4-(2-Bromopropionyl)phenoxyacetic acid
4-(2-Bromopropionyl)phenoxyacetic acid (CAS: 33254-93-2), a chemical compound with the formula C11H11BrO4 and a molecular weight of 287.11 g/mol, serves as a valuable building block in organic synthesis. Its bifunctional nature, incorporating both a reactive bromoacetyl group and a carboxylic acid moiety, makes it suitable for applications in chemical biology and the synthesis of complex molecules. This compound is supplied by Tech Serve Solutions for research and development purposes.

Organic Synthesis Intermediate
Utilised as a key intermediate in the construction of more complex organic molecules. The presence of both an electrophilic ketone and a carboxylic acid group allows for diverse derivatisation pathways.
Chemical Biology Research
Can be employed in chemical biology for the synthesis of probes or modified biomolecules. Its structure permits conjugation to various biological targets or surfaces.
Linker Synthesis
Serves as a precursor for creating bifunctional linkers used in conjugation chemistry. The distinct reactivity of its functional groups can be leveraged for sequential coupling reactions.
| Molecular weight | 287.11 |
|---|---|
| Empirical formula | C11H11BrO4 |
| Assay | ≥99.0% |
| Melting point | 139-142 °C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3335 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 4-(2-Bromopropionyl)phenoxyacetic acid used for?
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This compound is primarily used as an intermediate in organic synthesis and for applications in chemical biology, particularly in the creation of linkers and probes.
What is the CAS number and chemical formula for 4-(2-Bromopropionyl)phenoxyacetic acid?
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The CAS number is 33254-93-2, and the chemical formula is C11H11BrO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(2-Bromopropionyl)phenoxyacetic acid with an assay of ≥99.0%. It is supplied for research and development purposes and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should 4-(2-Bromopropionyl)phenoxyacetic acid be handled safely?
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This compound is classified as an irritant. Handle with appropriate personal protective equipment, including a dust mask (N95 type), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. Refer to the safety data sheet for full handling instructions.
Is this chemical a controlled substance?
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The provided data does not indicate that 4-(2-Bromopropionyl)phenoxyacetic acid is a controlled substance.
How is 4-(2-Bromopropionyl)phenoxyacetic acid packed and shipped?
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This chemical is packed and exported in compliance with international shipping regulations for hazardous materials. Specific packaging details are available upon request.
How can I request a sample or quote for 4-(2-Bromopropionyl)phenoxyacetic acid?
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To request a sample or a quote, please contact our sales department via the website or by calling our office, providing the product name and CAS number.
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