5-Bromo-2-chloro-4-iodopyridine

Name: 5-Bromo-2-chloro-4-iodopyridine
Brand: ChemScene
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CAS No. 401892-47-5
Cat. No. CS-0135792
Purity≥97%
MDL No.MFCD09972189

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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-4-iodopyridine|CS-0135792

Structure of 401892-47-5

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General Information

CAS No. 401892-47-5
Cat. No. CS-0135792
Purity ≥97%
MDL No. MFCD09972189
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-4-iodo-2-chloropyridine
SMILES IC1=CC(Cl)=NC=C1Br

Description

5-Bromo-2-chloro-4-iodopyridine features a trihalogenated pyridine core with distinct halogen positions enabling selective cross-coupling reactions. The strategic placement of bromo, chloro, and iodo substituents supports sequential functionalization in transition-metal-catalyzed processes. This molecule delivers high reactivity and orthogonal handle compatibility for complex heterocyclic synthesis under standard conditions.

Application

5-Bromo-2-chloro-4-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, making it ideal for iterative synthesis in medicinal chemistry and agrochemical research.

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-P280-P302+P352

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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-4-iodopyridine

CAS No. 401892-47-5

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