5-Bromo-2-chloro-3-iodopyridine

Name: 5-Bromo-2-chloro-3-iodopyridine
Brand: ChemScene
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CAS No. 928653-73-0
Cat. No. CS-W005426
Purity≥98%
MDL No.MFCD08688585

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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5-Bromo-2-chloro-3-iodopyridine|CS-W005426

Structure of 928653-73-0

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General Information

CAS No. 928653-73-0
Cat. No. CS-W005426
Purity ≥98%
MDL No. MFCD08688585
Storage 4°C, protect from light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₅H₂BrClIN
Molecular Weight 318.34
Synonym(s) 5-BROMO-2-CHLORO-3-IODO-PYRIDINE
SMILES IC1=CC(Br)=CN=C1Cl

Description

5-Bromo-2-chloro-3-iodopyridine features a trihalogenated pyridine core with distinct halogen positions enabling selective cross-coupling reactions. The ortho-chloro and meta-bromo substituents enhance reactivity in palladium-catalyzed transformations, while the iodine moiety serves as a high-efficiency coupling handle. This compound demonstrates robust stability under standard bench conditions and integrates readily into complex molecular architectures.

Application

5-Bromo-2-chloro-3-iodopyridine serves as a versatile trihalogenated pyridine building block for transition-metal-catalyzed cross-coupling reactions. Its orthogonal halogen reactivity enables sequential functionalization at distinct positions, facilitating the construction of complex heterocyclic scaffolds. The molecule exhibits excellent bench stability and compatibility with palladium-catalyzed coupling protocols, supporting efficient access to diversified pyridine-based architectures in medicinal chemistry and materials science applications.

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS06
Signal Word : Danger	UN#: 2811
Class : 6.1	Packing Group : Ⅲ
Hazard Statements : H301-H319
Precautionary Statements : P264-P270-P330-P405-P501

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Computational Chemistry Data

TPSA 12.89
LogP 3.1021
H_Acceptors 1
H_Donors 0
Rotatable_Bonds 0

Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Key Words

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5-Bromo-2-chloro-3-iodopyridine

CAS No. 928653-73-0

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