5-Chloro-3H-imidazo[4,5-b]pyridine

Name: 5-Chloro-3H-imidazo[4,5-b]pyridine
Brand: ChemScene
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CAS No. 52090-89-8
Cat. No. CS-W004488
Purity≥98%
MDL No.MFCD01646134

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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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5-Chloro-3H-imidazo[4,5-b]pyridine|CS-W004488

Structure of 52090-89-8

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Description

5-Chloro-3H-imidazo[4,5-b]pyridine is a bench-stable heterocyclic scaffold featuring a chlorinated imidazopyridine core. This electron-deficient system integrates readily into medicinal chemistry campaigns, serving as a key building block for kinase inhibitors and bioactive small molecules. The chlorine substituent enables site-specific functionalization via cross-coupling reactions.

Application

5-Chloro-3H-imidazo[4,5-b]pyridine serves as a versatile heterocyclic building block in medicinal chemistry, enabling direct functionalization at the C5 position via palladium-catalyzed cross-coupling reactions. Its stable, electron-deficient core exhibits excellent compatibility with diverse reaction conditions and facilitates the construction of complex imidazopyridine scaffolds found in kinase inhibitors and other bioactive molecules. The chloro substituent provides a reliable handle for further derivatization, while the compound demonstrates robust bench stability and ease of purification.

General Information

CAS No. 52090-89-8
Cat. No. CS-W004488
Purity ≥98%
MDL No. MFCD01646134
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₄ClN₃
Molecular Weight None
Synonym(s) 5-chloro-1H-imidazo[4,5-b]pyridine
SMILES ClC1=CC=C2C(NC=N2)=N1

Computational Chemistry Data

TPSA 41.57
LogP 1.6113
H_Acceptors 2
H_Donors 1
Rotatable_Bonds 0

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

Quality Control

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Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Imidazole compounds

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Key Words

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5-Chloro-3H-imidazo[4,5-b]pyridine

CAS No. 52090-89-8

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