4-Bromo-5-chloro-2-methylpyridine

Name: 4-Bromo-5-chloro-2-methylpyridine
Brand: ChemScene
Availability: InStock
Rating: 5 (1 reviews)

CAS No. 1211529-34-8
Cat. No. CS-0050982
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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4-Bromo-5-chloro-2-methylpyridine|CS-0050982

Structure of 1211529-34-8

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Description

4-Bromo-5-chloro-2-methylpyridine features a sterically accessible pyridine core bearing bromo and chloro substituents at adjacent positions, enabling efficient cross-coupling transformations. The methyl group enhances regioselectivity in electrophilic substitution reactions. This bench-stable, moisture-tolerant heterocycle serves as a key building block for pharmaceutical intermediates and functional materials.

Application

4-Bromo-5-chloro-2-methylpyridine serves as a versatile building block in medicinal chemistry and agrochemical synthesis, enabling palladium-catalyzed cross-coupling reactions due to its complementary halogenation pattern. The methyl group enhances regioselectivity in electrophilic substitution, while the bromo and chloro functionalities offer orthogonal reactivity for sequential functionalization. Bench-stable and readily purified by column chromatography, it facilitates efficient access to complex heterocyclic scaffolds relevant to drug discovery programs.

General Information

CAS No. 1211529-34-8
Cat. No. CS-0050982
Purity ≥95%
MDL No. None
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₅BrClN
Molecular Weight 206.47
Synonym(s) None
SMILES CC1=NC=C(Cl)C(Br)=C1

Computational Chemistry Data

TPSA 12.89
LogP 2.80592
H_Acceptors 1
H_Donors 0
Rotatable_Bonds 0

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-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362+P364-P405-P501

Quality Control

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Other Classifications

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Key Words

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4-Bromo-5-chloro-2-methylpyridine

CAS No. 1211529-34-8

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