5-Amino-4-(4-bromophenyl)isoxazole
5-Amino-4-(4-bromophenyl)isoxazole (CAS: 925007-32-5, Formula: C9H7BrN2O) is a heterocyclic building block with a molecular weight of 239.07 g/mol. It serves as a valuable intermediate in chemical synthesis, particularly for the development of novel organic compounds and potentially active pharmaceutical ingredients. Its structure, featuring an isoxazole ring and a bromophenyl substituent, offers versatile reactivity for further chemical transformations.
- IUPAC
- 4-(4-Bromophenyl)-isoxazole-5-yl amine

Organic Synthesis Intermediate
This compound functions as a key building block in multi-step organic synthesis. Its functional groups allow for various coupling reactions and derivatizations to construct more complex molecular architectures.
Pharmaceutical Research
As a heterocyclic amine derivative, it is explored in medicinal chemistry for the synthesis of potential drug candidates. The isoxazole scaffold is present in several known pharmaceuticals.
Materials Science
The bromo-substituted phenyl ring offers potential for incorporation into functional materials through cross-coupling reactions, influencing electronic or optical properties.
| Molecular weight | 239.07 |
|---|---|
| Empirical formula | C9H7BrN2O |
| Assay | 97% |
| Melting point | 143-147 °C |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| 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 5-Amino-4-(4-bromophenyl)isoxazole used for?
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5-Amino-4-(4-bromophenyl)isoxazole is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and potentially in materials science due to its heterocyclic structure and reactive functional groups.
What are the CAS number and formula for this compound?
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The CAS number for 5-Amino-4-(4-bromophenyl)isoxazole is 925007-32-5, and its molecular formula is C9H7BrN2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Amino-4-(4-bromophenyl)isoxazole with an assay of 97%. This compound is not supplied as USP, BP, or EP grade.
How should 5-Amino-4-(4-bromophenyl)isoxazole be handled?
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This compound is classified as Danger, with hazards including H301 (Toxic if swallowed), H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Handle with appropriate personal protective equipment in a well-ventilated area, avoiding ingestion, skin, and eye contact, and inhalation of dust.
How is this chemical packed and shipped?
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5-Amino-4-(4-bromophenyl)isoxazole is shipped as UN 2811, Class 6.1, Packing Group III, indicating it is a toxic solid. It is packed according to relevant transportation regulations for hazardous materials.
How can I request a sample or quote?
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To request a sample or a quote for 5-Amino-4-(4-bromophenyl)isoxazole, please contact the Tech Serve Solutions sales team through our website or designated contact channels.
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