4-Bromo-5-chloro-2-fluoropyridine

Name: 4-Bromo-5-chloro-2-fluoropyridine
Brand: ChemScene
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CAS No. 1211580-71-0
Cat. No. CS-0079955
Purity≥96%
MDL No.MFCD16606308

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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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4-Bromo-5-chloro-2-fluoropyridine|CS-0079955

Structure of 1211580-71-0

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General Information

CAS No. 1211580-71-0
Cat. No. CS-0079955
Purity ≥96%
MDL No. MFCD16606308
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₅H₂BrClFN
Molecular Weight None
Synonym(s) 4-Bromo-5-chloro-2-fluoro-pyridine
SMILES ClC1=CN=C(F)C=C1Br

Description

4-Bromo-5-chloro-2-fluoropyridine is a halogenated pyridine derivative featuring strategically positioned bromo, chloro, and fluoro substituents. This electron-deficient heterocycle enables direct functionalization in cross-coupling reactions and serves as a key building block for pharmaceutical intermediates and agrochemicals.

Application

4-Bromo-5-chloro-2-fluoropyridine serves as a versatile building block in medicinal chemistry, enabling palladium-catalyzed cross-coupling reactions due to its orthogonal halogen reactivity. The strategically positioned bromo, chloro, and fluoro substituents allow for sequential functionalization under controlled conditions, facilitating the construction of complex heterocyclic scaffolds. Its bench-stable nature and compatibility with standard reaction protocols make it ideal for iterative synthesis workflows in API development.

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

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Computational Chemistry Data

TPSA 12.89
LogP 2.6366
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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4-Bromo-5-chloro-2-fluoropyridine

CAS No. 1211580-71-0

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