3-Bromo-2-oxobutyric acid methyl ester
3-Bromo-2-oxobutyric acid methyl ester (CAS: 34329-73-2, Formula: C5H7BrO3) is a valuable organic building block with a molecular weight of 195.01 g/mol. This alpha-bromo keto ester is employed in chemical synthesis for the construction of more complex molecules. Its utility extends to various research and development applications within the chemical and pharmaceutical industries.

Organic Synthesis Intermediate
This compound serves as a key intermediate in the synthesis of diverse organic molecules. The presence of both a bromine atom and a keto-ester functionality allows for a range of synthetic transformations.
Pharmaceutical Research
It can be utilised in the development pathways for novel pharmaceutical compounds. Its specific structure makes it suitable for creating targeted molecular frameworks.
Chemical Building Block
As an organic building block, it is integral for creating carbon-carbon bonds and introducing specific functional groups into larger molecular structures.
| Molecular weight | 195.01 |
|---|---|
| Empirical formula | C5H7BrO3 |

Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-43-52 |
| Safety statements (S) | 36/37 |
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 3-Bromo-2-oxobutyric acid methyl ester used for?
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3-Bromo-2-oxobutyric acid methyl ester is primarily used as an intermediate in organic synthesis and in pharmaceutical research.
What is the CAS number and formula for 3-Bromo-2-oxobutyric acid methyl ester?
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The CAS number is 34329-73-2 and the empirical formula is C5H7BrO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical as a research or technical grade. We do not represent it as USP, BP, EP, or pharmacopoeia grade.
What are the safety considerations for handling 3-Bromo-2-oxobutyric acid methyl ester?
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This compound is classified as a Warning. It is harmful if swallowed (H302) and may cause an allergic skin reaction (H317). Handle with appropriate personal protective equipment, including protective clothing and gloves (P280).
Can Tech Serve Solutions export 3-Bromo-2-oxobutyric acid methyl ester?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, pharmaceutical intermediates, and laboratory reagents.
How can I request a quote or sample?
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Please contact our sales team via the website or direct phone line to request a quote or a sample of 3-Bromo-2-oxobutyric acid methyl ester.
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