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Metabolites & Degradation Products

1-Hydroxy-2(1H)-pyridinone

Reference StandardAvailable on request

Buy 1-Hydroxy-2(1H)-pyridinone (CAS 822-89-9) from Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
1-Hydroxy-2(1H)-pyridinone chemical structure
CAS number822-89-9
FormulaC5H5NO2
Molar mass111.1 g/mol
Physical formSolid
HS code38229090
InChIKeySNUSZUYTMHKCPM-UHFFFAOYSA-N
IUPAC name1-hydroxypyridin-2-one

About 1-Hydroxy-2(1H)-pyridinone

1-Hydroxy-2(1H)-pyridinone belongs to the Glecaprevir reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 822-89-9, formula C5H5NO2 and molar mass 111.1 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Storage and safety notes

Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Glecaprevir

See every impurity, metabolite and related compound we list for this API.

Glecaprevir standards

Typical uses

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Applications

Specifications and identifiers

Specifications of 1-Hydroxy-2(1H)-pyridinone
Product name1-Hydroxy-2(1H)-pyridinone
Catalogue numberZX-029750
CAS number822-89-9
IUPAC name1-hydroxypyridin-2-one
Molecular formulaC5H5NO2
Molar mass111.1 g/mol
Exact mass111.032
GradeReference Standard
Physical formSolid
XLogP3-0.7
H-bond donors / acceptors1 / 2
Topological polar surface area40.5 Ų
HS code38229090
InChIKeySNUSZUYTMHKCPM-UHFFFAOYSA-N
SMILESC1=CC(=O)N(C=C1)O
PubChem CID69975
Synonyms2-Pyridinol-1-oxide, 2-Hydroxypyridine 1-oxide, Hydroxypyridinone, 1-Hydroxy-2-pyridone, 2-Pyridinol, 1-oxide, 2(1H)-Pyridinone, 1-hydroxy-, Hydroxyl-2-pyridone, N-hydroxy-2-pyridone, N-Hydroxyl-2-pyridone, 1-hydroxy-2(1H)-pyridone, 2-Pyridinol, N-oxide, 1,2-HOPO

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 1-Hydroxy-2(1H)-pyridinone
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 1-Hydroxy-2(1H)-pyridinone

Which CAS number identifies 1-Hydroxy-2(1H)-pyridinone?
1-Hydroxy-2(1H)-pyridinone is registered under CAS 822-89-9. You may also see it listed as 2-Pyridinol-1-oxide, 2-Hydroxypyridine 1-oxide, Hydroxypyridinone. Our catalogue number for this item is ZX-029750.
What are the formula and molar mass of 1-Hydroxy-2(1H)-pyridinone?
For 1-Hydroxy-2(1H)-pyridinone, its formula is C5H5NO2 and its molar mass is 111.1 g/mol. The systematic (IUPAC) name is 1-hydroxypyridin-2-one. InChIKey SNUSZUYTMHKCPM-UHFFFAOYSA-N lets you match it in any structure database.
How is 1-Hydroxy-2(1H)-pyridinone used in pharmaceutical QC?
1-Hydroxy-2(1H)-pyridinone is a characterised reference material linked to Glecaprevir. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for 1-Hydroxy-2(1H)-pyridinone?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 1-Hydroxy-2(1H)-pyridinone?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 1-Hydroxy-2(1H)-pyridinone to my country?
Yes. Because 1-Hydroxy-2(1H)-pyridinone is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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