3,4-Dihydro-6-methyl-2H-pyran-2-one
3,4-Dihydro-6-methyl-2H-pyran-2-one (CAS: 3740-59-8), with the empirical formula C6H8O2 and a molecular weight of 112.13 g/mol, is a heterocyclic organic compound. It serves as a versatile building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. This pyran derivative is primarily utilised in research and development laboratories for the creation of more complex molecular structures. Its distinct chemical properties make it a valuable intermediate for organic chemists.
- Synonyms
- C6H8O2

Organic Synthesis Intermediate
3,4-Dihydro-6-methyl-2H-pyran-2-one is employed as a key intermediate in the synthesis of various organic compounds. Its structure lends itself to diverse chemical transformations, enabling the construction of complex molecular frameworks.
Heterocyclic Chemistry
This compound is a valuable reagent within heterocyclic chemistry. It is used in the development of novel heterocyclic systems, contributing to advancements in medicinal chemistry and materials science.
Research and Development
Utilised in academic and industrial R&D settings, this pyran derivative facilitates the exploration of new synthetic routes and the discovery of novel chemical entities. Its availability supports ongoing research projects.
| Molecular weight | 112.13 |
|---|---|
| Empirical formula | C6H8O2 |
| Assay | 97% |
| Boiling point | 82-83 °C/15 mmHg(lit.) |
| Density | 1.09 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4677(lit.) |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 79 °C / 174.2 °F |
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets 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.
What is 3,4-Dihydro-6-methyl-2H-pyran-2-one used for?
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3,4-Dihydro-6-methyl-2H-pyran-2-one is primarily used as a versatile building block and intermediate in organic synthesis, particularly within heterocyclic chemistry and for research and development purposes.
What is the CAS number and empirical formula for 3,4-Dihydro-6-methyl-2H-pyran-2-one?
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The CAS number for 3,4-Dihydro-6-methyl-2H-pyran-2-one is 3740-59-8, and its empirical formula is C6H8O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4-Dihydro-6-methyl-2H-pyran-2-one with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 3,4-Dihydro-6-methyl-2H-pyran-2-one be handled safely?
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Safe handling of 3,4-Dihydro-6-methyl-2H-pyran-2-one requires appropriate personal protective equipment, including eyeshields and gloves. A half-mask respirator (EU or US) or a multi-purpose combination respirator cartridge (US) may also be necessary. Refer to the safety data sheet for comprehensive guidance. It has a flash point of 79 °C.
How is this chemical packed and shipped by TSS?
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Tech Serve Solutions professionally packs and exports fine chemicals, pharmaceutical intermediates, and laboratory reagents globally, adhering to all necessary regulations for safe transit.
How can I request a quote or sample of 3,4-Dihydro-6-methyl-2H-pyran-2-one?
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To request a quote or sample of 3,4-Dihydro-6-methyl-2H-pyran-2-one, please contact our sales team via the website or by phone. Provide the CAS number (3740-59-8) for prompt service.
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