Lot numbers can be found on the outside label of a product:
5-Bromobenzofuran
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CAS No. 23145-07-5
- Cat. No. CS-W003038
- Purity≥97%
- MDL No.MFCD03407317
*For research and further manufacturing use only, not for direct human use.
Structure of 23145-07-5
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General Information
- CAS No. 23145-07-5
- Cat. No. CS-W003038
- Purity ≥97%
- MDL No. MFCD03407317
- Storage Store at room temperature
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₈H₅BrO
- Molecular Weight 197.03
- Synonym(s) 5-Bromo-benzofuran
- SMILES Brc1ccc2c(c1)cco2
Description
5-Bromobenzofuran is a brominated heterocyclic compound featuring a benzofuran core with a bromine substituent at the 5-position. This electron-deficient aryl halide integrates readily into cross-coupling reactions, enabling efficient synthesis of complex biaryl architectures. The molecule exhibits enhanced stability under standard reaction conditions and facilitates direct functionalization in medicinal chemistry and materials science applications.
Application
5-Bromobenzofuran serves as a versatile building block in cross-coupling chemistry, enabling efficient construction of biaryl and heteroaryl scaffolds. Its bromine substituent facilitates palladium-catalyzed reactions such as Suzuki, Stille, and Negishi couplings with high functional group tolerance. The benzofuran core provides structural rigidity and electronic properties beneficial for medicinal chemistry applications. This compound exhibits excellent bench stability and is readily purified by standard chromatographic methods, making it well-suited for scalable synthesis and process development.
Synthesis
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Route1
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112598-18-2 - ~85%
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In-stock
23145-07-5
References
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Schering Corporation Patent: US2004/106794 A1, 2004 ; Location in patent: Page 123 ; US 20040106794 A1
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Route2
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129969-69-3 - ~25%
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In-stock
23145-07-5
References
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GLAXOSMITHKLINE LLC; CHAUDHARI, Amita, M.; HALLMAN, Jason; LAUDEMAN, Christopher, P.; MUSSO, David, Lee; PARRISH, Cynthia, A. Patent: WO2011/66211 A1, 2011 ; Location in patent: Page/Page column 52 ; WO 2011/066211 A1
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Route3
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In-stock
24589-89-7 -
108-24-7 - ~38%
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In-stock
23145-07-5
References
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APPLIED RESEARCH SYSTEMS ARS HOLDING N.V. Patent: WO2004/7491 A1, 2004 ; Location in patent: Page 51-52 ;
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07,GHS08
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335-H351
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362-P405-P501
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Quality Control
Computational Chemistry Data
- TPSA 13.14
- LogP 3.1953
- H_Acceptors 1
- H_Donors 0
- Rotatable_Bonds 0
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