Intermediates

2-Pyridinol-1-oxide

  • CAS No.13161-30-3
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 2-Pyridinol-1-oxide (≥99.0% by HPLC), widely used as a condensation reagent in organic and pharmaceutical synthesis.

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Product Technical Details

Product Overview

2-Pyridinol-1-oxide is a valuable heterocyclic intermediate extensively employed in advanced organic synthesis, particularly as a condensation reagent in the construction of complex molecular architectures. With a molecular formula of C5H5NO2 and a molecular weight of 111.10 g/mol, this compound features a unique N-oxide functional group adjacent to a hydroxyl substituent on the pyridine ring, conferring distinctive reactivity and selectivity in synthetic transformations.

Specifications

Molecular FormulaC5H5NO2
Molecular Weight111.10 g/mol
CAS Number13161-30-3
AppearanceYellow brown powder
Purity (HPLC)≥99.0%
Melting Point149–152°C
Boiling Point252.3°C
Density1.431 g/cm³
Refractive Index1.554
Flash Point100°C
StorageStore in a cool, ventilated place
Packaging25 kg/drum; custom packaging available upon request

Industrial Applications

As a specialized condensation reagent, 2-Pyridinol-1-oxide plays a critical role in the synthesis of active pharmaceutical ingredients (APIs), agrochemicals, and fine chemicals. Its dual functionality enables efficient formation of carbon–heteroatom and carbon–carbon bonds under mild conditions. Key applications include:

  • Facilitating amide and ester bond formations in peptide mimetics and small-molecule therapeutics
  • Serving as a ligand precursor or directing group in transition-metal-catalyzed reactions
  • Acting as a building block for nitrogen-containing heterocycles in medicinal chemistry programs

Manufactured under stringent quality control protocols, our 2-Pyridinol-1-oxide meets global regulatory standards for industrial-scale chemical production and is supported by comprehensive documentation including Certificates of Analysis (COA) and safety data sheets.