5-Bromo-4-chloropyridin-2(1H)-one

Name: 5-Bromo-4-chloropyridin-2(1H)-one
Brand: ChemScene
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CAS No. 1381937-58-1
Cat. No. CS-0492558
Molecule weight208.44
Purity≥95%
MDL No.None

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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-4-chloropyridin-2(1H)-one|CS-0492558

Structure of 1381937-58-1

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General Information

CAS No. 1381937-58-1
Cat. No. CS-0492558
Purity ≥95%
MDL No. None
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₅H₃BrClNO
Molecular Weight 208.44
Synonym(s) 5-bromo-4-chloro-2(1H)-Pyridinone
SMILES O=C1C=C(Cl)C(Br)=CN1

Description

5-Bromo-4-chloropyridin-2(1H)-one features a fused heterocyclic core with complementary halogen substituents enabling selective cross-coupling and derivatization. This bench-stable, moisture-tolerant scaffold integrates readily into pharmaceutical intermediates and functional materials via palladium-catalyzed transformations.

Application

5-Bromo-4-chloropyridin-2(1H)-one serves as a versatile building block in heterocyclic synthesis, enabling palladium-catalyzed cross-coupling reactions at the bromo position while retaining reactivity at the chloro site for sequential functionalization. Its stability under standard bench conditions and compatibility with diverse nucleophiles make it ideal for constructing complex pyridone-based scaffolds relevant to medicinal chemistry and agrochemical development.

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-H312-H315-H319-H332-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362-P405-P501

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Computational Chemistry Data

TPSA 32.86
LogP 1.7908
H_Acceptors 1
H_Donors 1
Rotatable_Bonds 0

Other Classifications

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Key Words

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5-Bromo-4-chloropyridin-2(1H)-one

CAS No. 1381937-58-1

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