2′,3′,4′,5′,6′-Pentamethylacetophenone
2′,3′,4′,5′,6′-Pentamethylacetophenone (CAS: 2040-01-9) is a distinctive organic compound with the molecular formula (CH3)5C6C(O)CH3 and a molecular weight of 190.28 g/mol. This substituted acetophenone is primarily utilised as a building block in chemical synthesis and organic chemistry research. Its specific structure makes it a valuable intermediate for creating more complex molecules within the C13 to C14 carbon range.
- Synonyms
- 5′,6′-Pentamethylacetophenone(CH3)5C6C(O)CH3

Organic Synthesis Intermediate
Serves as a versatile building block for the construction of complex organic molecules. Its unique pentamethylphenyl ketone structure allows for specific chemical transformations in multi-step syntheses.
Research and Development
Essential reagent in academic and industrial R&D laboratories for exploring new synthetic pathways and developing novel chemical entities. Utilised in the study of substituted aromatic ketones.
Material Science Precursor
May be employed in the synthesis of specialized polymers or materials where its specific aromatic and carbonyl functionalities are advantageous.
| Molecular weight | 190.28 |
|---|---|
| Linear formula | (CH3)5C6C(O)CH3 |
| Assay | 98% |
| Melting point | 84-86 °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.
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′,3′,4′,5′,6′-Pentamethylacetophenone used for?
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This compound is primarily used as a building block in organic synthesis and as a reagent in chemical research and development, particularly for creating complex molecules.
What is the CAS number and molecular formula for 2′,3′,4′,5′,6′-Pentamethylacetophenone?
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The CAS number is 2040-01-9, and the molecular formula is (CH3)5C6C(O)CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2′,3′,4′,5′,6′-Pentamethylacetophenone with a minimum purity of 98%. This product is intended for research and laboratory use and is not supplied as USP, BP, EP, nutraceutical, or food grade.
What are the safety and handling recommendations for this chemical?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or P1 (EN143) respirator filter is recommended. The substance is classified under WGK 2 in Germany, indicating it is hazardous to water.
How is 2′,3′,4′,5′,6′-Pentamethylacetophenone packed and shipped?
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Tech Serve Solutions exports chemicals globally. Products are carefully packed according to international regulations for safe transport. Contact us for specific shipping and export details.
How can I request a sample or quote for 2′,3′,4′,5′,6′-Pentamethylacetophenone?
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You can request a sample or a detailed quote by contacting our sales team through the website or by calling us directly. Please specify the required quantity and your shipping destination.
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