Methyl acetopyruvate
Methyl acetopyruvate (CAS: 20577-61-1), with the molecular formula C6H8O4 and a molecular weight of 144.13 g/mol, is a versatile organic compound. It features a characteristic keto-ester structure, making it a valuable intermediate in organic synthesis. This compound is primarily employed as a building block in the preparation of more complex molecules for various chemical research and development applications. Stored under refrigeration at 2-8°C, it maintains its integrity for laboratory use.
- IUPAC
- 1-Methoxy-1,2,4-pentanetrione,Methyl β-acetylpyruvate,Methyl 2,4-dioxopentanoate,Methyl 2,4-dioxovalerate,Methyl 3-acetylpyruvate
- Synonyms
- 1-Methoxy-1,2,4-pentanetrioneMethyl β-acetylpyruvateMethyl 2,4-dioxopentanoateMethyl 2,4-dioxovalerateMethyl 3-acetylpyruvate

Organic Synthesis Intermediate
Methyl acetopyruvate serves as a key building block in the construction of diverse organic molecules. Its keto-ester functionality allows for a range of chemical transformations, facilitating the synthesis of complex compounds.
Research and Development
Utilised in chemical research laboratories, this compound aids in exploring new synthetic pathways and developing novel chemical entities. Its specific structure is beneficial for targeted synthesis projects.
Carbonyl Compound Chemistry
As a representative of carbonyl compounds, methyl acetopyruvate is used to study and advance reactions involving ketone and ester groups. This contributes to a deeper understanding of organic reaction mechanisms.
| Molecular weight | 144.13 |
|---|---|
| Empirical formula | C6H8O4 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 60-65 °C |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| Safety statements (S) | 26 |
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 Methyl acetopyruvate used for?
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Methyl acetopyruvate is primarily used as a building block in organic synthesis and for research and development purposes in chemical laboratories.
What are the CAS number and formula for Methyl acetopyruvate?
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The CAS number for Methyl acetopyruvate is 20577-61-1, and its molecular formula is C6H8O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl acetopyruvate with an assay of 97%. This product is intended for research and technical use and is not represented as USP, BP, EP, or other pharmacopoeia grades.
What are the safety precautions for handling Methyl acetopyruvate?
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Methyl acetopyruvate is classified as a Warning substance (GHS07) due to H319 (Causes serious eye irritation). When handling, wear Eyeshields, Gloves, and a dust mask type N95 (US). In case of contact with eyes, rinse cautiously with water for several minutes, removing contact lenses if present and easy to do. Continue rinsing (P305 + P351 + P338).
How is Methyl acetopyruvate packed, shipped, and exported?
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Tech Serve Solutions, a specialist global supplier and exporter since 1998, ensures appropriate packaging for Methyl acetopyruvate, adhering to regulations for domestic and international shipments.
How can I request a sample or quote for Methyl acetopyruvate?
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To request a sample or a quote for Methyl acetopyruvate, please contact our sales team via the website or by telephone, providing your specific requirements.
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