4-Bromo-3,5-dimethylisoxazole
4-Bromo-3,5-dimethylisoxazole (CAS: 10558-25-5) is a halogenated heterocyclic compound with the molecular formula C5H6BrNO and a molecular weight of 176.01 g/mol. This isoxazole derivative serves as a valuable building block in organic synthesis, particularly for the construction of more complex molecules within pharmaceutical and chemical research. Its reactive bromine atom allows for diverse functionalisation, making it a key intermediate in various synthetic pathways.
- Synonyms
- C5H6BrNO

Organic Synthesis Intermediate
Utilised as a building block in multi-step organic synthesis. The presence of the bromine atom facilitates nucleophilic substitution and cross-coupling reactions, enabling the introduction of various functional groups.
Pharmaceutical Research
A key component in the development of novel pharmaceutical compounds. Its heterocyclic structure is found in various biologically active molecules, making it a valuable starting material for drug discovery.
Chemical Research and Development
Employed in R&D laboratories for the synthesis of new chemical entities and the exploration of novel reaction mechanisms. Its specific substitution pattern offers unique reactivity profiles.
| Molecular weight | 176.01 |
|---|---|
| Empirical formula | C5H6BrNO |
| Assay | 95% |
| Boiling point | 176 °C(lit.) |
| Density | 1.478 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.486(lit.) |
| Storage temperature | 2-8°C |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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-Bromo-3,5-dimethylisoxazole used for?
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4-Bromo-3,5-dimethylisoxazole (CAS: 10558-25-5) is primarily used as a building block in organic synthesis and in pharmaceutical and chemical research and development for creating new compounds.
What are the CAS number and formula for 4-Bromo-3,5-dimethylisoxazole?
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The CAS number is 10558-25-5 and the empirical formula is C5H6BrNO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromo-3,5-dimethylisoxazole with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
How should 4-Bromo-3,5-dimethylisoxazole be handled and stored?
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Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. Store at 2-8°C. It is classified under WGK Germany 3.
Is 4-Bromo-3,5-dimethylisoxazole a controlled substance?
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The provided data does not indicate that 4-Bromo-3,5-dimethylisoxazole is a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions professionally packs, ships, and exports chemicals globally, adhering to all relevant regulations for safe transport.
How can I request a quote or sample?
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Please contact our sales team via the website to request a quote or sample for 4-Bromo-3,5-dimethylisoxazole.
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