6-Hydroxy Nicotinic acid

Name: 6-Hydroxy Nicotinic acid
Brand: Vaqora Chemicals
SKU: VQ-032145

About 6-Hydroxy Nicotinic acid

6-Hydroxy Nicotinic acid is a metabolite or degradation product of Niacin carrying the CAS registry number 5006-66-6. The compound has the formula C6H5NO3, corresponding to a molecular weight of 139.11 g/mol. The IUPAC name is 6-oxo-1H-pyridine-3-carboxylic acid. Alternative names: 6-hydroxypyridine-3-carboxylic acid and 2-Pyridone-5-carboxylic acid.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the 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 of Niacin, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 6-Hydroxy Nicotinic acid in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Niacin

View every impurity, metabolite and intermediate we list for Niacin.

Niacin impurities

Specifications & identifiers

Chemical identifiers
Product name	6-Hydroxy Nicotinic acid
Catalogue No.	VQ-032145
CAS Number	5006-66-6
IUPAC name	6-oxo-1H-pyridine-3-carboxylic acid
Molecular formula	C₆H₅NO₃
Molecular weight	139.11 g/mol
Exact mass	139.0269
Grade	Reference Standard
HSN code	38229090
InChIKey	BLHCMGRVFXRYRN-UHFFFAOYSA-N
SMILES	C1=CC(=O)NC=C1C(=O)O
PubChem CID	72924

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.5
H-bond donors / acceptors	2 / 3
TPSA	66.4 Å²
Synonyms	6-hydroxypyridine-3-carboxylic acid, 2-Pyridone-5-carboxylic acid, 3-Pyridinecarboxylic acid, 1,6-dihydro-6-oxo-, 2-Hydroxy-5-pyridinecarboxylic acid, 6-oxo-1,6-dihydropyridine-3-carboxylic acid, 6-Hydroxynicotinate, 2-Hydroxypyridine-5-carboxylic acid, 6-hydroxyniacin, 6-oxonicotinic acid, 1,6-Dihydro-6-oxo-3-pyridinecarboxylic acid

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 6-Hydroxy Nicotinic acid?

The CAS Registry Number of 6-Hydroxy Nicotinic acid is 5006-66-6. It is also known as 6-hydroxypyridine-3-carboxylic acid, 2-Pyridone-5-carboxylic acid, 3-Pyridinecarboxylic acid, 1,6-dihydro-6-oxo-.

What is the molecular formula and molecular weight of 6-Hydroxy Nicotinic acid?

6-Hydroxy Nicotinic acid has the molecular formula C6H5NO3 and a molecular weight of 139.11 g/mol. Its IUPAC name is 6-oxo-1H-pyridine-3-carboxylic acid.

What is 6-Hydroxy Nicotinic acid used for?

6-Hydroxy Nicotinic acid is supplied as a characterised reference material related to Niacin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 6-Hydroxy Nicotinic acid can I order?

We supply 6-Hydroxy Nicotinic acid in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 6-Hydroxy Nicotinic acid?

Yes. Every lot of 6-Hydroxy Nicotinic acid 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 6-Hydroxy Nicotinic acid be shipped internationally?

Yes. 6-Hydroxy Nicotinic acid 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.