
2-Hydroxypyridine N-oxide
Chemical Name
2-Hydroxypyridine N-oxide
2-Hydroxypyridine N-oxide•Heterocyclic Compound
Structure: 

Product No
CH58002
CAS
13161-30-3
MF
C5H5NO2
MW
111.1
Specification
| Catalog No. | CH58002 |
| CAS No. | 13161-30-3 |
| Molecular Formula | C5H5NO2 |
| Molecular Weight | 111.1 |
| PubChem CID | 69975 |
| InChIKey | SNUSZUYTMHKCPM-UHFFFAOYSA-N |
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CHEMOS Support for This Category
CHEMOS supports heterocyclic building-block synthesis for medicinal chemistry, discovery chemistry, and process-development programs. Diverse heterocycles : substituted 5-, 6-, and 7-membered N/O/S heterocyclic intermediates. Custom synthesis : route design from substituted precursors or suitable starting materials. Cross-coupling chemistry : C-N, C-C, C-O, and related bond-forming steps can be evaluated by substrate. Route optimization : impurity control, purification strategy, and robust reaction-condition screening. Scale-up support : batch-size planning after feasibility and safety review.
Overview
2-Hydroxypyridine N-oxide is a hydroxypyridinone / pyridinol N-oxide heterocycle used in R&D chemistry involving organic synthesis, coordination chemistry, and chelation-focused studies. It is also referenced as 2-pyridinol-1-oxide, 1-hydroxy-2-pyridone, 1,2-HOPO, HOPO, and HPNO.
CH58002 is listed with CAS 13161-30-3, molecular formula C5H5NO2, molecular weight 111.1, PubChem CID 69975, and InChIKey SNUSZUYTMHKCPM-UHFFFAOYSA-N. Use the catalog CAS when matching the CHEMOS entry to literature names or reference records.
Applications
- Organic synthesis: used in literature involving hydroxypyridinone / pyridinol N-oxide chemistry and method-development work.
- Coordination and chelation studies: relevant to studies of hydroxypyridinone-type ligand behavior, pyridine N-oxide coordination, and metal-center interactions.
- Functional heterocycle work: a compact heterocyclic motif in literature that references HOPO, HPNO, or related pyridinol N-oxide naming.
Frequently Asked Questions
How is 2-Hydroxypyridine N-oxide used in R&D chemistry?
It appears in organic synthesis, coordination or chelation studies involving hydroxypyridinone-type ligands, and heterocycle work built around the pyridinol N-oxide motif.
What identifiers define CH58002?
Reference CH58002 with CAS 13161-30-3, molecular formula C5H5NO2, molecular weight 111.1, PubChem CID 69975, and InChIKey SNUSZUYTMHKCPM-UHFFFAOYSA-N.
Which alternate names should be checked in literature?
Check 2-pyridinol-1-oxide, 1-hydroxy-2-pyridone, 1,2-HOPO, HOPO, and HPNO. For CHEMOS catalog references, keep CAS 13161-30-3 as the primary identifier.
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