4-Hydroxy-6-methyl-2-pyrone

Name: 4-Hydroxy-6-methyl-2-pyrone
Brand: Vaqora Chemicals
SKU: VQ-042278

About 4-Hydroxy-6-methyl-2-pyrone

4-Hydroxy-6-methyl-2-pyrone (CAS 675-10-5) is a metabolite or degradation product of Streptomycin offered by Vaqora Chemicals. The compound has the formula C6H6O3, corresponding to a molecular weight of 126.11 g/mol. Systematically, it is named 4-hydroxy-6-methylpyran-2-one. Alternative names: 4-Hydroxy-6-methyl-2H-pyran-2-one and Triacetic acid lactone.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Streptomycin, as well as in QC testing and ANDA/DMF documentation. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Streptomycin

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

Streptomycin impurities

Specifications & identifiers

Chemical identifiers
Product name	4-Hydroxy-6-methyl-2-pyrone
Catalogue No.	VQ-042278
CAS Number	675-10-5
IUPAC name	4-hydroxy-6-methylpyran-2-one
Molecular formula	C₆H₆O₃
Molecular weight	126.11 g/mol
Exact mass	126.0317
Grade	Reference Standard
HSN code	38229090
InChIKey	NSYSSMYQPLSPOD-UHFFFAOYSA-N
SMILES	CC1=CC(=CC(=O)O1)O
PubChem CID	54675757

Physical properties
Physical form	Solid
LogP (XLogP3)	0.5
H-bond donors / acceptors	1 / 3
TPSA	46.5 Å²
Synonyms	4-Hydroxy-6-methyl-2H-pyran-2-one, Triacetic acid lactone, Triacetate lactone, 2-Hydroxy-6-methyl-4H-pyran-4-one, 6-Methyl-4-hydroxypyron-(2), 4-Hydroxy-6-methylpyran-4-one, 6-Methyl-4-hydroxypyran-2-one, 4-hydroxy-6-methyl-pyran-2-one, 6-methyl-4-oxidanyl-pyran-2-one, 6-methyl-4-hydroxy-2-pyrone, 2-hydroxy-6-methyl-pyran-4-one, 3,5-Dihydroxysorbic acid delta-lactone

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 4-Hydroxy-6-methyl-2-pyrone?

The CAS Registry Number of 4-Hydroxy-6-methyl-2-pyrone is 675-10-5. It is also known as 4-Hydroxy-6-methyl-2H-pyran-2-one, Triacetic acid lactone, Triacetate lactone.

What is the molecular formula and molecular weight of 4-Hydroxy-6-methyl-2-pyrone?

4-Hydroxy-6-methyl-2-pyrone has the molecular formula C6H6O3 and a molecular weight of 126.11 g/mol. Its IUPAC name is 4-hydroxy-6-methylpyran-2-one.

What is 4-Hydroxy-6-methyl-2-pyrone used for?

4-Hydroxy-6-methyl-2-pyrone is supplied as a characterised reference material related to Streptomycin. 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 4-Hydroxy-6-methyl-2-pyrone can I order?

We supply 4-Hydroxy-6-methyl-2-pyrone 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 4-Hydroxy-6-methyl-2-pyrone?

Yes. Every lot of 4-Hydroxy-6-methyl-2-pyrone 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 4-Hydroxy-6-methyl-2-pyrone be shipped internationally?

Yes. 4-Hydroxy-6-methyl-2-pyrone 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.