3-Bromo-7-fluorochromone
3-Bromo-7-fluorochromone (CAS: 1159978-73-0) is a heterocyclic organic compound with the molecular formula C9H4BrFO2 and a molecular weight of 243.03 g/mol. This fluorinated building block is valuable in chemical synthesis, particularly for constructing more complex chromone derivatives. Its structure, featuring both bromine and fluorine substituents on the chromone core, offers versatile reactivity for medicinal chemistry and materials science research.
- IUPAC
- 3-Bromo-7-fluoro-4H-benzopyran-4-one,3-Bromo-7-fluoro-4H-chromen-4-one

Pharmaceutical Intermediate Synthesis
Utilised as a key building block in the synthesis of novel pharmaceutical candidates. The presence of the bromo and fluoro groups allows for diverse derivatisation in drug discovery programmes.
Medicinal Chemistry Research
A valuable scaffold for designing and synthesising potential therapeutic agents. It can be incorporated into molecules targeting various biological pathways due to the unique electronic properties conferred by the fluorine atom.
Materials Science
Investigated for its potential incorporation into functional materials. The fluorinated chromone moiety may impart specific optical or electronic properties relevant to advanced material applications.
Organic Synthesis Reagent
Serves as a versatile reagent in general organic synthesis for introducing the 3-bromo-7-fluorochromone fragment into larger molecular structures.
| Molecular weight | 243.03 |
|---|---|
| Empirical formula | C9H4BrFO2 |
| Melting point | 93-98 °C |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 3-Bromo-7-fluorochromone used for?
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3-Bromo-7-fluorochromone is primarily used as a building block in chemical synthesis, particularly for the development of pharmaceutical intermediates, in medicinal chemistry research, and potentially in materials science.
What is the CAS number and formula for 3-Bromo-7-fluorochromone?
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The CAS number is 1159978-73-0 and the empirical formula is C9H4BrFO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound for research and development purposes. Purity and assay information is available on the product's specification sheet. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeial grade.
How should 3-Bromo-7-fluorochromone be handled?
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3-Bromo-7-fluorochromone is classified as harmful if swallowed (H302) and requires careful handling. It is advised to avoid contact with skin and eyes, and to use appropriate personal protective equipment in a well-ventilated area.
Is 3-Bromo-7-fluorochromone a controlled substance?
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The provided data does not indicate that 3-Bromo-7-fluorochromone is a controlled substance.
How is 3-Bromo-7-fluorochromone packaged and exported?
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3-Bromo-7-fluorochromone is carefully packaged to ensure stability during transit and is available for global export by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a quote or sample?
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To request a quote or a sample of 3-Bromo-7-fluorochromone, please contact the Tech Serve Solutions sales team via our website or direct inquiry channels.
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