Thieno[2,3-b]pyridine-5-carboxylic acid

Name: Thieno[2,3-b]pyridine-5-carboxylic acid
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CAS No. 117390-38-2
Cat. No. CS-0047853
Purity≥98%
MDL No.None

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Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
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Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
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Thieno[2,3-b]pyridine-5-carboxylic acid|CS-0047853

Structure of 117390-38-2

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General Information

CAS No. 117390-38-2
Cat. No. CS-0047853
Purity ≥98%
MDL No. None
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₈H₅NO₂S
Molecular Weight 179.20
Synonym(s) None
SMILES OC(=O)C1=CC2=C(SC=C2)N=C1

Description

Thieno[2,3-b]pyridine-5-carboxylic acid features a fused heterocyclic core combining thiophene and pyridine units, delivering enhanced electron-deficient character. The carboxylic acid group enables direct conjugation or derivatization in synthetic routes. This scaffold exhibits favorable solubility and stability under standard conditions, making it suitable for applications in organic electronics, pharmaceutical intermediates, and ligand design.

Application

Thieno[2,3-b]pyridine-5-carboxylic acid serves as a versatile heterocyclic building block for medicinal chemistry and materials science. Its carboxylic acid functionality enables direct amidation, esterification, and metal complexation, while the fused thienopyridine core provides planarity and electron-rich character beneficial for π-stacking and charge transport. The scaffold exhibits good bench stability and compatibility with standard coupling reactions, facilitating integration into complex molecular architectures.

Safety Information

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GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P280-P302+P352

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Computational Chemistry Data

TPSA 50.19
LogP 1.9945
H_Acceptors 3
H_Donors 1
Rotatable_Bonds 1

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Building Blocks Skeleton Aromatic heterocycle compounds Thiophene compounds

Key Words

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Thieno[2,3-b]pyridine-5-carboxylic acid

CAS No. 117390-38-2

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