2,4-Dibromo-5-methylpyridine

Name: 2,4-Dibromo-5-methylpyridine
Brand: ChemScene
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CAS No. 79055-50-8
Cat. No. CS-0146022
Purity≥98%
MDL No.MFCD11100634

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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+
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General Information

CAS No. 79055-50-8
Cat. No. CS-0146022
Purity ≥98%
MDL No. MFCD11100634
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₅Br₂N
Molecular Weight 250.92
Synonym(s) None
SMILES CC1=CN=C(Br)C=C1Br

Description

2,4-Dibromo-5-methylpyridine features a pyridine core substituted with bromine atoms at the 2- and 4-positions and a methyl group at the 5-position, delivering enhanced electrophilicity for cross-coupling reactions. The para-bromo and ortho-bromo sites enable selective functionalization in palladium-catalyzed transformations, while the methyl group provides steric and electronic modulation. This scaffold integrates efficiently into complex heterocyclic architectures under standard conditions.

Application

2,4-Dibromo-5-methylpyridine serves as a versatile building block in medicinal chemistry and agrochemical synthesis, enabling palladium-catalyzed cross-coupling reactions due to its well-defined halogen positions. The methyl group enhances regioselectivity in electrophilic substitution, while the dibromopyridine core provides orthogonal reactivity for sequential functionalization. Bench-stable and compatible with standard purification techniques, it facilitates efficient construction of complex heterocyclic scaffolds in multi-step syntheses.

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 2.91502
H_Acceptors 1
H_Donors 0
Rotatable_Bonds 0

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Key Words

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2,4-Dibromo-5-methylpyridine

CAS No. 79055-50-8

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