Lot numbers can be found on the outside label of a product:
Thieno[3,2-c]pyridine-2-carbaldehyde
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CAS No. 94226-19-4
- Cat. No. CS-0060710
- Purity≥98%
- MDL No.None
*For research and further manufacturing use only, not for direct human use.
![Thieno[3,2-c]pyridine-2-carbaldehyde|CS-0060710](https://file.chemscene.com/productPIC/CS-0060710.gif)
Structure of 94226-19-4
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General Information
- CAS No. 94226-19-4
- Cat. No. CS-0060710
- Purity ≥98%
- MDL No. None
- Storage -20°C, sealed storage, away from moisture
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₈H₅NOS
- Molecular Weight 163.20
- Synonym(s) Thieno[3,2-c]pyridine-2-carboxaldehyde (9CI)
- SMILES C1=CN=CC2=C1SC(=C2)C=O
Description
Thieno[3,2-c]pyridine-2-carbaldehyde features a fused heterocyclic core combining thiophene and pyridine units, delivering enhanced electron deficiency. The aldehyde functionality at the 2-position enables direct incorporation into Buchwald-Hartwig couplings, Staudinger reductions, and imine-based conjugation strategies. This scaffold exhibits high thermal stability and solubility in common organic solvents, making it ideal for synthetic intermediates in pharmaceutical and materials chemistry applications.
Application
Thieno[3,2-c]pyridine-2-carbaldehyde serves as a versatile heterocyclic building block for medicinal chemistry and materials science. The aldehyde functionality enables direct incorporation into Suzuki-Miyaura couplings, Ugi-type multicomponent reactions, and reductive amination workflows. Its fused thienopyridine core provides enhanced planarity and electron-deficient character, facilitating π–π stacking interactions in target-directed synthesis. Bench-stable and compatible with standard purification methods, it functions reliably in multi-step synthetic sequences requiring functional group tolerance and structural rigidity.
Synthesis
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Route1
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In-stock
![Thieno[3,2-c]pyridine|CS-D0447](https://file.chemscene.com/productPIC/CS-D0447.gif)
272-14-0 -
68-12-2 - ~42%
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In-stock
94226-19-4
References
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AFFINIUM PHARMACEUTICALS, INC. Patent: WO2004/52890 A1, 2004 ; Location in patent: Page 90-91 ; WO 2004/052890 A1
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Route2
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In-stock
272-14-0
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109-94-4
- ~80%
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In-stock
94226-19-4
References
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Lu, Zhijian; Bohn, Joann; Rano, Tom; Rutkowski, Carrie A.; Simcoe, Amy L.; Olsen, David B.; Schleif, William A.; Carella, Anthony; Gabryelski, Lori; Jin, Lixia; Lin, Jiunn H.; Emini, Emilio; Chapman, Kevin; Tata, James R. Bioorganic and Medicinal Chemistry Letters, 2005 , vol. 15, # 23 p. 5311 - 5314
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Route3
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In-stock
272-14-0
- ~%
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In-stock
94226-19-4
References
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Eli Lilly and Company Patent: US4480098 A1, 1984 ;
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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 : H302-H312-H332
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P363-P501
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Quality Control
Computational Chemistry Data
- TPSA 29.96
- LogP 2.1088
- H_Acceptors 3
- H_Donors 0
- Rotatable_Bonds 1
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Key Words
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