5-(4-Bromophenyl)isoxazole-3-carboxylic acid
5-(4-Bromophenyl)isoxazole-3-carboxylic acid (CAS: 33282-23-4) is a halogenated heterocyclic compound with the molecular formula C10H6BrNO3 and a molecular weight of 268.06 g/mol. This chemical serves as a valuable building block in organic synthesis and is utilised in chemical research. It is particularly relevant in the study of bioactive small molecules and cell biology research, often employed in chemical synthesis applications.

Chemical Synthesis
This compound is a versatile building block for constructing more complex organic molecules. Its functional groups allow for various synthetic transformations, making it useful in research and development settings.
Bioactive Small Molecule Research
As a bioactive small molecule, it can be used in studies exploring biological pathways and interactions. Researchers may investigate its potential in drug discovery or other life science applications.
Cell Biology Studies
The molecule's structure may lend itself to investigations within cell biology. It can be employed as a tool compound to probe cellular processes or as a starting material for generating probes.
Heterocyclic Chemistry
It is a key intermediate in the synthesis of various isoxazole derivatives and other halogenated heterocyclic compounds, furthering research in this specific chemical class.
| Molecular weight | 268.06 |
|---|---|
| Empirical formula | C10H6BrNO3 |
| Assay | 95% |
| Melting point | 200 °C (dec.) |

Hazard statements
- H302Harmful if swallowed
- 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 |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... PTPN1(5770) |
|---|
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 5-(4-Bromophenyl)isoxazole-3-carboxylic acid used for?
+
This compound is primarily used as a building block in chemical synthesis, particularly in the research of bioactive small molecules, cell biology, and the creation of novel heterocyclic compounds.
What are the CAS number and chemical formula for 5-(4-Bromophenyl)isoxazole-3-carboxylic acid?
+
The CAS number is 33282-23-4, and the empirical formula (Hill notation) is C10H6BrNO3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this chemical with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
How should 5-(4-Bromophenyl)isoxazole-3-carboxylic acid be handled?
+
Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid inhalation of dust and ensure adequate ventilation. Users should consult the Safety Data Sheet for comprehensive handling information.
Is this product a controlled substance?
+
Based on the provided data, there is no indication that this compound is a controlled substance.
How is this product shipped and exported?
+
Tech Serve Solutions specialises in the global supply and export of fine chemicals. Specific shipping and packaging details will be provided upon request, adhering to all relevant regulations.
How can I request a sample or quote for this product?
+
Please contact our sales team directly via our website or listed contact details to request a sample or a formal quotation for 5-(4-Bromophenyl)isoxazole-3-carboxylic acid.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis