Ci)
CAS No.	131346-20-8
Molecular Formula	C7H7NO3
Molecular Weight	153.14 g/mol
Synonyms	3-Methylisonicotinic acid N-oxide; 3-Methyl-4-pyridinecarboxylic acid 1-oxide; 3-Methylpyridine-4-carboxylic acid 1-oxide; 3-Methylisonicotinic acid 1-oxide; 4-Carboxy-3-methylpyridine N-oxide; 3-Methyl-4-picolinic acid N-oxide; Isonicotinic acid, 3-methyl-, 1-oxide
EINECS	Contact for details

Quality Control

Our 4-Pyridinecarboxylicacid,3-Methyl-,1-Oxide(9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical specifications. Our quality commitment ensures the material meets the high standards required for GMP-aligned synthesis and global regulatory compliance (e.g., REACH).

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.