2-Methyl-4-oxo-4-phenylbutyric acid
2-Methyl-4-oxo-4-phenylbutyric acid (CAS: 1771-65-9) is a specialised organic compound with the linear formula C 6 H 5 COCH 2 CH(CH 3 )CO 2 H. With a molecular weight of 192.21 g/mol, this carboxylic acid derivative serves as a valuable building block in chemical synthesis. It is primarily utilised in research and development settings for the creation of more complex organic molecules.

Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of various organic molecules. Its specific structure allows for further chemical modifications, making it useful in the development of novel compounds.
Research and Development
Utilised in laboratory settings for research purposes, 2-Methyl-4-oxo-4-phenylbutyric acid aids chemists in exploring new synthetic pathways and molecular structures.
Building Block for Complex Molecules
As an organic building block, it is incorporated into larger molecular frameworks. The presence of both ketone and carboxylic acid functionalities offers versatile reaction sites for synthetic chemists.
| Molecular weight | 192.21 |
|---|---|
| Linear formula | C6H5COCH2CH(CH3)CO2H |
| Assay | 98% |
| Melting point | 140-142 °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-Methyl-4-oxo-4-phenylbutyric acid used for?
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2-Methyl-4-oxo-4-phenylbutyric acid is used as a building block and intermediate in organic synthesis, primarily within research and development laboratories.
What are the CAS number and chemical formula for 2-Methyl-4-oxo-4-phenylbutyric acid?
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The CAS number is 1771-65-9, and the linear chemical formula is C 6 H 5 COCH 2 CH(CH 3 )CO 2 H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Methyl-4-oxo-4-phenylbutyric acid with an assay of 98%. This is a technical/research grade material, and TSS does not represent it as USP, BP, or EP grade.
What are the safety and handling recommendations for 2-Methyl-4-oxo-4-phenylbutyric acid?
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This compound is classified under WGK 2 (Germany). When handling, it is essential to use safety measures including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if respiratory protection is required.
How is 2-Methyl-4-oxo-4-phenylbutyric acid packed and shipped?
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Tech Serve Solutions can pack and ship chemicals globally to meet customer requirements. Please contact us for specific shipping and export details.
How can I request a quote or sample for 2-Methyl-4-oxo-4-phenylbutyric acid?
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To request a quote or sample, please use the 'Request a Quote' or 'Request a Sample' options on our product page, or contact our sales team directly.
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