6-Bromo-2-methylpyridazin-3(2H)-one

Name: 6-Bromo-2-methylpyridazin-3(2H)-one
Brand: ChemScene
Availability: InStock
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CAS No. 1123169-25-4
Cat. No. CS-0035801
Purity≥98%
MDL No.MFCD12198437

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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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6-Bromo-2-methylpyridazin-3(2H)-one|CS-0035801

Structure of 1123169-25-4

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Description

6-Bromo-2-methylpyridazin-3(2H)-one features a brominated pyridazinone core with a methyl group at the 2-position, offering a sterically accessible site for cross-coupling and functionalization. This bench-stable heterocycle integrates readily into medicinal chemistry campaigns, serving as a building block for bioactive molecules requiring electron-deficient aromatic systems.

Application

6-Bromo-2-methylpyridazin-3(2H)-one serves as a versatile heterocyclic building block for medicinal chemistry and process development. Its bromine substituent enables palladium-catalyzed cross-coupling reactions, while the pyridazinone core offers hydrogen-bonding capacity and metabolic stability. The 2-methyl group enhances solubility and modulates electronic properties. This compound exhibits excellent bench stability, facilitates straightforward purification, and functions reliably in standard coupling and functionalization workflows.

General Information

CAS No. 1123169-25-4
Cat. No. CS-0035801
Purity ≥98%
MDL No. MFCD12198437
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₅H₅BrN₂O
Molecular Weight 189.01
Synonym(s) 6-bromo-2-methylpyridazin-3-one
SMILES CN1C(=O)C=CC(=N1)Br

Computational Chemistry Data

TPSA 34.89
LogP 0.5428
H_Acceptors 3
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-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Pyridazine compounds

Key Words

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6-Bromo-2-methylpyridazin-3(2H)-one

CAS No. 1123169-25-4

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