2-Bromo-4-chloro-5-nitropyridine

Name: 2-Bromo-4-chloro-5-nitropyridine
Brand: ChemScene
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CAS No. 1137475-57-0
Cat. No. CS-0102453
Purity≥96%
MDL No.MFCD17014975

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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-4-chloro-5-nitropyridine|CS-0102453

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General Information

CAS No. 1137475-57-0
Cat. No. CS-0102453
Purity ≥96%
MDL No. MFCD17014975
Storage -20°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₅H₂BrClN₂O₂
Molecular Weight 237.44
Synonym(s) 2-bromo-4-chloro-5-nitro-pyridine
SMILES O=[N+](C1=CN=C(Br)C=C1Cl)[O-]

Description

2-Bromo-4-chloro-5-nitropyridine features a tri-functional pyridine core with distinct halogen and nitro substituents, enabling selective cross-coupling and functionalization. The electron-deficient ring facilitates palladium-catalyzed reactions, while the bromo and chloro groups offer orthogonal reactivity for sequential transformations. This compound serves as a key intermediate in medicinal chemistry and agrochemical synthesis, where precise molecular editing is essential.

Application

2-Bromo-4-chloro-5-nitropyridine serves as a versatile building block for the synthesis of functionalized pyridine derivatives. Its orthogonal halogenation pattern enables sequential cross-coupling reactions, facilitating the construction of complex heterocyclic scaffolds. The nitro group provides a handle for reduction and subsequent derivatization, while the molecule exhibits good bench stability and ease of purification, making it suitable for iterative synthetic workflows in medicinal chemistry and process 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 : H315-H319-H335
Precautionary Statements : P261-P264-P271-P280-P302+P352-P304+P340-P362+P364-P405-P501

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Computational Chemistry Data

TPSA 56.03
LogP 2.4057
H_Acceptors 3
H_Donors 0
Rotatable_Bonds 1

Other Classifications

Building Blocks Functional Group Nitro compounds

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Key Words

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2-Bromo-4-chloro-5-nitropyridine

CAS No. 1137475-57-0

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