2-Hydroxypyridine-N-Oxide

Name: 2-Hydroxypyridine-N-Oxide
Brand: Vaqora Chemicals
SKU: VQ-007087

About 2-Hydroxypyridine-N-Oxide

Vaqora Chemicals supplies 2-Hydroxypyridine-N-Oxide, a metabolite / degradant standard registered under CAS number 13161-30-3. Its molecular formula is C5H5NO2 and its molecular weight is 111.1 g/mol. The IUPAC name is 1-hydroxypyridin-2-one. Common synonyms include Oxypyrion and 2-Hydroxypyridin-1-ium-1-olate.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Analytical teams use this compound to identify metabolites and degradants, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 2-Hydroxypyridine-N-Oxide in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. Stock is available for quick dispatch.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Specifications & identifiers

Chemical identifiers
Product name	2-Hydroxypyridine-N-Oxide
Catalogue No.	VQ-007087
CAS Number	13161-30-3
IUPAC name	1-hydroxypyridin-2-one
Molecular formula	C₅H₅NO₂
Molecular weight	111.1 g/mol
Exact mass	111.032
Grade	Reference Standard
HSN code	38229090
InChIKey	SNUSZUYTMHKCPM-UHFFFAOYSA-N
SMILES	C1=CC(=O)N(C=C1)O
PubChem CID	69975

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.7
H-bond donors / acceptors	1 / 2
TPSA	40.5 Å²
Synonyms	Oxypyrion, 2-Hydroxypyridin-1-ium-1-olate, 2-Hydroxypyridine 1-oxide, 1-Oxypyridin-2-ol, 2-Pyridinol N-oxide, 2-Pyridinol-1-oxide, Hydroxypyridinone, 1-Hydroxy-2-pyridone, 2-Pyridinol, 1-oxide, 1-hydroxy-2(1h)-pyridinone, 2(1H)-Pyridinone, 1-hydroxy-, Hydroxyl-2-pyridone

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 2-Hydroxypyridine-N-Oxide?

The CAS Registry Number of 2-Hydroxypyridine-N-Oxide is 13161-30-3. It is also known as Oxypyrion, 2-Hydroxypyridin-1-ium-1-olate, 2-Hydroxypyridine 1-oxide.

What is the molecular formula and molecular weight of 2-Hydroxypyridine-N-Oxide?

2-Hydroxypyridine-N-Oxide has the molecular formula C5H5NO2 and a molecular weight of 111.1 g/mol. Its IUPAC name is 1-hydroxypyridin-2-one.

Which grade and pack sizes of 2-Hydroxypyridine-N-Oxide can I order?

We supply 2-Hydroxypyridine-N-Oxide in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-Hydroxypyridine-N-Oxide?

Yes. Every lot of 2-Hydroxypyridine-N-Oxide is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 2-Hydroxypyridine-N-Oxide be shipped internationally?

Yes. 2-Hydroxypyridine-N-Oxide is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.