Lot numbers can be found on the outside label of a product:
2,2'-Bithiophene-5,5'-dicarboxaldehyde
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CAS No. 32364-72-0
- Cat. No. CS-0128022
- Purity≥96%
- MDL No.None
*For research and further manufacturing use only, not for direct human use.
Structure of 32364-72-0
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General Information
- CAS No. 32364-72-0
- Cat. No. CS-0128022
- Purity ≥96%
- MDL No. None
- Storage -20°C, sealed storage, away from moisture
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₁₀H₆O₂S₂
- Molecular Weight 222.28
- Synonym(s) 5,5'-Diformyl-2,2'-bithiophene
- SMILES O=CC1=CC=C(S1)C2=CC=C(C=O)S2
Description
2,2'-Bithiophene-5,5'-dicarboxaldehyde features two electron-rich thiophene rings linked by a direct bond, bearing aldehyde groups at the 5-positions. This planar, conjugated scaffold enables efficient π-extension in organic semiconductors and facilitates coupling reactions for functionalized materials in optoelectronic applications.
Application
2,2'-Bithiophene-5,5'-dicarboxaldehyde serves as a versatile building block for conjugated materials, enabling efficient synthesis of π-extended heterocycles via condensation and coupling reactions. Its dual aldehyde functionality offers high reactivity in imine formation, Staudinger ligation, and transition-metal-catalyzed cross-couplings, facilitating the construction of functionalized oligothiophenes and donor-acceptor architectures. Bench-stable and readily purified by recrystallization, it supports scalable access to advanced electronic materials.
Synthesis
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Route1
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In-stock
4805-22-5 -
68-12-2 - ~76%
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In-stock
32364-72-0
References
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UNIVERSITE LAVAL Patent: WO2005/16882 A1, 2005 ; Location in patent: Page/Page column 29 ;
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Route2
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In-stock
4701-17-1 - ~85%
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In-stock
32364-72-0
References
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Wei, Yen; Wang, Bin; Wang, Wei; Tian, Jing Tetrahedron Letters, 1995 , vol. 36, # 5 p. 665 - 668
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References
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Hassan, Jwanro; Lavenot, Laurence; Gozzi, Christel; Lemaire, Marc Tetrahedron Letters, 1999 , vol. 40, # 5 p. 857 - 858
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07
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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 : H315-H319
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Precautionary Statements : P264-P280-P302+P352-P362
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Quality Control
Computational Chemistry Data
- TPSA 34.14
- LogP 3.1016
- H_Acceptors 4
- H_Donors 0
- Rotatable_Bonds 3
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Key Words
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