3-Bromo-5-chloro-2-iodopyridine

Name: 3-Bromo-5-chloro-2-iodopyridine
Brand: ChemScene
Availability: InStock
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CAS No. 823221-97-2
Cat. No. CS-0041022
Purity≥97%
MDL No.MFCD11847354

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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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3-Bromo-5-chloro-2-iodopyridine|CS-0041022

Structure of 823221-97-2

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General Information

CAS No. 823221-97-2
Cat. No. CS-0041022
Purity ≥97%
MDL No. MFCD11847354
Storage 4°C, protect from light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₅H₂BrClIN
Molecular Weight 318.34
Synonym(s) Pyridine,3-bromo-5-chloro-2-iodo
SMILES IC1=NC=C(Cl)C=C1Br

Description

3-Bromo-5-chloro-2-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 late-stage diversification. This compound serves as a modular building block for complex heterocyclic scaffolds in medicinal chemistry and materials science.

Application

3-Bromo-5-chloro-2-iodopyridine serves as a versatile trihalogenated pyridine building block for palladium-catalyzed cross-coupling reactions. The orthogonal reactivity of bromo, chloro, and iodo substituents enables sequential functionalization in late-stage diversification. Its bench-stable solid form and compatibility with standard coupling conditions facilitate efficient synthesis of complex heterocyclic scaffolds relevant to medicinal chemistry and agrochemical development.

Synthesis

Route1
- In-stock
  
  26163-03-1
- ~%
- In-stock
  
  823221-97-2
References
- Cottet, Fabrice; Schlosser, Manfred Tetrahedron, 2004 , vol. 60, # 51 p. 11869 - 11874
Route2
- In-stock
  
  137628-17-2
- ~%
- In-stock
  
  73583-39-8
- In-stock
  
  823221-97-2
References
- Cottet, Fabrice; Schlosser, Manfred Tetrahedron, 2004 , vol. 60, # 51 p. 11869 - 11874

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

Quality Control

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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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3-Bromo-5-chloro-2-iodopyridine

CAS No. 823221-97-2

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