4-Chlorothieno[2,3-b]pyridine

Name: 4-Chlorothieno[2,3-b]pyridine
Brand: ChemScene
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CAS No. 62226-17-9
Cat. No. CS-0084899
Purity≥98%
MDL No.MFCD11858513

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
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Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
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4-Chlorothieno[2,3-b]pyridine|CS-0084899

Structure of 62226-17-9

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Description

4-Chlorothieno[2,3-b]pyridine features a fused thienopyridine core with a chlorine substituent at the 4-position, delivering enhanced electron-deficiency and improved stability for use in cross-coupling reactions. This heterocyclic scaffold integrates readily into bioactive molecules and functional materials, offering predictable reactivity under standard conditions.

Application

4-Chlorothieno[2,3-b]pyridine serves as a versatile heterocyclic building block in medicinal chemistry, enabling efficient construction of fused thienopyridine scaffolds. Its chlorine substituent facilitates palladium-catalyzed cross-coupling reactions, while the electron-deficient core exhibits favorable reactivity in nucleophilic substitution and C–H functionalization processes. The compound demonstrates excellent bench stability and compatibility with standard purification techniques, making it well-suited for scalable synthesis and structure-activity studies.

General Information

CAS No. 62226-17-9
Cat. No. CS-0084899
Purity ≥98%
MDL No. MFCD11858513
Storage -20°C, protect from light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₄ClNS
Molecular Weight 169.63
Synonym(s) 6-methylthieno[2,3-b]pyridin-3-amine
SMILES ClC1=C2C(SC=C2)=NC=C1

Computational Chemistry Data

TPSA 12.89
LogP 2.9497
H_Acceptors 2
H_Donors 0
Rotatable_Bonds 0

Safety Information

Download SDS

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-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Building Blocks Skeleton Aromatic heterocycle compounds Thiophene compounds

Key Words

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4-Chlorothieno[2,3-b]pyridine

CAS No. 62226-17-9

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