5-(4-Bromophenyl)furfural
5-(4-Bromophenyl)furfural (CAS: 20005-42-9, Formula: C11H7BrO2, MW: 251.08) is a furan derivative featuring a bromophenyl substituent and an aldehyde functional group. This organobromine compound serves as a valuable building block in organic synthesis, particularly in the development of novel heterocyclic compounds and pharmaceuticals. Its defined structure allows for regioselective reactions, making it a key intermediate for researchers and chemists.
- IUPAC
- 5-(4-Bromophenyl)-2-furancarboxaldehyde

Organic Synthesis Intermediate
Utilised as a precursor in the synthesis of complex organic molecules, including pharmaceuticals and agrochemicals. The furan ring and aldehyde group offer versatile reaction sites for further chemical transformations.
Medicinal Chemistry Research
Incorporated into the design and synthesis of potential drug candidates due to its heterocyclic nature and the presence of a reactive aldehyde and a bromine atom for further functionalization.
Materials Science
Can be employed in the development of novel functional materials where its structural features contribute to desired electronic or optical properties.
| Molecular weight | 251.08 |
|---|---|
| Empirical formula | C11H7BrO2 |
| Assay | 97% |
| Melting point | 152-155 °C(lit.) |

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 |
|---|---|
| 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 5-(4-Bromophenyl)furfural used for?
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5-(4-Bromophenyl)furfural is primarily used as an intermediate in organic synthesis and medicinal chemistry research for the construction of more complex molecules.
What are the CAS number and formula for 5-(4-Bromophenyl)furfural?
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The CAS number is 20005-42-9 and the empirical formula is C11H7BrO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-(4-Bromophenyl)furfural with a purity of 97%. We do not represent this product as USP, BP, or EP grade.
What are the main safety hazards associated with 5-(4-Bromophenyl)furfural?
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5-(4-Bromophenyl)furfural is classified as a Warning. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment including eyeshields, gloves, and a dust mask (N95) should be used.
How is 5-(4-Bromophenyl)furfural packed and shipped?
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As a global supplier, Tech Serve Solutions professionally packs and exports chemicals worldwide, adhering to all necessary shipping regulations.
How can I request a sample or quote for 5-(4-Bromophenyl)furfural?
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Please contact our sales team via the website or phone to request a sample or a quotation for 5-(4-Bromophenyl)furfural.
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