2-Bromo-4,5-difluoropyridine

Name: 2-Bromo-4,5-difluoropyridine
Brand: ChemScene
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CAS No. 1033203-43-8
Cat. No. CS-0445329
Purity≥96%
MDL No.MFCD11100657

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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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General Information

CAS No. 1033203-43-8
Cat. No. CS-0445329
Purity ≥96%
MDL No. MFCD11100657
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₅H₂BrF₂N
Molecular Weight 193.98
Synonym(s) None
SMILES C1=C(C(=CN=C1Br)F)F

Description

2-Bromo-4,5-difluoropyridine features a trifunctional pyridine core with bromo and two fluoro substituents positioned for selective cross-coupling. This electron-deficient heterocycle enables efficient palladium-catalyzed reactions, integrating seamlessly into complex molecular architectures. The strategic substitution pattern enhances reactivity while maintaining stability under standard conditions.

Application

2-Bromo-4,5-difluoropyridine serves as a versatile building block in medicinal chemistry and materials science, enabling palladium-catalyzed cross-coupling reactions due to its orthogonal halogen reactivity. The bromine center facilitates selective C–C bond formation, while the fluorine substituents enhance metabolic stability and modulate electronic properties. Its bench-stable nature and compatibility with standard reaction conditions make it ideal for constructing complex heterocyclic scaffolds in API development and functional molecular design.

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

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Computational Chemistry Data

TPSA 12.89
LogP 2.1223
H_Acceptors 1
H_Donors 0
Rotatable_Bonds 0

Other Classifications

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Key Words

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2-Bromo-4,5-difluoropyridine

CAS No. 1033203-43-8

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