Description

5-Hydroxyisonicotinic Acid N-Oxide is a specialized heterocyclic carboxylic acid derivative with a unique N-oxide functional group. This compound is valued as a versatile pharmaceutical intermediate and research chemical for the synthesis of novel bioactive molecules. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to incorporate its distinct structural motif into new compounds.

Application

• Pharmaceutical Intermediate: A key building block in the research and synthesis of new drug candidates, particularly those targeting neurological or inflammatory pathways.
• Ligand Synthesis: Used in the preparation of complex ligands for catalysis and metal-organic frameworks (MOFs) due to its chelating potential.
• Agrochemical Research: Serves as a precursor in the development of new herbicides or plant growth regulators.
• Chemical Reference Standard: Employed as an analytical standard in quality control laboratories for method development and validation.
• Academic & Industrial R&D: A valuable reagent for exploring new chemical reactions and synthesizing novel heterocyclic compounds in research settings.

Basic Information

Product Name	5-Hydroxyisonicotinic Acid N-Oxide
CAS No.	874285-13-9
Molecular Formula	C6H5NO4
Molecular Weight	155.11 g/mol
Synonyms	5-Hydroxyisonicotinic acid 1-oxide; 5-Hydroxypyridine-4-carboxylic acid 1-oxide; 4-Pyridinecarboxylic acid, 5-hydroxy-, 1-oxide; Isonicotinic acid, 5-hydroxy-, N-oxide
EINECS	Contact for details

Quality Control

Our 5-Hydroxyisonicotinic Acid N-Oxide is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing including HPLC, NMR, and mass spectrometry to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment and is available upon request.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%

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