3-Bromo-5-chloro-2-methylpyridine

Name: 3-Bromo-5-chloro-2-methylpyridine
Brand: ChemScene
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CAS No. 131036-39-0
Cat. No. CS-0054404
Purity≥98%
MDL No.MFCD12911787

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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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3-Bromo-5-chloro-2-methylpyridine|CS-0054404

Structure of 131036-39-0

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General Information

CAS No. 131036-39-0
Cat. No. CS-0054404
Purity ≥98%
MDL No. MFCD12911787
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₅BrClN
Molecular Weight 206.47
Synonym(s) 3-Bromo-5-Chloro-2-Picoline
SMILES CC1=NC=C(Cl)C=C1Br

Description

3-Bromo-5-chloro-2-methylpyridine features a halogenated pyridine core with strategically positioned bromo and chloro substituents flanking a methyl group. This electron-deficient heterocycle enables direct functionalization in cross-coupling reactions, serving as a robust scaffold for medicinal chemistry and materials synthesis under standard conditions.

Application

3-Bromo-5-chloro-2-methylpyridine serves as a versatile building block in medicinal chemistry and heterocyclic synthesis, enabling palladium-catalyzed cross-coupling reactions due to its complementary halogenation pattern. The methyl group at C2 enhances electrophilic reactivity, while the ortho-bromine and meta-chlorine substituents provide orthogonal functionalization sites. Its bench-stable nature and compatibility with standard reaction conditions facilitate efficient diversification of pyridyl scaffolds in API 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-H320-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362+P364-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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3-Bromo-5-chloro-2-methylpyridine

CAS No. 131036-39-0

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