Tech Serve Solutions

5,6-Dihydro-2H-pyran-2-one

CAS 3393-45-1C5H6O2Chemical Synthesis

5,6-Dihydro-2H-pyran-2-one (CAS 3393-45-1), molecular formula C5H6O2, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

5,6-Dihydro-2H-pyran-2-one
Building BlocksChemical SynthesisHeterocyclic Building BlocksPyrans
01 /Properties
Molecular weight98.10
Empirical formulaC5H6O2
Assay90%
Gradetechnical grade
Boiling point103 °C/10 mmHg(lit.)
Density1.139 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.483(lit.)
Storage temperature2-8°C
Application5,6-Dihydro-2H-pyran-2-one has been used in the preparation of:• (1aR,5aR,5bS,6S,7S)-6,7-di-tert-butoxy-5-oxo-pyrrolidino[1,2-b]isoxazolidino[4,5-c]tetrahydropyran1• 4-(phenyl)tetrahydro-2H-pyran-2-one2
02 /Safety & handling
Flammable
Flammable
Warning

Hazard statements

  • H226Flammable liquid and vapour
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point46 °C / 114.8 °F
Transport (UN / ADR)UN 1224C 3 / PGIII
Water hazard class (WGK, DE)3
Risk statements (R)10
Safety statements (S)23-24/25

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

03 /Identifiers & registry
CAS number
3393-45-1
MDL number
MFCD00010439
PubChem substance
24855858
Beilstein registry
1610
04 /Quality & supply

Documentation

Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

05 /Frequently asked questions

What is 5,6-Dihydro-2H-pyran-2-one?

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5,6-Dihydro-2H-pyran-2-one (CAS 3393-45-1), molecular formula C5H6O2, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of 5,6-Dihydro-2H-pyran-2-one does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 5,6-Dihydro-2H-pyran-2-one in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.

What is the CAS number and molecular formula of 5,6-Dihydro-2H-pyran-2-one?

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5,6-Dihydro-2H-pyran-2-one has CAS number 3393-45-1 and molecular formula C5H6O2. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for 5,6-Dihydro-2H-pyran-2-one?

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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.

Do you provide a Certificate of Analysis (CoA) with each shipment?

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Yes. Every batch of 5,6-Dihydro-2H-pyran-2-one ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.

How should 5,6-Dihydro-2H-pyran-2-one be stored?

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Store 5,6-Dihydro-2H-pyran-2-one in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.

What is 5,6-Dihydro-2H-pyran-2-one used for?

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5,6-Dihydro-2H-pyran-2-one is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.

How do I request a quote for 5,6-Dihydro-2H-pyran-2-one?

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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.

Need 5,6-Dihydro-2H-pyran-2-one in a specific grade or volume?

Request a quote