2-Bromo-5-chloropyridine-4-carboxylic acid

Name: 2-Bromo-5-chloropyridine-4-carboxylic acid
Brand: ChemScene
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CAS No. 530156-90-2
Cat. No. CS-D0157
Purity≥97%
MDL No.MFCD13181649

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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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2-Bromo-5-chloropyridine-4-carboxylic acid|CS-D0157

Structure of 530156-90-2

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General Information

CAS No. 530156-90-2
Cat. No. CS-D0157
Purity ≥97%
MDL No. MFCD13181649
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₃BrClNO₂
Molecular Weight 236.45
Synonym(s) 2-Bromo-5-chloroisonicotinic acid
SMILES O=C(C1=CC(Br)=NC=C1Cl)O

Description

2-Bromo-5-chloropyridine-4-carboxylic acid features a pyridine core functionalized with bromo, chloro, and carboxylic acid groups at the 2, 5, and 4 positions respectively. This tri-substituted heterocycle combines halogen reactivity with an acidic handle, enabling direct coupling or derivatization in cross-coupling reactions and medicinal chemistry workflows. The electron-deficient aromatic system enhances regioselectivity in palladium-catalyzed transformations.

Application

2-Bromo-5-chloropyridine-4-carboxylic acid serves as a versatile building block for the synthesis of substituted pyridine derivatives, enabling efficient functionalization via cross-coupling reactions. Its orthogonal halogenation pattern facilitates selective transformations at the bromo or chloro positions, while the carboxylic acid group supports direct derivatization or incorporation into heterocyclic scaffolds. The compound exhibits good bench stability and compatibility with standard reaction conditions, making it well-suited for medicinal chemistry and process development workflows.

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 50.19
LogP 2.1957
H_Acceptors 2
H_Donors 1
Rotatable_Bonds 1

Other Classifications

Building Blocks Functional Group Carboxylic Acid

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Key Words

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2-Bromo-5-chloropyridine-4-carboxylic acid

CAS No. 530156-90-2

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