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Atomfair 3,5-Dibromobenzo[b]furan C8H4Br2O CAS 99660-97-6

3,5-Dibromobenzo[b]furan (CAS No. 99660-97-6) is a high-purity halogenated benzofuran derivative with the molecular formula C8H4Br2O . This compound, also known by its IUPAC name 3,5-dibromo-1-benzofuran , is a valuable building block in organic synthesis and pharmaceutical research. Its unique structure, featuring two bromine atoms at the 3 and 5 positions of the benzofuran ring, makes it an ideal intermediate for cross-coupling reactions, such as Suzuki-Miyaura or Buchwald-Hartwig couplings. Our product is rigorously tested to ensure ≥98% purity (HPLC/GC) and is supplied as a crystalline solid with detailed analytical data (NMR, MS). Suitable for use in medicinal chemistry, materials science, and…

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Description

3,5-Dibromobenzo[b]furan (CAS No. 99660-97-6) is a high-purity halogenated benzofuran derivative with the molecular formula C8H4Br2O. This compound, also known by its IUPAC name 3,5-dibromo-1-benzofuran, is a valuable building block in organic synthesis and pharmaceutical research. Its unique structure, featuring two bromine atoms at the 3 and 5 positions of the benzofuran ring, makes it an ideal intermediate for cross-coupling reactions, such as Suzuki-Miyaura or Buchwald-Hartwig couplings. Our product is rigorously tested to ensure ≥98% purity (HPLC/GC) and is supplied as a crystalline solid with detailed analytical data (NMR, MS). Suitable for use in medicinal chemistry, materials science, and as a ligand precursor, this compound is packaged under inert conditions to guarantee stability and longevity.

Properties

  • CAS Number: 99660-97-6
  • Complexity: 151
  • IUPAC Name: 3,5-dibromobenzofuran
  • InChI: InChI=1S/C8H4Br2O/c9-5-1-2-8-6(3-5)7(10)4-11-8/h1-4H
  • InChI Key: FWNOZAIGDLGBGI-UHFFFAOYSA-N
  • Exact Mass: 275.86084
  • Molecular Formula: C8H4Br2O
  • Molecular Weight: 275.92
  • SMILES: C1=CC2=C(C=C1Br)C(=CO2)Br
  • Topological: 13.1
  • Monoisotopic Mass: 273.86289
  • Synonyms: 3,5-Dibromobenzo[b]furan, 3,5-Dibromobenzo(b)furan, 640-956-1, 3,5-dibromo-1-benzofuran, 99660-97-6, 3,5-dibromobenzofuran, MFCD06659085, SCHEMBL28006934, FWNOZAIGDLGBGI-UHFFFAOYSA-, DTXSID70383791, SBB054555, XH0962, AKOS015835702, PS-7251, DB-004943, CS-0206700, ST50949816, G73554, EN300-6775235, InChI=1/C8H4Br2O/c9-5-1-2-8-6(3-5)7(10)4-11-8/h1-4H

Application

3,5-Dibromobenzo[b]furan is widely used as a key intermediate in the synthesis of pharmaceuticals, agrochemicals, and functional materials. Its brominated aromatic structure enables efficient palladium-catalyzed coupling reactions to construct complex heterocyclic systems. Researchers employ this compound in the development of bioactive molecules, particularly in kinase inhibitor and antiviral drug discovery. Additionally, it serves as a precursor for luminescent materials and organic electronic components due to its conjugated benzofuran core.

Safety and Hazards

GHS Hazard Statements

  • H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H332 (50%): Harmful if inhaled [Warning Acute toxicity, inhalation]
  • H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

  • Acute Tox. 4 (100%)
  • Skin Irrit. 2 (100%)
  • Eye Irrit. 2A (100%)
  • STOT SE 3 (100%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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