Ethyl 3-methyl-2-oxobutyrate
Ethyl 3-methyl-2-oxobutyrate (CAS 20201-24-5) is an organic compound with the linear formula (CH3)2CHCOCOOCH2CH3 and a molecular weight of 144.17 g/mol. This ester is a versatile building block in organic synthesis, particularly useful for creating more complex molecules. Supplied by Tech Serve Solutions with an assay of 97%, it is a valuable reagent for chemical research and development, facilitating advancements in various scientific fields.
- IUPAC
- Ethyl dimethylpyruvate,Ketovaline ethyl ester
- Synonyms
- Ethyl dimethylpyruvateKetovaline ethyl ester

Organic Synthesis Intermediate
Ethyl 3-methyl-2-oxobutyrate serves as a key intermediate in the synthesis of complex organic molecules. It is particularly valuable in the construction of substituted carboxylic acids and related derivatives.
Pharmaceutical Research
This compound has been utilised in the synthesis of specific chiral molecules with potential pharmaceutical applications. For instance, it was used in the synthesis of (2SR,4SR)-5(S)-(N-Boc)-amino-6-cyclohexyl-4-hydroxy-2-isopropyl hexanoic acid.
Fine Chemical Manufacturing
As a readily available carbonyl compound and ester, Ethyl 3-methyl-2-oxobutyrate is employed in the fine chemical industry for the development of novel compounds and materials.
| Molecular weight | 144.17 |
|---|---|
| Linear formula | (CH3)2CHCOCOOCH2CH3 |
| Assay | 97% |
| Boiling point | 62 °C/11 mmHg(lit.) |
| Density | 0.989 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.410(lit.) |
| Storage temperature | 2-8°C |
| Application | Ethyl 3-methyl-2-oxobutyrate was used in the synthesis of (2SR,4SR)-5(S)-(N-Boc)-amino-6-cyclohexyl-4-hydoxy-2-isopropyl hexanoic acid1. |

Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 43 °C / 109.4 °F |
| Transport (UN / ADR) | UN 3272 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
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 Ethyl 3-methyl-2-oxobutyrate used for?
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Ethyl 3-methyl-2-oxobutyrate is primarily used as a building block in organic synthesis, including research in pharmaceutical chemistry for the creation of complex molecules.
What is the CAS number and formula for Ethyl 3-methyl-2-oxobutyrate?
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The CAS number is 20201-24-5, and its linear formula is (CH3)2CHCOCOOCH2CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl 3-methyl-2-oxobutyrate with a minimum assay of 97%. We do not represent this product as USP, BP, EP or other pharmacopoeia grades.
How should Ethyl 3-methyl-2-oxobutyrate be handled safely?
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Ethyl 3-methyl-2-oxobutyrate is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Store at 2-8°C. Refer to the Safety Data Sheet for full handling instructions.
Is Ethyl 3-methyl-2-oxobutyrate exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Ethyl 3-methyl-2-oxobutyrate.
How can I request a sample or quote for Ethyl 3-methyl-2-oxobutyrate?
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To request a sample or a quote, please contact our sales team via the website or direct email, providing your specific requirements and shipping details.
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