2-Methyl-1,3-cyclopentanedione
2-Methyl-1,3-cyclopentanedione (CAS 765-69-5), a cyclic diketone with the molecular formula C6H8O2, presents as a key organic building block. Its structure, featuring two carbonyl groups on a five-membered ring with a methyl substituent, lends itself to diverse synthetic applications. Utilised in chemical synthesis and cell biology research, this compound serves as a valuable reagent for constructing more complex molecular architectures.
- Synonyms
- CH3C5H5(=O)2

Organic Synthesis Reagent
2-Methyl-1,3-cyclopentanedione functions as a versatile building block in organic synthesis. Its diketone functionality allows for various chemical transformations, enabling the construction of novel carbon skeletons and heterocyclic compounds.
Research Chemical in Cell Biology
This compound is employed in cell biology research, potentially as a tool to probe specific biological pathways or as a precursor for synthesising biologically active molecules. Its applications are centred on fundamental scientific investigation.
Intermediate for Complex Molecules
The reactive diketone system in 2-Methyl-1,3-cyclopentanedione makes it a useful intermediate for synthesising more complex organic structures, including potential pharmaceutical scaffolds or fine chemicals.
| Molecular weight | 112.13 |
|---|---|
| Linear formula | CH3C5H5(=O)2 |
| Assay | ≥98.0% (GC) |
| Grade | purum |
| Melting point | 212-215 °C (Lit.)212-215 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| 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.
| Gene Information | human ... ACHE(43), BCHE(590), CES1(1066) |
|---|
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 2-Methyl-1,3-cyclopentanedione primarily used for?
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2-Methyl-1,3-cyclopentanedione is primarily used as a versatile building block in organic synthesis and as a research chemical in cell biology.
What are the CAS number and molecular formula for 2-Methyl-1,3-cyclopentanedione?
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The CAS number is 765-69-5 and the molecular formula is C6H8O2.
What grade and purity does Tech Serve Solutions supply for 2-Methyl-1,3-cyclopentanedione?
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Tech Serve Solutions supplies 2-Methyl-1,3-cyclopentanedione with a purity of ≥98.0% (GC) in 'purum' grade. This is a technical grade, and not represented as USP, BP, or EP.
What safety precautions should be taken when handling 2-Methyl-1,3-cyclopentanedione?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Consult the safety data sheet for full guidance, noting the WGK Germany rating of 3.
How is 2-Methyl-1,3-cyclopentanedione typically packed and shipped by TSS?
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Tech Serve Solutions exports chemicals globally, ensuring appropriate packaging for safe transport and compliance with international shipping regulations.
How can I request a quote or sample for 2-Methyl-1,3-cyclopentanedione?
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To request a quote or sample, please contact our sales team through the website or by phone, providing the product name and CAS number (765-69-5).
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