2-Bromo-5-chloro-3-methylpyridine

Name: 2-Bromo-5-chloro-3-methylpyridine
Brand: ChemScene
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CAS No. 65550-77-8
Cat. No. CS-W003018
Purity≥98%
MDL No.MFCD03095062

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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-chloro-3-methylpyridine|CS-W003018

Structure of 65550-77-8

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General Information

CAS No. 65550-77-8
Cat. No. CS-W003018
Purity ≥98%
MDL No. MFCD03095062
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₅BrClN
Molecular Weight 206.47
Synonym(s) pyridine, 2-bromo-5-chloro-3-methyl-
SMILES Clc1cnc(c(c1)C)Br

Description

2-Bromo-5-chloro-3-methylpyridine features a sterically accessible pyridine core bearing strategically positioned halogen and methyl groups, enabling direct functionalization in cross-coupling reactions. The electron-deficient ring facilitates palladium-catalyzed transformations, while the ortho-halogen arrangement supports selective derivatization. This bench-stable reagent integrates efficiently into complex heterocyclic synthesis workflows.

Application

2-Bromo-5-chloro-3-methylpyridine serves as a versatile building block in heterocyclic synthesis, enabling palladium-catalyzed cross-coupling reactions due to its orthogonal halogen reactivity. The bromine site undergoes efficient Suzuki, Stille, or Negishi coupling, while the chlorine remains inert under standard conditions, facilitating sequential functionalization. Bench-stable and readily purified by distillation, it supports scalable synthesis of substituted pyridines relevant to agrochemicals and pharmaceutical intermediates.

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 2.80592
H_Acceptors 1
H_Donors 0
Rotatable_Bonds 0

Other Classifications

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Key Words

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2-Bromo-5-chloro-3-methylpyridine

CAS No. 65550-77-8

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